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
Latch & Post Gate Repair handles gate repair, installation, and electric gate work for San Mateo homes, and the job here is shaped by two things most of the Bay Area doesn’t deal with: bayfront salt air and a housing stock that’s now 50 to 70 years old. That combination means hinges rust faster in Shoreview than they would in Redwood City, and wooden gates from the 1960s are swelling, binding, and pulling posts out of line in ways newer construction never does. If your gate sticks, sags, or won’t open, call us at (626) 649-4572 and we’ll give you a written price before any work starts.
Why San Mateo Homes Are Different
San Mateo’s eastern edge runs right along the bay, and neighborhoods like Shoreview and North Shoreview sit close enough to the water that the daily marine layer leaves a fine salt film on exposed metal. That salt works into gate springs, strike plates, and automatic operator housings, and we see rust timelines here that run two to three times faster than what homeowners in San Carlos or Belmont expect. A set of zinc-plated hinges that would last years inland can show surface rust before the first winter is over this close to the water. We’ve learned to treat stainless-steel or marine-grade powder-coated aluminum as the baseline for Shoreview jobs, not an upgrade.
Layered on top of that is the housing stock itself. Much of San Mateo was built as post-war ranch homes and mid-century tract development between the 1950s and early 1970s, and a large share of side-yard and driveway gates are original installs or first replacements now 40 to 60 years old. In the hillside San Mateo Highlands area, sloped lots create a different problem: gate posts shift over time on grade, and swing gates need to be re-hung and adjusted for the slope in a way the flat bay-side grid never requires. Winter storms from November through March make wooden gate panels swell, which binds latches and overloads automatic openers that weren’t sized for the extra resistance.
Our Main San Mateo Services
These are the three jobs San Mateo homeowners call us about most. Each has its own dedicated page with local pricing, timelines, and detail, but here’s the short version of what’s involved.
Gate Repair in San Mateo
Most repair calls in San Mateo come down to three things: a post that’s rotted or shifted out of plumb, hardware that’s rusted from bay air, or a latch that no longer lines up. We rebuild the post base, replace hinges and bearings with marine-grade hardware where the home is close to the water, and re-set the gate so it swings or slides cleanly. If the gate is wood and the panels have swollen from winter rain, we’ll plane and re-seal rather than force a fix that fails again in March. Gate Repair in San Mateo
Gate Installation in San Mateo
Installation work in San Mateo usually means replacing a 1960s-era wood gate with something built for the conditions here. We measure for the actual slope of the yard, set posts in concrete below the root line of any nearby trees, and choose hardware that can handle salt air if the home is east of El Camino. You’ll get a drawn quote with material options and the exact layout before anything is ordered, so there’s no surprise when the crew arrives. Gate Installation in San Mateo
Electric Gate Repair in San Mateo
Electric gate problems in San Mateo tend to concentrate in two places: the operator motor housing, which takes the brunt of the salt air on bayfront properties, and the safety edges and photo eyes that get fouled by wind-blown debris and salt film. We service FAAC, BFT, Linear, and Viking operators, diagnose the failing component on site, and replace it without recommending a full system swap unless the panel has genuinely reached the end of its life. 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
Our technicians are factory-trained on the gate openers San Mateo actually has installed: FAAC, BFT, Linear, and Viking. We keep common replacement boards, remotes, and safety components stocked in our Bay Area office, which means most electric gate repairs don’t wait on a parts shipment. See our brands for the full list.
Pricing for Gate Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Standard gate-latch replacement | $140-$260 |
| Hinge replacement (pair, steel or powder-coated aluminum) | $180-$320 |
| Wood gate panel replacement (standard side-yard size) | $450-$900 |
| Gate post reset (concrete footing, includes hardware re-alignment) | $350-$650 |
| Driveway gate sag repair (re-hang and adjust, steel or aluminum) | $300-$550 |
| Automatic opener diagnostic call (no parts) | $95-$180 |
| Operator board or control board replacement | $350-$750 |
| Safety edge or photo eye replacement | $180-$380 |
| Full electric gate opener replacement (residential, standard arm or slide) | $2,200-$4,500 |
| Marine-grade hardware upgrade package (hinges, bolts, strike plate) | $220-$500 |
Prices in San Mateo run slightly higher for bayfront homes because the hardware spec has to change: marine-grade stainless and powder-coated aluminum cost more than zinc-plated steel, and skipping that step means a callback in 12 to 18 months. Whatever the number, you’ll see it in writing before we touch anything, and that’s the price you pay.
Neighborhoods We Serve in San Mateo
We work across San Mateo, from the bayfront blocks to the hills. Most calls get a same-day or next-day visit, and we schedule around school runs and nap times when that matters.
- Shoreview
- North Shoreview
- San Mateo Highlands
- Baywood
- Aragon
Service Area – Cities Near San Mateo
Along with San Mateo, we take gate repair and installation calls in Burlingame, CA, Belmont, CA, Millbrae, CA, and San Carlos, CA. If you’re on the edge of San Mateo and want to confirm we cover your street, call us and we’ll tell you straight.
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 San Mateo repair calls are handled same-day or next-day. Electric gate diagnostics are usually scheduled within 24 to 48 hours. We’ll give you a firm window when you call (626) 649-4572, and the written price is always provided before work begins.
Some San Mateo HOAs, particularly in newer developments, require design review before a driveway gate changes style or height. We’ll flag that early and help you understand what your association needs, but the written estimate doesn’t depend on it. Most standard repairs don’t trigger permits.
Yes. Homes east of El Camino Real, especially in Shoreview and North Shoreview, get enough salt exposure that standard zinc-plated hardware fails within a season or two. We specify marine-grade stainless or powder-coated aluminum as the default there, and the price reflects that spec up front, not as a surprise.
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
"Our gate opener quit and they came out quick. The tech was careful not to leave the yard open while our dog was out, which I really appreciated. Clean work, swept up the metal shavings."
- Eleanor Boggs"New hinges welded on a heavy gate. They laid down protection so no sparks hit the driveway and cleaned every bit after. Respectful of the property and the result is solid."
- Derek Pulanco"Electric gate was acting up. He was calm and methodical, found the bad sensor, and tidied the whole area by the gate post when he finished. No grease left on the driveway."
- Ravi Menon