Custom Gate Installation in Lewis & Thurston County
Automatic Gate Installation in Chehalis, WA. Built for Security, Convenience & the Long Haul.
A gate system that works every day, in every kind of PNW weather.
If you need automatic gate installation in Chehalis, WA, you want a system that opens consistently, holds up through wet winters, and doesn’t require constant adjustment. Not something that looks good in a catalog. Something that works on your actual driveway.
PNW Fence & Gate | 132 Pier Rd, Chehalis, WA 98532 | (360) 996-4250 installs automatic gate systems for driveways and properties throughout Lewis and Thurston County. Here, the soil stays saturated through winter, driveway grades vary, and freeze conditions stress posts and hardware year after year. We use LiftMaster gate operators, sourced locally and sized for the actual gate weight, driveway grade, and cycle demands of each property. LiftMaster offers residential and commercial warranties, which we pass through to you at project close.
We work locally in the Pacific Northwest. Our approach accounts for conditions that off-the-shelf gate kits and out-of-area installers routinely overlook, including post depth, motor torque ratings for sloped approaches, and drainage around track footings.
What an Automatic Gate Offers Property Owners Here
- Controlled access and security that works without requiring someone to be home
- A gate that stays straight for years when posts are set correctly for wet soil and seasonal movement
- Routine maintenance only, even through Lewis County’s 150+ annual rainfall days and seasonal freeze conditions
- Practical value, whether you’re securing a residential driveway, a rural acreage entry, or a commercial lot, without the daily friction of getting out to open a gate by hand
Popular Automatic Gate Systems & Configurations
Automatic gates are configured by drive mechanism, entry method, and driveway layout. Across Chehalis and surrounding Lewis County properties, these are the most common driveway and property setups.
Swing Gate Systems
RESIDENTIAL DRIVEWAYS, FLAT TO MODERATE GRADES
Single or dual leaf, the swing gate is the most common automatic gate configuration for homes in Lewis and Thurston County. The motor mounts at the hinge post and drives the gate through an arc.
Typical uses: Residential driveways with clearance space | Gated entries on flat or gently sloped lots | Cedar or ornamental iron gate panels
Slide Gate Systems
SLOPED DRIVEWAYS, TIGHT SIDE CLEARANCES, COMMERCIAL ENTRIES
A slide gate rolls laterally on a concrete track. It is the right call when driveway grade or tight clearance rules out a swing, particularly on hillside properties and rural lots across Lewis County.
Typical uses: Sloped or hillside driveways | Commercial lots with high vehicle clearance needs | Properties where swing clearance isn’t available
Barrier Arm & Boom Systems
COMMERCIAL LOTS, MULTI-UNIT PROPERTIES, HIGH-TRAFFIC VEHICLE CONTROL
A barrier arm raises and lowers vertically. It is a fast-cycle system common at commercial properties, multi-unit rentals, and facilities near the JBLM/Lakewood corridor.
Typical uses: Commercial parking entries | Multi-unit residential access | High-frequency vehicle control points
Functional Options & Add-Ons
Gate Operators (Residential & Commercial)
- Industrial gates
- Heavy-duty gates
- Barrier gates (solar pair with solar panel available)
- Slide gates
- Specialty gates
LiftMaster is our gate operator supplier. Residential systems carry a 3-year warranty, and commercial systems carry a 9-year warranty.
Access Control
- Keypad access
- Wireless
- Card reader
- Remote access
- Storage unit access control
Hardware
- Sealed ball bearing hinges (no greasing, no maintenance)
- Key fob access
- Safety entrapment eyes
- Magnetic locks
- Automatic exit loops
- Battery backup for power failure
From Configuration to Installation
Once gate type and access method are selected, long-term performance depends on how the system is built. Post depth, motor torque rating, and footing drainage determine whether an automatic gate stays aligned and functional over time.
