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.
Fast, Reliable Gate Repair Across Mercer Island
Gate repair in Mercer Island, WA usually runs between $180 and $640 depending on whether we’re rebuilding a hinge post, replacing a control board, or retrofitting an operator to meet current safety code. We fix it in your driveway rather than hauling the gate to a shop, and most calls get same-week scheduling because our crews carry parts and welding gear for Mercer Island’s mix of 1960s estate gates and newer automated systems. If your gate is stuck, sagging, or refusing to close, call (877) 610-2993 and you’ll get a live person who can tell you straight whether it’s a two-hour fix or a full rebuild.
We’ve worked on gates along East Mercer Way, through the mid-island neighborhoods, up by Mercer Island Country Club, and down by the lakefront lots near Clarke Beach. What we’ve learned after years of servicing 98040 is that Mercer Island gates fail differently than gates ten minutes east in Bellevue. The lake changes things. More on that below.
Why Gatewood Fence & Gate Is Mercer Island’s Preferred Gate Repair Company
Hal Gatewood started this shop in 2001, and his name is still on every invoice. When a Mercer Island homeowner calls about a gate that won’t close or a post that’s leaning, the person who answers is the person who can actually fix it, not a queue that filters you to a subcontractor. That matters on an island where people verify names before letting anyone onto a long private driveway.
We’ve rebuilt gates on mid-century ramblers off Island Crest Way, serviced operators on newer custom homes near Gallagher Hill, and straightened hinge posts on lakefront estates where the iron was rusting at the base. Homeowners here tend to be particular. They want a written price before work starts, and they want a name they can find again if something goes sideways. That’s exactly how we operate. Every job carries the 90-Day Done Right Promise in writing. If it’s not right, Hal comes back. No runaround, no arguing with a phone tree.
Calls are answered live, 24 hours a day, seven days a week, not routed to a voicemail at 6pm. If your gate is stuck open at midnight and you live on Mercer Island, you’ll reach a real person who can make a plan with you right then.
Our Gate Repair Services in Mercer Island
This is Gate Repair the way it should work: we show up, diagnose on site, weld in your driveway, and charge the price we quoted before touching a tool. Here are the services that keep most Mercer Island gates working.
Electric Gate Repair
Mercer Island has a lot of electric gates. Long private driveways on the newer teardown-rebuilds, older operators on 1970s split-levels, custom systems with intercoms and keypads. We service LiftMaster, FAAC, BFT, Ghost Controls, DoorKing, Viking, and Mighty Mule, and we stock common control boards and safety sensors so we’re not waiting two weeks on a parts shipment. The humidity off Lake Washington gets into sealed boards faster than manufacturers expect, so we see board failures on pre-2000 operators before the mechanical parts even show wear. That’s the kind of thing you learn from doing this here, not from a training video.

Automatic Gate Repair
Automatic gates have three failure points: the operator, the safety sensors, and the alignment. On Mercer Island we see a fourth factor that inland suburbs don’t deal with: lake-driven corrosion inside the operator housing. Seals degrade, moisture condenses on circuit boards, and the gate starts doing things like opening fine but refusing to close, or reversing halfway for no reason. Sometimes it’s a $90 sensor. Sometimes the board is cooked and the right call is a sealed replacement operator. We’ll tell you which is which, and we’ll show you the bad part before we replace it.

Hinge & Post Repair
A gate sags in the hinge post, not in the middle, and that’s where we start. On Mercer Island, we’ve pulled more rusted hinge posts out of 1960s ramblers than anywhere else we work. The island’s persistent moisture works its way into the post base, especially on wrought-iron gates that were set decades ago without proper drainage or stainless hardware. We dig out the old footing, set a new post with marine-grade hardware when needed, and reweld the hinges at the correct height so the gate swings and latches like it’s supposed to. Fix the panel without the post and you’ll fix it twice.

Gate Realignment
Wet Pacific Northwest winters cause a slow soil movement on Mercer Island that shifts post footings and throws auto-close alignment out of spec. You’ll notice it as a gate that drags on the ground, a latch that no longer catches, or an auto-close that gives up halfway. We realign the gate, shim or reset the hinges, and adjust the operator limits. On older gates where the posts have moved enough that realignment alone won’t hold, we’ll say so before we start, and we’ll quote the post reset separately so there’s no surprise invoice.

