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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AfterGate Company in San Mateo, CA
Warden Gate Repair handles gate repair throughout San Mateo, from the bayside flats of Shoreview through the hill streets of Laurelwood and San Mateo Highlands. This city’s mix of 1950s ranch homes with original ornamental iron gates and newer hillside properties with electric slide and swing operators means gate troubles here don’t follow one pattern. Salt-heavy bay air eats hardware near El Camino Real east to the water, while slope drainage and hinge stress define the western neighborhoods. Call (828) 426-7081 and you’ll reach a live person who can schedule a tech with a name, a photo, and a written price before any work begins.
Why San Mateo Homes Are Different
San Mateo’s gate problems split along a geographic line. East of Highway 101 in Shoreview and the Bayside flats, persistent salt-laden marine air from San Francisco Bay corrodes steel and wrought iron much faster than in inland Peninsula cities. In those blocks, powder-coat finishes routinely undercut at welds within eight to twelve years. The fix that lasts is stainless or hot-dip galvanized hardware, best spec’d as a baseline on any repair within a few blocks of the water, not treated as an upgrade.
The city’s postwar housing stock creates a second pattern. Ranch homes from the late 1940s through the 1970s in Fiesta Gardens, Beresford, and Shoreview still carry many original ornamental iron gates. Those gates are now far past service life, with seized hinges, failed welds, and deep pitting from decades of fog-and-salt cycling. Meanwhile the hillside west, particularly Laurelwood and San Mateo Highlands, holds longer driveways on sloped lots where electric gate operators need careful mounting grade and post drainage. Each of these conditions changes what a sensible repair looks like, and a one-size approach from a shop in a drier city won’t know the difference.
Our Main San Mateo Services
Most San Mateo homeowners call us for one of three things: a gate that won’t move, an electric operator that gave out, or a motor that hums but won’t drive. Each has its own San Mateo page with detailed pricing and troubleshooting.
Gate Repair in San Mateo
A sagging, seized, or rust-through gate on a San Mateo ranch home almost always traces to hinges, welds, or post movement. In Shoreview and Bayside, we frequently cut out corroded hinge mounts and weld in new ones with stainless hardware, because standard replacements fail early in bay air. We level, re-hang, reinforce, and remediate rust before repainting. See typical San Mateo costs and the full repair scope on the Gate Repair in San Mateo page.
Electric Gate Repair in San Mateo
Hillside homes in Laurelwood and San Mateo Highlands lean hard on electric swing and slide gates. The common failures there involve controller boards, safety photo eyes losing alignment, and actuator arms that strip or bind when a post shifts on sloped ground. We carry factory parts for the major brands and diagnose before quoting, so the number we show you is the number you pay. Read more about what’s covered, including the 365-Day Done Right Promise, on the Electric Gate Repair in San Mateo page.
Gate Motor Repair in San Mateo
When the motor runs but the gate stays put, or the motor is dead, the cause is usually a failed capacitor, stripped gear, or a control board that has lost its limits. In San Mateo’s marine-air zones, we also see corroded terminal connections inside the motor housing long before the motor itself fails. Our techs field-replace the failed component rather than pushing a full operator swap unless the housing has rotted through. See line-item pricing and brand lists on the Gate Motor Repair in San Mateo page.
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.
Brands We Service in San Mateo
Our trucks stock common service parts for FAAC, BFT, and Linear, and we’re factory-trained on Viking and the other leading operators in our brands line. That means most San Mateo motor and controller replacements happen in one trip, not two.
Pricing for Gate Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Gate repair, minor (hinge bolt, latch, small weld) | $120 – $280 |
| Gate repair, moderate (re-level, weld reinforcement, hinge replacement) | $300 – $700 |
| Full gate frame rebuild | $750 – $1,800 |
| Electric gate controller board replacement | $350 – $800 |
| Electric gate safety sensor replacement | $160 – $320 |
| Actuator arm replacement (swing gate) | $450 – $1,100 |
| Gate operator motor replacement | $600 – $1,400 |
| Complete gate operator install with panel, motor, controls | $2,800 – $5,500 |
| Gate motor capacitor or limit-switch repair | $140 – $280 |
| Gate motor gearbox replacement | $400 – $900 |
Two things push San Mateo prices toward the top of a range: severe salt corrosion in bayside neighborhoods, where rusted frames and hinge mounts take longer to remediate properly, and sloped hill lots where operator mounting demands more leveling and drainage work. Whatever the number, you’ll see it in writing before we start, and that number is fixed.
Neighborhoods We Serve in San Mateo
We cover all of San Mateo. Most repair calls in the flatlands we can reach same day, and hillside slots in Laurelwood and San Mateo Highlands typically schedule within one business day.
- Shoreview and Bayside flats
- Fiesta Gardens
- Beresford
- Laurelwood
- San Mateo Highlands
Service Area – Cities Near San Mateo
Beyond San Mateo proper, our techs regularly work the mid-Peninsula. We cover Burlingame, CA to the north, Belmont, CA and San Carlos, CA to the south, and Millbrae, CA up toward the bay. Dispatch and scheduling are coordinated from the brand’s San Francisco Bay Area office, with crews serving San Mateo locally.
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 Company in San Mateo
Most flatside San Mateo repair calls are answered same day. Hillside neighborhoods like Laurelwood and the Highlands usually schedule within one business day. A live person at (828) 426-7081 confirms the slot, and you get the tech’s name and photo before arrival.
Most repairs to an existing gate do not require a city permit. New gate installations or major driveway work can, and some hillside HOAs have their own review process. We’ll flag what looks relevant at the quote stage, so nothing gets missed.
Yes, and it’s the most common failure we see there. We replace rotted hinge mounts, cut back pitted steel, and spec stainless or hot-dip galvanized hardware as standard within a few blocks of the bay. Call (828) 426-7081 for an exact quote. Estimates are free.
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
"Fair price and no pushing a whole new gate when all I needed was a new motor capacitor."
- Shirley A."The vetted tech thing was important since our gate protects the whole property. Careful, polite, and walked me through every safety sensor."
- Russell W."Swing gate wouldn't latch after the hinge sagged. He re-hung it, adjusted the hinge pins, and fixed the latch. Quoted before starting."
- Annette R.