Automatic Gate Materials & Construction Standards
In Western Washington, most automatic gate failures start below grade, at posts, footings, and hardware connections that aren’t visible once the system is complete. Getting these right is the only point in the project when getting them right is still possible.
Gate Posts & Structural Footings
An automatic gate is only as good as its posts. The hinge post carries the full weight and cycle stress of the gate. A post that shifts even slightly will cause misalignment that the motor can’t compensate for.
Post types:
- Hinge posts: must be oversized and set deep to carry gate weight and cycle stress
- Latch posts: must be plumb and stable to maintain consistent gate closure
On residential properties in Chehalis, posts are set to 48 inches minimum, well below the frost line, to prevent seasonal heave in the clay-heavy soils common near the Chehalis River valley.
Key stability factors:
- Post diameter matched to gate weight and width
- High-PSI concrete footings with drainage pitch
- Footings set below the frost line, not just to standard depth
Motor Type & Torque Rating
The motor drives every open/close cycle your gate makes. Undersized motors are a common cause of early automatic gate failure.
Motor selection depends on:
- Gate weight: heavier panels (steel, ornamental iron) require higher torque ratings
- Driveway grade: a swing gate on a 5%+ slope requires a motor rated for grade-load
- Cycle frequency: commercial and high-use gates need commercial-grade motors, not residential
We use premium gate operators, sized to the actual gate weight, driveway grade, and cycle demands of each install. An operator matched to a flat 10-foot aluminum gate will fail quickly on a sloped driveway with a heavy cedar panel. Proper sizing is non-negotiable.
Track & Drive Mechanism (Slide Gates)
Slide gates depend on a concrete track footing and drive mechanism that stays clean and level. In the clay-heavy soils near the Chehalis River valley, water pooling against the track footing is a primary cause of track heave and gate misalignment.
Our slide gate track footings are:
- Sloped away from the gate travel path to promote drainage
- Poured in high-PSI concrete
- Sized to the gate weight and travel distance
These are requirements for long-term performance in wet ground.
Access Control Hardware & Wiring
Keypads, loop detectors, fobs, and intercom systems are exposed to PNW weather year-round. Hardware rated for outdoor residential use performs differently than hardware rated for constant moisture exposure.
Our access control installs use:
- Weatherproofed enclosures for keypads and control boards
- UV-rated wiring for all outdoor runs
- Surge-protected control panels to prevent storm damage
Every system is programmed and tested on-site before we leave the property.
Why Installation Standards Drive Long-Term Performance
Most automatic gate failures we see in Lewis County come from shallow posts, undersized motors, or poor drainage — not the gate itself. A correctly specified operator installed with shallow posts will fail. The same operator installed with proper footings, correct torque selection, and sealed wiring will run for years without adjustment.
That’s why every install starts with a site assessment covering grade, soil, gate weight, and cycle demands before a single component is specified.
Safety Systems & Entrapment Protection
Automatic gates are required to include entrapment protection under UL 325. This applies to all residential and commercial automatic gate installations in Washington State.
Required safety devices on every PNW Fence & Gate install:
- Photo eyes — detect obstructions in the gate path
- Pressure sensors — trigger auto-reverse on contact
- Manual emergency release — allows gate operation during power failure
Our CGAD-certified technicians are trained specifically on entrapment protection requirements and test every safety device before the system is handed over.
Wiring, Connections & Weather Sealing
In Western Washington, wiring failures are as common a cause of gate malfunction as mechanical issues. Connections exposed to Lewis County’s 150+ annual rainfall days without proper sealing will corrode, arc, and fail. The control board is often the most expensive component to replace.
Every wiring run on our installs uses:
- UV-rated outdoor cable for all exposed runs
- Weatherproofed junction boxes at every connection point
- Sealed control board enclosures rated for continuous moisture exposure
These are requirements for long-term performance in PNW conditions.
Is an Automatic Gate Right for Your Property?
