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.
Gate Repair in San Mateo, CA
Gate access control repair in San Mateo typically costs $280-$650 for keypad or card-reader fixes, and $340-$780 for video intercom troubleshooting, with most service calls completed same-day. We’re Vance Gate Repair, and we dispatch to San Mateo from our Bay Area office with technicians who carry parts for DoorKing, Elite, and Mighty Mule systems. Call (650) 293-9440 for a free estimate - we’ll deliver a written price before any work starts.
Why San Mateo Homes Are Different
San Mateo’s eastern neighborhoods sit directly on San Francisco Bay, exposing metal gates to persistent salt-laden marine air that accelerates rust and hardware corrosion far faster than in inland Peninsula cities. The marine layer delivers near-constant humidity, and properties east of El Camino Real face direct bay salt air that causes accelerated oxidation of steel hinges, latches, and gate frames - often within five to seven years on an uncoated iron gate.
At the same time, the city’s dense concentration of tech-sector homeowners has produced an unusually high rate of automated and app-controlled gate operators, making electrically integrated gate repair the dominant service call here. In Baywood, Aragon, and San Mateo Park, expanding root systems from mature Canary Island pines and eucalyptus routinely crack and lift the concrete pads anchoring driveway gate posts, meaning technicians here are as often repairing the foundation and re-plumbing posts as fixing the gate mechanism itself. Winter rains saturate the silty bay-fill soils in eastern flatland neighborhoods, causing post-footing heave and gate misalignment that intensifies each wet season.
Our Main San Mateo Services
San Mateo homeowners call us most often for these three services:
Gate Repair in San Mateo
We repair sagging gates, misaligned tracks, broken hinges, and corrosion damage throughout San Mateo’s varied housing stock. In older neighborhoods like Aragon, we regularly find wrought-iron gates on original post footings whose hardware predates current UL 325 safety-sensor requirements. Every repair includes a written price before work begins and a photographed record of what we found and fixed. Gate Repair in San Mateo.

Gate Installation in San Mateo
New gate installation in San Mateo requires attention to marine-air corrosion resistance and, in many eastern neighborhoods, reinforced post footings for bay-fill soil conditions. We measure, specify materials rated for salt-air exposure, and provide a written price before ordering. Our installations include full documentation of post depth, concrete spec, and hardware torque settings. Gate Installation in San Mateo.

Gate Motor & Opener in San Mateo
San Mateo’s high rate of automated gates means we service more app-integrated and smart-home-connected operators here than in most Peninsula cities. We work on nine major brands including Ghost Controls and Mighty Mule, and we stock common failure parts for faster turnaround. Every motor service includes limit-switch readings and a photo log of adjustments. Gate Motor & Opener in San Mateo.

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.
Before
AfterGate Access Control in San Mateo

San Mateo’s tech-forward homeowner base has driven demand for sophisticated access control systems that integrate with home automation platforms, from basic keypad entry to full video intercom with remote unlock. The salt-air corrosion that affects mechanical gate hardware here also attacks outdoor-rated control enclosures, circuit boards, and connection terminals - meaning electrically integrated gate repair, not just mechanical fixes, is the dominant service call in this market. We service and repair Gate Access Control systems across all San Mateo neighborhoods, with technicians who carry diagnostic tools for both legacy wired and modern wireless systems.
Keypad Entry
Signs you need it
Buttons stick or fail to register, the backlight flickers or dies, or the gate fails to release after correct code entry.
What it costs in San Mateo
Keypad repair or replacement typically runs $280-$450, while upgrading to a weather-resistant marine-grade unit ranges $340-$580.
How we do it
We test voltage at the keypad terminal, inspect for corrosion on the ribbon cable or terminal block, replace the unit if internal damage is found, and photograph the wire map before and after.
Video Intercom
Signs you need it
Video feed is distorted or absent, two-way audio cuts out, or the door release fails to trigger from the indoor station or app.
What it costs in San Mateo
Video intercom troubleshooting and repair generally costs $340-$780, with full system replacement for integrated smart-home units running $680-$1,400.
How we do it
We verify power and data at the camera station, test cable continuity for underground runs, check IP configuration on network-based systems, and document resolution settings and port assignments.
What Gate Access Control Costs in San Mateo
| Item | Typical range in San Mateo |
|---|---|
| Keypad entry repair/replacement | $280 - $450 |
| Marine-grade keypad upgrade | $340 - $580 |
| Video intercom repair | $340 - $780 |
| Video intercom full replacement | $680 - $1,400 |
Can you repair my gate keypad the same day in San Mateo?
Most keypad repairs are completed same-day because we stock replacement units for major brands and common corrosion-damaged components. Call (650) 293-9440 before noon for priority scheduling.
Will a new access control system work with my existing gate motor?
We test compatibility with your current operator before recommending any replacement - many DoorKing, Elite, and Mighty Mule motors accept modern keypad or intercom inputs without hardware changes.
Gate Parts & Welding in San Mateo

