Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
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AfterFast, Reliable Gate Motor & Opener Across SeaTac
Gate motor and opener work in SeaTac tends to run $225-$585 for most repairs, and a full operator replacement on a standard residential swing gate typically lands between $1,100 and $2,800 depending on the brand and duty rating. We’re Gatewood Fence & Gate, owned by Hal Gatewood and serving ZIP 98158 since the company was founded in 2001. SeaTac is a different animal than the residential neighborhoods around it. Airport traffic, heavy commercial gates, and salt-wet marine air mean the operator on a rental car return lane fails differently than the swing gate on a 1960s rambler off Military Road. We handle both ends of that spectrum in the same day, and a live person answers when you call (877) 610-2993.
This page covers what we see in SeaTac specifically: high-cycle commercial operators around the airport ring, older residential gates in the postwar tracts, moisture-driven failures that don’t show up in drier parts of the county, and the retrofit-versus-replace math on legacy equipment. If you’re looking for a Gate Motor & Opener team that actually knows the 98158 landscape, you’re in the right place.
Why Gatewood Fence & Gate Is SeaTac’s Go-To for Gate Motors & Openers
Hal Gatewood’s name is on every invoice, and the shop’s address is published where anyone can find it. That’s not a marketing line. It’s accountability from a guy who has been doing this since 2001 and still answers the phone himself after hours. SeaTac customers call us because gate work here isn’t a side hustle. It’s a trade that requires knowing the difference between a residential swing motor and a high-cycle slide operator rated for 300 to 500 cycles a day on International Boulevard.
Our SeaTac reviews consistently mention the same things: the person who showed up was the person we talked to on the phone, the price quoted before the job matched the invoice, and the work held up through a wet winter. We’re certified on nine major brands including LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. When a rental car facility off SR-518 has a Viking slide operator down at 6 a.m., we have the parts on the truck and the knowledge to fix it before the shuttle line backs up.
For SeaTac homeowners, the math is simpler: we fix what’s fixable, and we tell you plainly when replacement is the cheaper long-term answer. That repair-first honesty is why people from Angle Lake to McMicken Heights keep our number saved. The 90-Day Done Right Promise covers every job in writing, and we don’t dodge the phone when something isn’t right.
Our Gate Motor & Opener Services in SeaTac
Motor Installation
A new gate motor installation in SeaTac runs $1,100-$2,800 for residential swing gates and $2,200-$5,500 for commercial slide and high-cycle applications around the airport ring. We quote the total price before any work starts, including the operator, mounting, wiring, safety edges, and loop detectors where needed. No number changes between the estimate and the invoice.
Motor Repair
Most motor repairs in SeaTac land between $225 and $585, and that covers everything from a burned-out control board to a stripped drive gear. The failure mode we see most often on the commercial side is moisture intrusion into outdoor enclosures: SeaTac’s steady rainfall and humidity work their way into conduit fittings and junction boxes, corroding the board until the gate faults mid-cycle. On the residential side, it’s usually a rusted hinge post or a sagging gate that makes the motor work double and burn out early.
Linear Motor Service
Linear is one of the most common residential brands on SeaTac’s older gates, and we service the full line including actuator arms, control boards, and remote receivers. A typical Linear motor repair around SeaTac runs $180-$420. Parts are usually on the truck, which means most Linear jobs are one trip and done the same day.
Slide Motor Service
SeaTac’s tight commercial lots, especially the parking facilities and cargo yards off Air Cargo Road and around Des Moines Memorial Drive, lean heavily on slide gates because swing gates eat too much space. Slide motor repair here runs $350-$1,600 depending on whether it’s a residential chain-drive unit or a commercial rack-and-pinion operator. The commercial units cycle hundreds of times daily, so we stock high-cycle replacement parts locally for SeaTac customers rather than making you wait on a shipped part.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in SeaTac
We’re certified to work on nine gate brands, and in SeaTac the big three we’re pulling parts for each week are Viking, DoorKing, and Linear. Viking slide operators dominate the airport rental car and long-term parking facilities. DoorKing shows up on hotel service entrances and access-controlled parking lots along International Boulevard. Linear is the most common residential brand in the 1950s through 1970s tract neighborhoods. Because we work these brands constantly in the 98158 ZIP code, we keep control boards, safety edges, loop detectors, and photo eyes in stock locally rather than telling you it’s a week out for parts.
Common Gate Motor & Opener Problems We See in SeaTac Homes
- Moisture in the operator enclosure. SeaTac’s persistent marine rainfall wicks into outdoor enclosures on parking and rental car gates, corroding control boards and wiring connectors until the gate faults out mid-cycle. We fix the board and seal the enclosure properly so it stops happening.