Automatic gates work very well in the right situations and less well in others. This quick comparison helps clarify where they fit, especially for residential and rural properties around Chehalis and similar conditions in the Pacific Northwest.
| PROS | CONS |
| Controls access without requiring someone to be home | Higher upfront cost than a manual gate |
| Works consistently in wet weather when installed with proper post depth and drainage | Requires a power source — battery backup or hardwired connection |
| Routine maintenance only required once correctly installed and programmed | Motors and electronics benefit from occasional seasonal inspection |
| Adds security and access control to residential and rural lots | Not ideal for very short driveways with limited swing or slide clearance |
| Scales from residential to commercial — swing, slide, and barrier arm options | HOAs may restrict gate style, color, or motor type |
How Automatic Gates Compare to Other Entry Options
Compared to Manual Swing Gates
A manual gate requires someone to exit the vehicle, open and close the gate by hand, and re-secure it on every entry and exit. On rural Lewis County properties with long driveways or frequent daily use, the friction of a manual gate is the main reason owners upgrade. Automatic systems eliminate that friction entirely.
Compared to Manual Slide Gates
Manual slide gates are heavy to operate and often fall out of alignment when the track footing shifts seasonally. An automated slide gate solves both problems. The motor handles the load, and a properly set footing keeps the track stable through wet seasons.
Compared to Keypad Entry Without a Gate
Keypad-only entry controls who can enter a building, not a property perimeter. An automatic gate with keypad access controls the driveway itself, stopping vehicles before they reach the structure. For rural properties, acreage, and lots where perimeter control matters, the gate is the layer that keypads alone can’t replace.
When an Automatic Gate Makes the Most Sense
Automatic gate installation is often the right choice when the priority is access control, convenience, and long-term security. Especially for:
Residential driveways with daily vehicle use
Rural and acreage properties
Commercial lots and rental properties
Properties where a manual gate creates daily friction
If budget is the only constraint and a manual gate serves the access need, that may be the better fit. If daily convenience and consistent access control matter, automatic is hard to beat.
OUR AUTOMATIC GATE INSTALLATION PROCESS
Review the Site &
Plan the Layout
We assess the driveway grade, soil conditions, clearance, and access requirements on-site across Chehalis and nearby areas
Set Posts, Footings &
Run Access Wiring
We set posts below the frost line, pour high-PSI concrete footings, and run weatherproofed wiring for the motor and access control system.
Mount Motor, Program Access
& Align the Gate
We install and calibrate the drive motor, program your chosen access method, and test the full open/close cycle before we leave the property.
Automatic Gate Maintenance & Care in the PNW
Test the open/close cycle monthly to catch motor strain or limit switch drift before it becomes a service call.
Inspect hinge hardware and track each spring, when saturated soil and winter movement first become evident near Chehalis.
Clear debris from slide gate tracks seasonally. Blackberry growth and gravel buildup along rural fence lines are the primary track obstruction causes in Lewis County.
Check wiring enclosures and keypad seals annually to prevent moisture intrusion into control boards during wet winters.
Rely on our 2-year craftsmanship warranty, covering installation-related post alignment, motor mounting, and structural performance.
Recent Automatic Gate Installations
These examples show how automatic gate systems are installed on real properties around Chehalis. You’ll see practical layouts for residential driveways, rural acreage entries, and commercial access points.
What Our Clients Are Saying
Discover how homeowners have transformed their outdoor spaces with our expert fence building services and exceptional craftsmanship.
Why Choose PNW Fence & Gate for Automatic Gate Installation
CGAD-Certified Gate Automation
Our team includes two Certified Gate Automation Designers (CGAD) who have completed AFA coursework, hands-on training, and rigorous testing to earn the credential. That certification covers motor selection, access control configuration, and safety compliance on every install, including UL 325 entrapment protection requirements.
Installation Standards for Lewis County Soil and Slope Conditions
Most automatic gate failures in Lewis County come from shallow posts, undersized motors, or poor drainage. We assess grade, soil, gate weight, and cycle demands on every site visit before specifying a single component. Post depth and footing drainage are set for longevity, not for how fast the job can be finished.
