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.
Before
After
Before
After
Before
AfterFast, Reliable Gate Repair Across San Mateo
Gate repair in San Mateo most often comes down to two things: corrosion from bay air and hardware that’s simply outlived its design. We work on both every week, from the Marina Lagoon waterfront to the ranch-house streets of Beresford. A technician who knows San Mateo’s older gates can usually reach you the same day and hand you a written price before any tool comes out of the truck. Call (928) 260-0864 and you’ll get a person, not a recording.
If your electric gate has stopped responding, started reversing unpredictably, or is sagging hard enough to scrape the driveway, call us. We service the whole San Mateo area, and the visit always ends with a photo record of what was found and what was changed.
Why Vance Gate Repair Is San Mateo’s Preferred Gate Repair Company
Vance Gate Repair handles San Mateo’s older gate stock differently than most. We don’t push replacement just because a machine looks tired. We open the enclosure, read what the board and the limit switches tell us, and hand you a written scope with a flat price before work begins. That’s how Adrian Vance built the company starting in 2014 from commercial access-control work, and it’s how every residential job in San Mateo is still run.
Our Gate Repair team services all of San Mateo, including the older neighborhoods where original 1950s and 1960s gates are still in service. Every technician arrives background-checked and uniformed, and you get a name and photo before anyone shows up. The 365-Day Done Right Promise covers every completed repair for a full year, no fine print and no argument.
Vance is independently owned and operated. Every visit includes a documented photo record under Haven Standard Clause 4, so the next technician never has to rediscover what we already found. For an honest second opinion on any written estimate from another company, bring us the paperwork and we’ll review it at no cost.
Our Gate Repair Services in San Mateo
These four services account for most of the work we do in San Mateo. Each one starts with the same step: a written price, in dollars, before any work begins.
Electric Gate Repair
Most San Mateo electric gate failures are electrical before they are mechanical. A corroded control board terminal near the bay, a limit switch that’s drifted, a photo-eye knocked out of alignment, or a keypad that stopped talking to the operator. In San Mateo we trace the circuit first, quote the repair in writing, and replace only what failed. A typical control board replacement in San Mateo runs $280-$560 depending on brand and board type, and most are in stock at the shop same week.
Automatic Gate Repair
Your automatic gate depends on three things working together: the motor, the control logic, and the safety inputs. When one leg fails, the gate misbehaves, often intermittently. In San Mateo’s marine moisture zone, we regularly find safety-edge and photo-eye failures on gates where the operator itself is still fine. Repairing the safety loop and re-syncing the travel limits commonly runs $220-$450 in this market.
Hinge & Post Repair
Posts set in San Mateo’s older ranch-house soil, softened by years of humidity, can drift enough to drop a gate by an inch or more. We re-set posts in concrete, re-mount the hinge plates, and re-hang the gate to close flat against the latch. A typical hinge and post re-set in San Mateo runs $360-$850, depending on whether the post is recoverable or must be replaced. We’ll tell you which before touching anything.
Gate Realignment
A gate that scrapes in winter and clears in summer is moving with the ground. San Mateo’s seasonal moisture swings make this common, especially on older side gates in Hayward Park and Fiesta Gardens. Re-hanging and realigning a sagging residential gate in San Mateo typically costs $180-$350, including new hinge hardware where needed.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
BeforeAfterTrusted Brands We Service in San Mateo
Vance technicians work on whatever motor is already bolted to your property. We service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule, and we keep the most common replacement parts for those brands stocked for fast turnaround in San Mateo. If your operator is older than the current lineup, we source boards and limit assemblies rather than talking you into a whole new system. A Viking or BFT swing operator from the 2000s, for example, is often well worth rebuilding, and we’ll tell you that clearly if it’s true. The same applies to Linear and Ghost Controls openers on smaller residential gates.
Common Gate Repair Problems We See in San Mateo Homes
- Salt-air corrosion on control boards and terminals. In Marina Lagoon and Shoreview, operator enclosures that aren’t sealed deal with moist, salt-laden air off San Francisco Bay. Terminals oxidize, safety circuits trip, and motors fail years earlier than inland units.
