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 San Mateo
Gate repair in San Mateo typically runs $180-$650 depending on whether the job is hardware replacement, operator troubleshooting, or structural post work, and most non-emergency repairs are scheduled within 24-48 hours. Our Gate Repair crews serve San Mateo from our Bay Area dispatch office, carrying marine-grade hardware and parts for Linear, Viking, and Ghost Controls operators because bay-driven corrosion here eats standard hinges and latches faster than anywhere else on the Peninsula.
San Mateo’s narrow shared driveways, tight side-yard rights of way, and post-war ranch housing stock create gate problems you won’t find in newer inland suburbs. We’ve re-set concrete hinge posts in Baywood, realigned slide gates in Beresford, and replaced salt-frozen operator arms on hillside homes above Highway 92. When you call (669) 900-1904, a live person answers, day or night, and we dispatch a named, background-checked technician with a written price in hand before any work starts.
Why Vance Gate Repair Sunnyvale Is San Mateo’s Preferred Gate Repair Company
We’ve repaired and installed over 22,000 gates since 2014, and every single job started with a written price and ended with a photographed record of what we found, what we adjusted, and what we left behind. San Mateo homeowners know this because they’ve seen the documentation themselves.
Our reputation here is built on jobs like the one in the Beresford neighborhood, where we were called to a narrow shared driveway with a 1960s wrought-iron swing gate dragging the apron and refusing to latch. The original concrete-set hinge post had shifted from seismic movement, so we re-set the post footing, corrected the sag, and replaced the salt-seized hinges and latch with marine-grade hardware. Because the driveway served two homes, we kept vehicle and pedestrian access working throughout the repair and then tested the LiftMaster gate operator’s safety photocell before we left. The homeowner got photos of every step and a written record of the part numbers installed.
Response time to San Mateo is typically same-day for emergency calls and next-day for standard repairs. Our technicians know the local conditions: the marine fog that keeps metal damp overnight, the seismic-shifted posts east of El Camino Real, the tight working spaces where a swing gate won’t clear. That local knowledge means we show up with the right parts instead of making two trips.
Under The Haven Standard, every San Mateo job gets Clause 1 (written price before work starts), Clause 4 (documented photo record), and the 365-Day Done Right Promise: if anything we repaired isn’t right, we make it right at no charge within one full year.
Our Gate Repair Services in San Mateo

Electric Gate Repair
Electric gates in San Mateo fail when salt air corrodes control boards, photocells, and limit switches in operators mounted too close to bay-facing driveways. We troubleshoot power supply, loop detectors, safety edges, and motor assemblies on nine major brands, and we stock replacement parts for Linear and Viking operators because those appear frequently in Peninsula installations. A typical electric gate repair in San Mateo runs $220-$480, depending on whether the issue is a failed photocell or a seized actuator arm.

Automatic Gate Repair
Automatic gate operators in San Mateo work harder than inland equivalents because marine fog keeps limit switches and gearboxes damp year-round. We service automatic openers from Ghost Controls and other major brands, diagnosing remote receiver failures, keypad programming errors, and actuator timing drift. Most automatic gate repairs in San Mateo are completed in one visit because our trucks carry common operator parts and we photograph the wiring diagram before we touch anything, so we can restore it exactly if replacement isn’t needed.

Hinge & Post Repair
This is our most called-for service in San Mateo, and for good reason. In the post-war ranch blocks east of El Camino Real, the original concrete-set pivot-hinge posts for 1960s wrought-iron driveway gates have shifted from decades of minor seismic movement along the nearby San Andreas system. The gate itself is fine. The hinges are fine. But the post has tilted or sunk, so the gate drags the driveway apron or misses the latch by two inches no matter how you adjust the panel. We excavate and re-set the post footing, pour new concrete, and rehang the gate plumb. Hinge and post repair in San Mateo typically costs $340-$650, with structural re-setting at the higher end.

Gate Realignment
Realignment in San Mateo often follows hinge and post work, but we also handle gates that have simply sagged from their own weight or shifted from soil movement. In hillside neighborhoods above Highway 92, seasonal moisture changes cause gate posts to heave slightly, throwing off latch alignment and creating gaps that compromise security. We measure the gate in three planes, identify whether the issue is post, hinge, or panel, and correct it. Realignment alone runs $180-$320 in San Mateo.