Built for Wet Ground and Real PNW Conditions
Our licensed team has completed hundreds of gate and fence installations across Chehalis, Centralia, and Lewis County. We understand local soil conditions, Pacific Northwest weather patterns, and the access demands of properties in river valleys, foothills, and rural corridors.
Warranty-Backed, Code-Compliant Work
Every installation includes a 2-year craftsmanship warranty and meets Washington residential and commercial codes. We use LiftMaster gate operators, which carry a manufacturer warranty — 3 years on residential systems, 9 years on commercial systems — passed through to you with documentation at project close.
Serving Lewis County, Thurston County & Beyond
We install automatic gate systems throughout Lewis and Thurston Counties, focusing on properties where soil conditions, driveway layout, and long-term performance matter.
Our service area includes Chehalis, Centralia, Olympia, Napavine, Toledo, Rochester, Yelm, Tenino, Oakville, Castle Rock, Lakewood, and nearby residential and rural areas.
If you’re unsure whether your property falls within our service range, we’re happy to confirm during a free on-site estimate.
Ready to talk about automatic gate installation for your property?
Contact PNW Fence & Gate to schedule a free on-site estimate. We come to you, assess the driveway, and provide a detailed written quote.
Call (360) 996-4250 or book online. Free, no-obligation site visit — 60 minutes, we come to you.
Frequently Asked Questions
How much does automatic gate installation cost in Lewis County?
Depending on gate type, material, and automation complexity. Swing gates on flat driveways typically fall on the lower end, while slide gates with custom steel panels and multi-point access control systems cost more. Commercial barrier and boom systems are quoted per project based on cycle frequency and access hardware. We provide a detailed written estimate after every on-site visit, so you know exactly what the system includes before any work begins.
How long does it take to install an automatic gate?
That timeline covers post setting, concrete curing, motor mounting, wiring, access control programming, and final alignment testing. Slide gates and commercial systems with extensive wiring runs or multi-point access may take longer. Weather delays are common during Lewis County’s wet season, and we build buffer into every project schedule to account for that.
Custom Gate Installation in Lewis & Thurston County
Automatic Gate Installation in Chehalis, WA. Built for Security, Convenience & the Long Haul.
A gate system that works every day, in every kind of PNW weather.
If you need automatic gate installation in Chehalis, WA, you want a system that opens consistently, holds up through wet winters, and doesn’t require constant adjustment. Not something that looks good in a catalog. Something that works on your actual driveway.
PNW Fence & Gate | 132 Pier Rd, Chehalis, WA 98532 | (360) 996-4250 installs automatic gate systems for driveways and properties throughout Lewis and Thurston County. Here, the soil stays saturated through winter, driveway grades vary, and freeze conditions stress posts and hardware year after year. We use LiftMaster gate operators, sourced locally and sized for the actual gate weight, driveway grade, and cycle demands of each property. LiftMaster offers residential and commercial warranties, which we pass through to you at project close.
We work locally in the Pacific Northwest. Our approach accounts for conditions that off-the-shelf gate kits and out-of-area installers routinely overlook, including post depth, motor torque ratings for sloped approaches, and drainage around track footings.
What an Automatic Gate Offers Property Owners Here
- Controlled access and security that works without requiring someone to be home
- A gate that stays straight for years when posts are set correctly for wet soil and seasonal movement
- Routine maintenance only, even through Lewis County’s 150+ annual rainfall days and seasonal freeze conditions
- Practical value, whether you’re securing a residential driveway, a rural acreage entry, or a commercial lot, without the daily friction of getting out to open a gate by hand
Popular Automatic Gate Systems & Configurations
Automatic gates are configured by drive mechanism, entry method, and driveway layout. Across Chehalis and surrounding Lewis County properties, these are the most common driveway and property setups.