- Posts shifting in old footings. The 1950s and 1960s ranch homes around Beresford and Hayward Park often still have their original gate posts set in shallow concrete. Decades of damp soil cycles loosen the footing and the gate starts sagging.
- Legacy operators missing modern safety inputs. Gates installed before current entrapment standards often lack functioning photo-eyes or edge sensors. After a power surge or a board failure, the gate can reverse unpredictably, which is a genuine entrapment risk.
- Wrought-iron rust-through at the lower welds. The lower rail of an old iron gate sits just above the ground, holding moisture from fog and irrigation. In San Mateo’s climate, those welds rust from the inside and eventually tear open.
Pricing for Gate Repair in San Mateo, CA
Most San Mateo gate repairs fall between $180 and $850. Here’s a straight breakdown of what we typically see in this market:
- Gate realignment and hinge adjustment: $180-$350
- Photo-eye or safety-edge repair: $190-$290
- Control board replacement: $280-$560
- Hinge and post re-set: $360-$850
- Full operator replacement: $750-$1,900 depending on brand and gate type
These are the numbers written on the quote. The price won’t move once you approve it. Estimates in San Mateo are free, and we’ll deliver the written price before any work starts.
We Also Serve Cities Near San Mateo
We regularly work in the neighboring Peninsula communities of Burlingame, Belmont, Millbrae, and San Carlos. If you’re just outside San Mateo proper, we still cover you. Our Gate Repair in San Mateo team and nearby coverage area connect directly through the same 24/7 phone line at (928) 260-0864.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 San Mateo
Salt-laden moisture off San Francisco Bay penetrates standard, non-sealed operator enclosures and corrodes the control-board terminals and motor contactors within three to five years. That’s a marine corrosion cycle, not a dry-suburb lifespan. The fix is a marine-grade or NEMA-4X-rated operator with dielectric grease on every terminal at installation, and we spec that standard in Marina Lagoon and Shoreview. If your gate is showing intermittent faults and you’re near the water, call (928) 260-0864 before the board shorts completely.
Usually, yes. We preserve the original gate and repair or replace only the operator and its safety hardware. The older cedar and redwood gates around San Mateo’s ranch homes often have decades of life left once the hardware is addressed, especially if they’ve been regularly sealed. We’ll quote the operator work separately and tell you plainly if the gate itself is too far gone to save. In most San Mateo cases it isn’t.
It’s usually misalignment first, rust second. The sandy, moisture-heavy soil east of US-101 can settle under the track supports, dropping one end of the track by half an inch. The gate then drags and the rollers wear unevenly. We level the track, replace worn rollers if needed, and treat any surface rust before it eats into the frame. A typical track leveling and roller replacement in San Mateo runs $250-$450. Call (928) 260-0864 for an exact quote.
Most often, the two devices are wired into incompatible inputs on the control board, or the loop detector’s relay wasn’t configured for the board’s logic voltage. It’s also common in San Mateo to find the keypad’s wiring corroded inside the conduit near the post, especially where landscape irrigation keeps the soil wet. We trace the wiring, identify the mismatch, and document the corrected configuration with a photo record. Wiring diagnostics and correction typically run $180-$300.
No. Sagging in San Mateo almost always comes from a hinge post that’s shifted in its original 1950s or 1960s footing, not from a failing gate frame. We re-set the post in concrete, re-mount the hinges, and re-hang the gate so it closes square and latches clean. The work is covered by the 365-Day Done Right Promise and typically runs $360-$850 depending on post condition. Call (928) 260-0864 for a free estimate on yours.
The Shoreview Job: What Coastal Corrosion Actually Looks Like
At a 1960s ranch property in Shoreview east of US-101, our tech pulled a LiftMaster gate operator and found the control board showing terminal corrosion inside a non-sealed enclosure, which is what you’d expect three to five years into direct bay exposure. We replaced it with a NEMA-4X-rated unit, applied dielectric grease to every terminal, and re-secured the hinge post that had shifted in the sandy bay-side soil. That’s a typical San Mateo repair, and it’s exactly the kind of failure that goes undiagnosed until the gate quits entirely.
Written by Adrian Vance, Owner at Vance Gate Repair, serving San Mateo gate owners since 2014.
Gate Repair in Nearby Areas
