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
Gate work in San Mateo splits into two very different jobs. East of Highway 101, in the bay-flat neighborhoods like Shoreview and the streets just off East Third Avenue, we’re usually replacing corroded steel hardware on gates that gave out two or three years after installation. West of El Camino Real, in the hillside properties, we’re more often retrofitting automated driveway gates onto ranch homes and custom builds from the 1950s through the 1990s that never had gate infrastructure in the first place. The marine air here is the common thread. If your gate won’t open or swings loose on its hinges, call us at (940) 412-7340 and we’ll give you a written price before any work starts.
Why San Mateo Homes Are Different
San Mateo sits directly on the western shore of San Francisco Bay, and the eastern flatland neighborhoods get persistent salt-laden marine air that corrodes gate hardware faster than anywhere inland on the Peninsula. We routinely pull hinge brackets off gates in Shoreview that show deep pitting rust after just two or three years. Homeowners who moved here from places like Menlo Park or Los Altos are often surprised by the timeline, because inland gates simply don’t degrade this fast.
The housing stock matters just as much. Hillsdale, Beresford, and the tract neighborhoods east of Highway 101 are dominated by single-story ranch homes built between the 1950s and 1970s. Those driveways were poured for station wagons, not for automated swing gates. When a homeowner today wants a gate installed, we’re almost always retrofitting, which means the concrete pad, the operator mounting, and the power run all have to be planned around landscaping and setbacks that predate the gate by decades. The western hillside properties are different: larger custom homes from the 1970s through the 1990s that more often have an existing gated entry, but the operator inside it is now 20 to 30 years old and due for modernization. The work here bends toward upgrades and modernization rather than first-time installation.
Our Main San Mateo Services
Most San Mateo homeowners call us about one of two things: a gate that has stopped working, and a gate that was never there in the first place. Here’s what each job looks like in this city.
Gate Repair in San Mateo
Gate repair in San Mateo usually means corroded hinges, a sagging leaf, or a wheel assembly that has seized up on a sliding gate. In the eastern neighborhoods especially, the hardware fails before the gate frame itself. We stock steel and powder-coated replacement hardware for the common ranch-home gate setups across Hillsdale and Beresford, so most repairs are completed in one visit. If a hinge pin has rusted through or a gate post has shifted in the clay soil, we’ll tell you what’s involved and give you the price in writing before we touch a bolt. Gate Repair in San Mateo
Gate Installation in San Mateo
Most gate installations in San Mateo are retrofits onto driveways that were never designed for them. That means measuring the existing concrete approach, accounting for the sidewalk setback on streets in Beresford and Hillsdale, and choosing a gate material that can handle bay air. On the east side of town, we steer homeowners toward powder-coated aluminum or hot-dip galvanized steel from the start, because bare steel simply won’t last here. We handle the full scope, from the initial measure to the final hinge alignment. Gate Installation in San Mateo
Electric Gate Repair in San Mateo
Electric gate repair in San Mateo brings the marine layer into the operator housing. Moisture intrusion into the control board, corroded limit switch terminals, and failing capacitors are the calls we take most often in the bay-flat neighborhoods east of 101. On hillside properties, it’s more often a worn-out actuator on a gate that weighs more than the motor was sized for. We service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule operators, so the tech who arrives already knows your system. Electric Gate Repair 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.
Brands We Service in San Mateo
We carry parts for both the budget and premium brand systems most common in San Mateo: FAAC, BFT, and Linear are on our trucks more days than not, and Viking boards and remotes are a regular order for the hillside estates. Most common-brand breaks get fixed the same visit. For a fuller list of systems we cover, see our brands.
Pricing for Gate Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Swing gate hinge replacement | $180 - $340 |
| Gate wheel or roller replacement | $150 - $300 |
| Gate frame rust repair and restoration | $300 - $850 |
| Wood gate rebuild (same footprint) | $650 - $1,800 |
| Operator electrical troubleshooting and repair | $200 - $575 |
| Standard swing gate actuator swap | $700 - $1,500 |
| Sliding gate motor replacement | $800 - $2,000 |
| Basic single swing gate with motor | $3,000 - $7,500 |
| Long or double-swing driveway gate | $8,000 - $20,000 |
Prices in San Mateo lean toward the upper end of these ranges when the job is east of 101, because corroded hardware takes longer to remove and often requires replacing mounting plates that inland gates would not need touched. The other driver is the driveway itself: retrofitting an operator onto a 1960s ranch home in Beresford or Hillsdale frequently means concrete work for the pad and a longer power run. Whatever the job is, you’ll get the price in writing before we start. No exceptions, and that’s the same on every single visit.
Neighborhoods We Serve in San Mateo
We work across all of San Mateo, from the bay flats to the western hills. Most repair calls get a technician on site the same day or the following morning, depending on when you reach us.
- Shoreview
- Hillsdale
- Beresford
- San Mateo Park
- East San Mateo
Service Area – Cities Near San Mateo
Beyond San Mateo, we regularly serve the neighboring Peninsula cities. If your gate is in Burlingame, CA, Belmont, CA, Millbrae, CA, or San Carlos, CA, the same written price and the same 365-Day Done Right Promise apply. Each Portcullis location is independently owned and operated, but the Kingswell Guarantee is the same everywhere: written price, real arrival window, clean job site, and written guarantee on the repair.
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
In most cases, yes. If you call before early afternoon, we can usually get a technician to your San Mateo property the same day for repair work. Installations and new gate builds are scheduled in advance with a firm arrival window, not a same-day dispatch. Call (940) 412-7340 and we’ll tell you exactly when we can be there.
Many automated gate installations in San Mateo require a permit, particularly when a new operator involves electrical work or the gate sits near the public right-of-way. We’ll walk you through what applies to your specific property. Your written quote will reflect any permitting scope before you agree to anything.
We do. Several San Mateo neighborhoods have design review or HOA requirements for gate height, materials, and automation. We’ll prepare the specifications your HOA needs and work through their approval process with you. The finished gate stays within the written price we quoted before the job started.
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 was dragging and screeching across the driveway. I figured I'd need a whole new setup. He adjusted the track and rollers and it was a fraction of what I expected. Honest work."
- Omar Haddad"Our intercom and gate motor both quit. They fixed the whole system in one visit and explained the warranty clearly. On time, polite, and tidy. Can't ask for more."
- Yvette Marchetti"Good repair on a sagging gate and a new hinge welded on. Took them a couple days to get the part in, but they told me that up front and it's been solid since."
- Hector Villanueva