Swing Gate Systems
RESIDENTIAL DRIVEWAYS, FLAT TO MODERATE GRADES
Single or dual leaf, the swing gate is the most common automatic gate configuration for homes in Lewis and Thurston County. The motor mounts at the hinge post and drives the gate through an arc.
Typical uses: Residential driveways with clearance space | Gated entries on flat or gently sloped lots | Cedar or ornamental iron gate panels
Slide Gate Systems
SLOPED DRIVEWAYS, TIGHT SIDE CLEARANCES, COMMERCIAL ENTRIES
A slide gate rolls laterally on a concrete track. It is the right call when driveway grade or tight clearance rules out a swing, particularly on hillside properties and rural lots across Lewis County.
Typical uses: Sloped or hillside driveways | Commercial lots with high vehicle clearance needs | Properties where swing clearance isn’t available
Barrier Arm & Boom Systems
COMMERCIAL LOTS, MULTI-UNIT PROPERTIES, HIGH-TRAFFIC VEHICLE CONTROL
A barrier arm raises and lowers vertically. It is a fast-cycle system common at commercial properties, multi-unit rentals, and facilities near the JBLM/Lakewood corridor.
Typical uses: Commercial parking entries | Multi-unit residential access | High-frequency vehicle control points
Functional Options & Add-Ons
Gate Operators (Residential & Commercial)
- Industrial gates
- Heavy-duty gates
- Barrier gates (solar pair with solar panel available)
- Slide gates
- Specialty gates
LiftMaster is our gate operator supplier. Residential systems carry a 3-year warranty, and commercial systems carry a 9-year warranty.
Access Control
- Keypad access
- Wireless
- Card reader
- Remote access
- Storage unit access control
Hardware
- Sealed ball bearing hinges (no greasing, no maintenance)
- Key fob access
- Safety entrapment eyes
- Magnetic locks
- Automatic exit loops
- Battery backup for power failure
From Configuration to Installation
Once gate type and access method are selected, long-term performance depends on how the system is built. Post depth, motor torque rating, and footing drainage determine whether an automatic gate stays aligned and functional over time.
Automatic Gate Materials & Construction Standards
In Western Washington, most automatic gate failures start below grade, at posts, footings, and hardware connections that aren’t visible once the system is complete. Getting these right is the only point in the project when getting them right is still possible.
Gate Posts & Structural Footings
An automatic gate is only as good as its posts. The hinge post carries the full weight and cycle stress of the gate. A post that shifts even slightly will cause misalignment that the motor can’t compensate for.
Post types:
- Hinge posts: must be oversized and set deep to carry gate weight and cycle stress
- Latch posts: must be plumb and stable to maintain consistent gate closure
On residential properties in Chehalis, posts are set to 48 inches minimum, well below the frost line, to prevent seasonal heave in the clay-heavy soils common near the Chehalis River valley.
Key stability factors:
- Post diameter matched to gate weight and width
- High-PSI concrete footings with drainage pitch
- Footings set below the frost line, not just to standard depth
Motor Type & Torque Rating
The motor drives every open/close cycle your gate makes. Undersized motors are a common cause of early automatic gate failure.
Motor selection depends on:
- Gate weight: heavier panels (steel, ornamental iron) require higher torque ratings
- Driveway grade: a swing gate on a 5%+ slope requires a motor rated for grade-load
- Cycle frequency: commercial and high-use gates need commercial-grade motors, not residential
We use premium gate operators, sized to the actual gate weight, driveway grade, and cycle demands of each install. An operator matched to a flat 10-foot aluminum gate will fail quickly on a sloped driveway with a heavy cedar panel. Proper sizing is non-negotiable.
Track & Drive Mechanism (Slide Gates)
Slide gates depend on a concrete track footing and drive mechanism that stays clean and level. In the clay-heavy soils near the Chehalis River valley, water pooling against the track footing is a primary cause of track heave and gate misalignment.