What happens when you call
- 1
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.
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AfterTrusted Brands We Service in San Mateo
We carry parts and technical documentation for nine automation brands: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. In San Mateo, we most commonly stock Linear and Viking operator parts because those brands were specified heavily in Peninsula residential installations during the 2000s and 2010s. We also keep Ghost Controls replacement arms and control boards on hand for the growing number of solar-compatible installations in hillside neighborhoods. Having the part in the truck means your gate isn’t left open overnight waiting for a second visit.
Common Gate Repair Problems We See in San Mateo Homes

- Salt-air corrosion seizes hinge pins and latch mechanisms. San Mateo’s bay-facing position exposes gate hardware to marine fog that keeps metal damp overnight, even on dry days. Hinge pins that would last a decade in Redwood City are pitted and frozen here in three to five years. We replace them with marine-grade stainless hardware and document the part number for future reference.
- Seismic-shifted concrete posts cause gates to drag or miss the latch. In post-war ranch neighborhoods like Baywood and Beresford, decades of minor movement along the San Andreas fault system have tilted or sunk original hinge posts. The gate panel looks bent but isn’t; the structure beneath it has moved. We re-set the post footing and rehang the gate.
- Tight shared driveways eliminate swing-gate clearance. Many San Mateo properties have narrow rights of way or shared driveways where a swing gate would block pedestrian or vehicle access. Slide gates with rack-and-pinion operators are often the only fit, and their loop detectors and safety photocells must be calibrated so access keeps working during repair work.
- Wet-dry cycling warps wooden gates in hillside neighborhoods. Above Highway 92, seasonal fog and winter rains create repeated expansion and contraction in wooden driveway gates, loosening hardware and twisting frames. We realign the frame, replace corroded fasteners, and adjust the operator’s limit switches to match the gate’s new travel range.
Pricing for Gate Repair in San Mateo, CA
We quote every job in writing before we pick up a tool. Here’s what gate repair costs in San Mateo’s market:
| Service | Typical Range in San Mateo |
|---|---|
| Basic hinge/hardware replacement | $180-$280 |
| Electric/operator troubleshooting and repair | $220-$480 |
| Gate realignment (post intact) | $180-$320 |
| Hinge post re-setting and structural repair | $340-$650 |
| Full operator replacement (parts + labor) | $1,200-$2,400 |
Prices vary with gate size, material, and whether the existing post can be re-used. We do not start work until you have the written price in hand, and we never invoice above the quoted amount. Free estimates are available throughout San Mateo; call (669) 900-1904 to schedule. We also provide free second opinions on any written estimate from another company - bring the paperwork and we’ll review it at no cost.
We Also Serve Cities Near San Mateo

Our crews work throughout the Peninsula, including San Mateo, Redwood City, Atherton, Menlo Park, and Palo Alto. Each city gets the same Haven Standard: written price before work, photographed record after, and the 365-Day Done Right Promise. Dispatch and scheduling are coordinated from our Bay Area office.
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

The concrete-set hinge post beneath your gate has likely shifted from decades of seismic movement along the nearby San Andreas system, a pattern we see constantly in post-war ranch neighborhoods east of El Camino Real. Tightening the hinges pulls the panel toward a post that is no longer plumb, so the gate drags the driveway or misses the latch. We excavate and re-set the post footing, then rehang the gate square. Call (669) 900-1904 for a free inspection and written quote.
Yes. San Mateo’s position on the western shore of San Francisco Bay means marine fog pushes onshore nearly year-round, keeping gate metal damp overnight even when the daytime feels dry. This accelerates oxidation far faster than in inland Peninsula cities. We replace corroded hardware with marine-grade stainless steel and document the part numbers so future technicians know what’s installed. For a hardware assessment in San Mateo, call us at (669) 900-1904.
A slide gate with a rack-and-pinion operator is usually the solution for tight shared driveways or narrow side-yard rights of way. We measure your opening, check the available lateral space for the gate to retract, and specify an operator with loop detectors and safety photocells calibrated to keep vehicle and pedestrian access open during the work. We provide a written price for the full scope before any installation begins.
Yes. California building code and UL 325 standards require automatic gates to have safety sensors - typically photocells (infrared beams) and/or safety edges - that stop or reverse the gate if a vehicle, pedestrian, or object is detected. We test and calibrate these sensors on every service call, and we replace failed units with code-compliant hardware. If your gate is missing sensors or they are misaligned, we will document the deficiency and quote the repair in writing.
Most rusted wrought-iron gates in San Mateo can be repaired if the structural tubing or solid bar is still sound beneath the surface corrosion. We grind to bare metal, weld in patch pieces where needed, and apply a rust-inhibiting primer and finish coat. Replacement becomes necessary only when the metal has thinned to the point of structural failure, which we assess and photograph before recommending. A typical weld and rust repair in San Mateo runs $280-$520. Call (669) 900-1904 for an exact quote - estimates are free.
Ready to get your gate working right? Call Vance Gate Repair Sunnyvale at (669) 900-1904 for a free, written estimate. A live person will answer, and we’ll dispatch a named, background-checked technician to your San Mateo property with the right parts and the right documentation habit.
Written by Adrian Vance, Owner at Vance Gate Repair, serving the San Francisco Bay Area since 2014.





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