San Mateo’s salt-air environment destroys steel gate hardware faster than almost any other Peninsula city, and the root-heaved post footings in neighborhoods like Baywood and Aragon create structural failures that demand welding and fabrication, not just part swaps. We repair Gate Parts & Welding damage throughout San Mateo with mobile welding capability and a parts inventory selected for marine-environment durability.
Hinge Replacement
Signs you need it
The gate sags on the latch side, grinds against the post, or requires lifting to open - or the hinge pin is visibly corroded or seized.
What it costs in San Mateo
Standard hinge replacement runs $180-$340, while upgrading to stainless steel or sealed-bearing marine-grade hinges costs $260-$480.
How we do it
We support the gate with a temporary brace, remove the corroded hinge, weld or bolt in the replacement with proper shimming, and photograph the alignment before releasing support.
Post Replacement
Signs you need it
The gate post leans, the concrete footing is cracked or lifted by roots, or the gate binds despite hinge and track adjustments.
What it costs in San Mateo
Single post replacement with standard concrete footing costs $480-$780, and reinforced pier construction for bay-fill soil conditions runs $680-$1,100.
How we do it
We excavate the failed footing, set a new post on compacted base rock or a helical pier in unstable soil, pour concrete to grade, and realign the gate before the cure is complete.
What Gate Parts & Welding Costs in San Mateo
| Item | Typical range in San Mateo |
|---|---|
| Standard hinge replacement | $180 - $340 |
| Marine-grade hinge upgrade | $260 - $480 |
| Single post replacement | $480 - $780 |
| Reinforced pier (bay-fill soil) | $680 - $1,100 |
Can you weld my gate on-site in San Mateo?
We carry mobile welding equipment for steel and wrought-iron repairs at your property, including crack repair at stress points and fabrication of replacement pickets or scrollwork.
How long will a new post last in San Mateo’s salt air?
Galvanized steel posts with proper concrete footing last 10-15 years inland but 6-10 years in San Mateo’s marine zone - we recommend powder-coated or stainless options for longer service.
Brands We Service in San Mateo
We service and stock parts for nine major automation brands: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. Our San Mateo technicians carry common failure parts for DoorKing, Elite, and Mighty Mule systems specifically, reducing wait times for residential and light commercial repairs. our brands.
Pricing for Gate Repair in San Mateo, CA

| Service | Typical range in San Mateo |
|---|---|
| Keypad entry repair/replacement | $280 - $450 |
| Marine-grade keypad upgrade | $340 - $580 |
| Video intercom repair | $340 - $780 |
| Video intercom full replacement | $680 - $1,400 |
| Standard hinge replacement | $180 - $340 |
| Marine-grade hinge upgrade | $260 - $480 |
| Single post replacement | $480 - $780 |
| Reinforced pier (bay-fill soil) | $680 - $1,100 |
Prices in San Mateo run higher than inland Peninsula markets primarily due to marine-grade hardware requirements and the reinforced footings needed for bay-fill soil conditions. Under the Haven Standard Clause 1, every price is written and agreed before any work starts - no surprise invoice, no scope expansion without a new written quote.
Neighborhoods We Serve in San Mateo
We dispatch to all San Mateo neighborhoods with same-day availability for most access control and welding repairs. Response times average 45-90 minutes during business hours across the city.
- Baywood
- Aragon
- San Mateo Park
- Hayward Park
- Shoreview
Service Area - Cities Near San Mateo

Our crews serve the full Peninsula corridor from our Bay Area office, with regular dispatch to Burlingame, CA, Belmont, CA, San Carlos, CA, and Redwood City, CA. Each city shares some of San Mateo’s marine-air challenges, though salt exposure decreases west of the coastal hills.
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 About Gate Repair in San Mateo

Most San Mateo service calls for non-opening gates are scheduled same-day if you call before 2 PM. After-hours emergency calls reach a live person 24/7, with dispatch for true security-compromising situations.
Gate repair generally does not require permitting, but new installations or structural post replacement may trigger San Mateo building department review - we document all work and can provide the photos and specs needed if the city requests them.
We regularly coordinate with San Mateo HOAs on material, height, and automation requirements, and we provide the written scope and photo documentation that most associations require for architectural review approval.
Call (650) 293-9440 for a free estimate. We’ll deliver a written price before any work starts, and every visit includes a documented photo record under the Haven Standard.
What happens when you call
- 1A real person answersNo phone trees - talk to a local gate repair pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Mateo Customers Say
"Gate had been dragging for a year. They photographed the bent hinge post, explained why the operator kept faulting, and gave me a fixed price to correct both."
- Terrence B."They installed the opener and left me a diagram of the wiring and the limit settings. When I needed a second remote programmed I could do it myself."
- Nadine C."Our gate was hit by a delivery truck. They came out, documented the damage properly for the insurer, and the claim went through without an argument."
- Camille R.





Before
After
Before
After
Before
After