Our slide gate track footings are:
- Sloped away from the gate travel path to promote drainage
- Poured in high-PSI concrete
- Sized to the gate weight and travel distance
These are requirements for long-term performance in wet ground.
Access Control Hardware & Wiring
Keypads, loop detectors, fobs, and intercom systems are exposed to PNW weather year-round. Hardware rated for outdoor residential use performs differently than hardware rated for constant moisture exposure.
Our access control installs use:
- Weatherproofed enclosures for keypads and control boards
- UV-rated wiring for all outdoor runs
- Surge-protected control panels to prevent storm damage
Every system is programmed and tested on-site before we leave the property.
Why Installation Standards Drive Long-Term Performance
Most automatic gate failures we see in Lewis County come from shallow posts, undersized motors, or poor drainage — not the gate itself. A correctly specified operator installed with shallow posts will fail. The same operator installed with proper footings, correct torque selection, and sealed wiring will run for years without adjustment.
That’s why every install starts with a site assessment covering grade, soil, gate weight, and cycle demands before a single component is specified.
Safety Systems & Entrapment Protection
Automatic gates are required to include entrapment protection under UL 325. This applies to all residential and commercial automatic gate installations in Washington State.
Required safety devices on every PNW Fence & Gate install:
- Photo eyes — detect obstructions in the gate path
- Pressure sensors — trigger auto-reverse on contact
- Manual emergency release — allows gate operation during power failure
Our CGAD-certified technicians are trained specifically on entrapment protection requirements and test every safety device before the system is handed over.
Wiring, Connections & Weather Sealing
In Western Washington, wiring failures are as common a cause of gate malfunction as mechanical issues. Connections exposed to Lewis County’s 150+ annual rainfall days without proper sealing will corrode, arc, and fail. The control board is often the most expensive component to replace.
Every wiring run on our installs uses:
- UV-rated outdoor cable for all exposed runs
- Weatherproofed junction boxes at every connection point
- Sealed control board enclosures rated for continuous moisture exposure
These are requirements for long-term performance in PNW conditions.
Is an Automatic Gate Right for Your Property?
Automatic gates work very well in the right situations and less well in others. This quick comparison helps clarify where they fit, especially for residential and rural properties around Chehalis and similar conditions in the Pacific Northwest.
| PROS | CONS |
| Controls access without requiring someone to be home | Higher upfront cost than a manual gate |
| Works consistently in wet weather when installed with proper post depth and drainage | Requires a power source — battery backup or hardwired connection |
| Routine maintenance only required once correctly installed and programmed | Motors and electronics benefit from occasional seasonal inspection |
| Adds security and access control to residential and rural lots | Not ideal for very short driveways with limited swing or slide clearance |
| Scales from residential to commercial — swing, slide, and barrier arm options | HOAs may restrict gate style, color, or motor type |
How Automatic Gates Compare to Other Entry Options
Compared to Manual Swing Gates
A manual gate requires someone to exit the vehicle, open and close the gate by hand, and re-secure it on every entry and exit. On rural Lewis County properties with long driveways or frequent daily use, the friction of a manual gate is the main reason owners upgrade. Automatic systems eliminate that friction entirely.
Compared to Manual Slide Gates
Manual slide gates are heavy to operate and often fall out of alignment when the track footing shifts seasonally. An automated slide gate solves both problems. The motor handles the load, and a properly set footing keeps the track stable through wet seasons.
Compared to Keypad Entry Without a Gate
Keypad-only entry controls who can enter a building, not a property perimeter. An automatic gate with keypad access controls the driveway itself, stopping vehicles before they reach the structure. For rural properties, acreage, and lots where perimeter control matters, the gate is the layer that keypads alone can’t replace.
When an Automatic Gate Makes the Most Sense
Automatic gate installation is often the right choice when the priority is access control, convenience, and long-term security. Especially for:
Residential driveways with daily vehicle use
Rural and acreage properties
Commercial lots and rental properties
Properties where a manual gate creates daily friction
If budget is the only constraint and a manual gate serves the access need, that may be the better fit. If daily convenience and consistent access control matter, automatic is hard to beat.