- Rusted hinge posts on postwar residential gates. A lot of SeaTac homes were built in the 1950s through 1970s, and their swing gate hinge posts have been soaking up rain for decades. When the post rots at the footing, the gate sags and the motor strains. We repair the post and re-align the gate instead of slapping a new motor on a failing foundation.
- High-cycle commercial burnout. Gates on the airport ring cycle 300 to 500 times a day, far beyond residential duty ratings. Drive motors and rack-and-pinion gears on these facilities wear out well before the manufacturer’s rated lifespan, leaving gates stuck open or closed during peak shuttle traffic. We replace them with operators actually rated for that workload.
- Failures with the opener already worked with under strain. A gate that’s been sagging out of alignment puts constant stress on the motor. Replacing the motor without fixing the gate is a temporary fix that fails again within months. We address both at the same time.
Pricing for Gate Motor & Opener in SeaTac, WA
Here’s what we charge in SeaTac, stated plainly so you can budget before you pick up the phone. All prices are quoted and agreed before any work starts. There’s no trip charge inside the county, and we offer $40 off any repair over $200, a free second opinion on any written estimate, and a permanent 10% discount for seniors and veterans.
Residential motor repair: $180-$420. Commercial slide motor repair: $350-$1,600 depending on duty rating and the specific part that failed. Full residential operator replacement including installation: $1,100-$2,800. High-cycle commercial operator installation: $2,200-$5,500. The wide range on commercial work reflects the difference between a 40-cycle residential-duty unit and a 500-cycle high-duty slide operator built for SeaTac’s airport facilities. Call (877) 610-2993 and we’ll give you a written quote for free.
We Also Serve Cities Near SeaTac
Our team covers SeaTac and the surrounding communities within King County. If you’re in Normandy Park, Tukwila, Boulevard Park, or Riverton, we’re already working gates in your area and can usually schedule you the same week. The same live-answer phone, the same written quote, and the same 90-Day Done Right Promise apply anywhere we travel.
Serving SeaTac, WA - Our Local Coverage Area
We’re based in the SeaTac area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Gate Motor & Opener in SeaTac
Because they cycle 300-500 times a day, which is several times the duty rating of a residential operator. A gate at a standard house in Burien might open 10 to 20 times daily. SeaTac’s rental car return lanes and long-term parking facilities run gates nonstop from first flight to last flight, so drive motors, spring packs, and loop detectors wear out on compressed timelines. The fix is a high-cycle commercial operator rated for that workload, not another residential unit. Call (877) 610-2993 for an exact quote on your facility’s setup.
In most cases we can retrofit. The UL 325 standard for entrapment protection has been around since 2010, and older gates often lack the required safety edges, photo eyes, and reversing mechanisms. We can add those to an existing swing gate without replacing the entire structure, as long as the hinge posts and gate frame are structurally sound. If the post is rotted at the footing or the frame is racked beyond repair, replacement becomes the cheaper answer. We’ll tell you which way to go before we touch anything, and the quote is free.
Nine times out of ten it’s the loop detector seeing false signals from shuttle vans queuing in the detection zone, or the safety edge reading friction from a misaligned track. On wet SeaTac mornings, moisture in the detector housing also causes phantom triggers. We diagnose it by watching the gate cycle with the sensitivity readings live, then re-tune the detector and check the mechanical alignment. If the board has gone, we replace it. Call (877) 610-2993 and we’ll get you quoted today.
A swing gate operator pivots the gate on hinges and needs clearance for the arc of the panel. A slide gate operator pulls the gate sideways along a track or cantilever beam, so it needs no swing room. For tight commercial lots around SeaTac airport, where every square foot of apron is doing double duty, slide is almost always the better answer. It’s why the rental car and cargo facilities off International Boulevard and Air Cargo Road run slide gates almost exclusively. Expect to pay $2,200-$5,500 installed for a commercial slide operator depending on duty rating.
If your gate was installed or significantly modified after 2010, it should already conform to UL 325, which requires two independent entrapment protection devices: typically a reversing mechanism plus a monitored safety edge or photo eye pair. If it’s older, it probably doesn’t meet the current standard, and any reputable gate company should flag that before doing other work. We check entrapment protection on every SeaTac job we touch, whether it’s a residential swing gate off Military Road or a commercial slide at a parking facility. Call (877) 610-2993 for a free assessment.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving SeaTac since 2001.