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 Mercer Island
We’re certified on nine major gate brands, and on Mercer Island we see a lot of DoorKing, Viking, and Ghost Controls systems, especially on the custom builds from the 2000s onward. Whatever brand is on your gate, we can likely service it same-week, and for common parts we keep inventory specifically for the island’s older operators. If your system has a proprietary board that’s been discontinued, we’ll help you decide between a retrofit and a better sealed modern replacement, and we’ll quote both options before you commit.
Common Gate Repair Problems We See in Mercer Island Homes
- Rusted hinge posts on 1950s through 1970s estate gates. The post base has been sitting in damp soil for decades. The gate leans, the latch misses, and every fix that doesn’t address the post is temporary.
- Burnt control boards on pre-2000 operators. Lake humidity gets inside the housing and corrodes the board. The motor still runs but the gate won’t respond to remotes, keypads, or safety sensors.
- Obsolete slide gate operators on lakefront rebuilds. Many of the slide gate systems installed during the 2000s building wave lack current safety photocells. They work, but they don’t meet today’s UL 325 entrapment protection, and they’re getting harder to find parts for.
- Auto-close sensors knocked out of alignment by frost-heave. The gate starts and then reverses, or it sits open. Often it’s a sensor that shifted a quarter inch, but sometimes the post itself has moved enough that the whole gate needs resquaring.
Honest, Upfront Pricing for Gate Repair in Mercer Island, WA
A typical hinge post repair in Mercer Island runs $220 to $480 depending on whether the post needs a full footing reset or just reweld and realignment. Electric gate repair, meaning diagnosis and replacement of a control board, sensor, or capacitor, typically lands between $180 and $450 on island properties. Full operator replacement with a sealed unit and safety photocell runs $680 to $1,500 depending on gate size, weight, and access. The price you’re quoted is the price you pay, and we put it in writing before we start. We also offer a free second opinion on any written estimate you’ve received, which is useful on an island where high-end homes sometimes get quoted high-end prices for straightforward repairs. $40 off any repair over $200, no trip charge inside King County, and a permanent 10% discount for seniors and veterans.
We Also Serve Cities Near Mercer Island
Most of our work is right here in Mercer Island, but you’ll find us regularly crossing the bridges into Mercer Island neighbors like Bellevue and Newcastle, and running repairs in Bryn Mawr-Skyway and Boulevard Park when a gate’s down and someone can’t get a car out of the driveway.
Serving Mercer Island, WA - Our Local Coverage Area
We’re based in the Mercer Island 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 Repair in Mercer Island
Because Mercer Island is completely surrounded by Lake Washington, and that changes the moisture load. Your friend in Bellevue is a few miles inland and his operator housing stays drier. Yours is sitting in persistently higher ambient humidity that condenses inside the sealed box, shorts out circuit boards, and degrades wire connections. We see operators on Mercer Island fail two to three years earlier than identical units inland. The fix is to use sealed operators and marine-grade stainless fasteners, or if you’re already facing a dead board, to replace it with a sealed unit that can handle island conditions. Call (877) 610-2993 and we’ll diagnose yours.
Yes, in most cases you can add a safety photocell, an edge sensor, and a monitored safety circuit to an older gate, and we do this regularly on the island’s legacy estate gates. The operator itself doesn’t always need replacement; we can often wire the safety components through the existing controller. If the operator is a pre-2000 unit with a corroded board, the retrofit makes less sense and a sealed replacement is the cheaper long-term answer. We’ll show you both options and the costs before you decide.
It’s almost always the hinge post. The panel doesn’t sag on its own; it’s held up at the hinge side, and when that post rusts at the base or shifts in wet ground, the whole gate drops at the latch end. We’ve rebuilt hinge posts on enough 1960s and 70s homes along East Mercer Way to know the pattern. We’ll confirm on site, and if the panel is still straight, we’ll set the post, shim the hinges, and realign the latch. You’ll watch us do it in your driveway.
Yes, and the answer surprises people who can’t see Lake Washington from their front door. The island’s entire geography puts every house, not just the shoreline lots, inside a moisture bubble that pushes gate hardware toward premature corrosion. On lakefront and near-shore properties, we spec marine-grade stainless fasteners and sealed operators as a matter of course. On mid-island properties, we still have to account for humidity levels that are closer to a coastal installation than a standard Seattle-area spec. If you’re near the lake at all, we’ll recommend the upgraded hardware, and we’ll explain why it saves you money over the next ten years.
If the rack is still in good shape and the noise is from the motor or gearbox, it’s usually a repair: new bearings, lube, or a replaced gear. If the motor bearings are worn and the board is showing corrosion, you’re often better off replacing the operator, especially because units from the 2000s building wave often lack modern UL 325 safety photocells and are getting hard to find parts for. We’ll pull the cover, show you the wear, and give you a written price for both paths. Call (877) 610-2993 to get the process started. Estimates are free.
Call Hal for Gate Repair in Mercer Island
Your gate is stuck, the remote’s not working, or the post is leaning. That’s a problem that doesn’t fix itself, and it’s not one you want handled by somebody who just Googled the same video you did. Call (877) 610-2993. A real person answers, makes a note of your address on Mercer Island, and gets you on the schedule. Or you can bring your photos and your questions to the shop and look Hal in the eye before anyone touches your driveway. The name is on the shop, and the shop is down the road. That’s the oldest accountability there is.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Mercer Island since 2001.





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