OUR AUTOMATIC GATE INSTALLATION PROCESS
Review the Site &
Plan the Layout
We assess the driveway grade, soil conditions, clearance, and access requirements on-site across Chehalis and nearby areas
Set Posts, Footings &
Run Access Wiring
We set posts below the frost line, pour high-PSI concrete footings, and run weatherproofed wiring for the motor and access control system.
Mount Motor, Program Access
& Align the Gate
We install and calibrate the drive motor, program your chosen access method, and test the full open/close cycle before we leave the property.
Automatic Gate Maintenance & Care in the PNW
Test the open/close cycle monthly to catch motor strain or limit switch drift before it becomes a service call.
Inspect hinge hardware and track each spring, when saturated soil and winter movement first become evident near Chehalis.
Clear debris from slide gate tracks seasonally. Blackberry growth and gravel buildup along rural fence lines are the primary track obstruction causes in Lewis County.
Check wiring enclosures and keypad seals annually to prevent moisture intrusion into control boards during wet winters.
Rely on our 2-year craftsmanship warranty, covering installation-related post alignment, motor mounting, and structural performance.
Recent Automatic Gate Installations
These examples show how automatic gate systems are installed on real properties around Chehalis. You’ll see practical layouts for residential driveways, rural acreage entries, and commercial access points.
What Our Clients Are Saying
Discover how homeowners have transformed their outdoor spaces with our expert fence building services and exceptional craftsmanship.
Why Choose PNW Fence & Gate for Automatic Gate Installation
CGAD-Certified Gate Automation
Our team includes two Certified Gate Automation Designers (CGAD) who have completed AFA coursework, hands-on training, and rigorous testing to earn the credential. That certification covers motor selection, access control configuration, and safety compliance on every install, including UL 325 entrapment protection requirements.
Installation Standards for Lewis County Soil and Slope Conditions
Most automatic gate failures in Lewis County come from shallow posts, undersized motors, or poor drainage. We assess grade, soil, gate weight, and cycle demands on every site visit before specifying a single component. Post depth and footing drainage are set for longevity, not for how fast the job can be finished.
Built for Wet Ground and Real PNW Conditions
Our licensed team has completed hundreds of gate and fence installations across Chehalis, Centralia, and Lewis County. We understand local soil conditions, Pacific Northwest weather patterns, and the access demands of properties in river valleys, foothills, and rural corridors.
Warranty-Backed, Code-Compliant Work
Every installation includes a 2-year craftsmanship warranty and meets Washington residential and commercial codes. We use LiftMaster gate operators, which carry a manufacturer warranty — 3 years on residential systems, 9 years on commercial systems — passed through to you with documentation at project close.
Serving Lewis County, Thurston County & Beyond
We install automatic gate systems throughout Lewis and Thurston Counties, focusing on properties where soil conditions, driveway layout, and long-term performance matter.
Our service area includes Chehalis, Centralia, Olympia, Napavine, Toledo, Rochester, Yelm, Tenino, Oakville, Castle Rock, Lakewood, and nearby residential and rural areas.
If you’re unsure whether your property falls within our service range, we’re happy to confirm during a free on-site estimate.
Ready to talk about automatic gate installation for your property?
Contact PNW Fence & Gate to schedule a free on-site estimate. We come to you, assess the driveway, and provide a detailed written quote.
Call (360) 996-4250 or book online. Free, no-obligation site visit — 60 minutes, we come to you.
Frequently Asked Questions
How much does automatic gate installation cost in Lewis County?
Depending on gate type, material, and automation complexity. Swing gates on flat driveways typically fall on the lower end, while slide gates with custom steel panels and multi-point access control systems cost more. Commercial barrier and boom systems are quoted per project based on cycle frequency and access hardware. We provide a detailed written estimate after every on-site visit, so you know exactly what the system includes before any work begins.
How long does it take to install an automatic gate?
That timeline covers post setting, concrete curing, motor mounting, wiring, access control programming, and final alignment testing. Slide gates and commercial systems with extensive wiring runs or multi-point access may take longer. Weather delays are common during Lewis County’s wet season, and we build buffer into every project schedule to account for that.
Do I need a permit for an automatic gate in Chehalis?
Automatic gate installations in Chehalis and Lewis County typically require an electrical permit for the motor, access control wiring, and any hardwired power connections. Your installer is responsible for confirming permit requirements with the local jurisdiction before work begins. All automatic gates must also meet UL 325 entrapment protection standards, which cover photo eyes, pressure sensors, and manual emergency release. Our CGAD-certified team handles permit coordination and safety compliance on every project.
What type of motor works best for my gate?
The right motor depends on your gate’s weight, your driveway grade, and how often the gate cycles each day. A lightweight aluminum swing gate on a flat driveway needs a very different operator than a heavy steel slide gate on a 5% slope. We use LiftMaster gate operators and size each one to the actual specifications of the project. Oversizing slightly is better than undersizing, because an undersized motor running at peak load on every cycle will wear out early.
What maintenance does an automatic gate need in the Pacific Northwest?
Automatic gates in Western Washington need seasonal inspection and minor upkeep to stay aligned and functional through wet winters. Test the open/close cycle monthly to catch motor strain or limit switch drift early. Clear slide gate tracks of blackberry growth, gravel, and leaf debris each season. Check wiring enclosures and keypad seals annually to prevent moisture from reaching the control board. Spring is the best time to inspect hinge hardware and post alignment after winter soil movement.
What warranty comes with a PNW Fence & Gate automatic gate installation?
Every automatic gate installation includes a 2-year craftsmanship warranty from PNW Fence & Gate, plus the manufacturer warranty on the gate operator. Our craftsmanship warranty covers post alignment, motor mounting, and structural performance related to our installation work. LiftMaster residential gate operators carry a 3-year manufacturer warranty, and commercial operators carry a 9-year manufacturer warranty. Both are passed through to you with documentation at project close.
Do I need a permit for an automatic gate in Chehalis?
Automatic gate installations in Chehalis and Lewis County typically require an electrical permit for the motor, access control wiring, and any hardwired power connections. Your installer is responsible for confirming permit requirements with the local jurisdiction before work begins. All automatic gates must also meet UL 325 entrapment protection standards, which cover photo eyes, pressure sensors, and manual emergency release. Our CGAD-certified team handles permit coordination and safety compliance on every project.
What type of motor works best for my gate?
The right motor depends on your gate’s weight, your driveway grade, and how often the gate cycles each day. A lightweight aluminum swing gate on a flat driveway needs a very different operator than a heavy steel slide gate on a 5% slope. We use LiftMaster gate operators and size each one to the actual specifications of the project. Oversizing slightly is better than undersizing, because an undersized motor running at peak load on every cycle will wear out early.
What maintenance does an automatic gate need in the Pacific Northwest?
Automatic gates in Western Washington need seasonal inspection and minor upkeep to stay aligned and functional through wet winters. Test the open/close cycle monthly to catch motor strain or limit switch drift early. Clear slide gate tracks of blackberry growth, gravel, and leaf debris each season. Check wiring enclosures and keypad seals annually to prevent moisture from reaching the control board. Spring is the best time to inspect hinge hardware and post alignment after winter soil movement.
What warranty comes with a PNW Fence & Gate automatic gate installation?
Every automatic gate installation includes a 2-year craftsmanship warranty from PNW Fence & Gate, plus the manufacturer warranty on the gate operator. Our craftsmanship warranty covers post alignment, motor mounting, and structural performance related to our installation work. LiftMaster residential gate operators carry a 3-year manufacturer warranty, and commercial operators carry a 9-year manufacturer warranty. Both are passed through to you with documentation at project close.