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
Calder Gate Repair is the gate specialist San Mateo homeowners call when a driveway gate stops opening, a keypad goes dead, or an electric gate starts slamming shut. We handle gate repair, electric gate repair, and gate opener repair across the city, from the hillside streets of Baywood Knolls to the flat lots near Parkside. Most gate and opener issues in San Mateo are repairable same-day or next-day, and every job starts with a written price before any work begins. Call (903) 417-0793 and you’ll get a live person, not a voicemail.
Why San Mateo Homes Are Different
San Mateo’s gate problems tend to follow a few patterns tied directly to the city itself. Many homes here sit on narrow, deep lots where driveway gates run close to the house, which means noise matters: a failing opener gear or a dry hinge sounds louder when it’s fifteen feet from a bedroom window. The marine air that rolls in off the Bay keeps mornings damp for much of the year, and we routinely see the result on San Mateo jobs: corroded limit switch contacts, rusted hinge bolts, and opener circuit boards that fail from moisture intrusion more often than they should.
Older neighborhoods like Shoreview and the Aragon area have a mix of original 1950s and 1960s iron gates alongside newer aluminum replacements. On those older San Mateo gates, the original hinges and posts were rarely sized for the weight of a modern opener retrofit, which leads to exactly the stress cracks and stripped mounting bolts we see on service calls. Hillside properties in Baywood and the San Mateo Highlands face another reality: a gate on a slope has to fight gravity on every cycle, so opener motors, gear assemblies, and safety sensors wear faster than they would on flat ground. A tech who only knows flat-lot gates will misdiagnose these San Mateo jobs half the time.
Our Main San Mateo Services
The three services San Mateo homeowners call Calder for most often are full gate repair, electric gate repair, and gate opener repair. Each has its own dedicated San Mateo page below with pricing, brand details, and what to expect.
Gate Repair in San Mateo
A sagging or binding gate in San Mateo usually means one of three things: worn hinge bearings, a post that has shifted in the clay soil, or a gate frame that was never true to begin with. We fix all three, and we do it so the gate swings or slides the way it did when it was installed. San Mateo’s ocean air adds one complication many owners miss: hinge pins and bolts rust faster here than inland, and when they seize, the gate gets heavier before it fails. A quick call gets a written price, and most San Mateo gate repairs are done the same visit. Gate Repair in San Mateo
Electric Gate Repair in San Mateo
Electric gates in San Mateo run on a chain of components: the opener motor, the control board, safety photo eyes, limit switches, and the wiring that connects them. When one part fails, the whole gate misbehaves, and the trick is finding the real culprit instead of throwing parts at it. The damp Bay air we get in San Mateo is a common thread in many electric gate failures, especially corroded terminals and shorted sensors near the coast. We troubleshoot the entire system, quote the fix before we touch anything, and back it with our 365-Day Done Right Promise. Electric Gate Repair in San Mateo
Gate Opener Repair in San Mateo
When your San Mateo gate opener hums but doesn’t move, reverses at the wrong time, or refuses to respond to the remote, it’s usually the opener itself rather than the gate. We repair openers from LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule, which covers nearly every brand installed in San Mateo homes. Because we stock common parts locally, many opener repairs in San Mateo are completed in one trip, with no return visit needed. You get a live, trackable arrival time and a written price before work starts. Gate Opener 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
Calder Gate Repair works on all major gate opener brands found in San Mateo, including FAAC, BFT, Linear, and Viking. Our technicians carry common control boards, remote receivers, safety sensors, and limit switches for these brands on local trucks, which means faster turnaround on typical San Mateo repairs. See our brands for the full list.
Pricing for Gate Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Gate opener repair | $180 – $340 before parts |
| Electric gate repair | $190 – $380 before parts |
| General gate repair | $160 – $350 |
| Diagnostic visit | $70 – $90 |
| Hinge replacement | $150 – $280 |
| Welding and crack repair | $180 – $420 |
| Safety sensor replacement | $130 – $240 |
| Limit switch replacement | $120 – $220 |
| Remote and receiver programming | $80 – $160 |
| Post replacement or reset | $220 – $500 |
Prices in San Mateo can run to the higher end when a gate sits on a hillside and the opener has been working against grade for years, or when coastal corrosion has spread beyond the first failed part. Whatever the job, the number we quote is the number you pay – written before any work, no surprise line items.
Neighborhoods We Serve in San Mateo
Calder Gate Repair covers all of San Mateo, with technicians dispatched locally from the brand’s San Francisco Bay Area office. We’re in most parts of the city within 60 to 90 minutes for scheduled calls, and we offer emergency dispatch for gate failures that leave a driveway unsecure.
- Baywood / Baywood Knolls
- Aragon
- Shoreview
- Parkside
- San Mateo Highlands
Service Area – Cities Near San Mateo
Beyond San Mateo, Calder Gate Repair serves the surrounding Peninsula communities with the same written-price guarantee and live 24/7 phone support. If you’re in Burlingame, CA, Belmont, CA, Millbrae, CA, or San Carlos, CA, we can usually schedule a San Mateo-area technician for the same week.
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 non-emergency repairs in San Mateo are scheduled within 24 to 48 hours, and we keep same-day slots available for urgent jobs. A live person answers our phone 24/7 and can tell you the next open window without any phone tag.
For most repairs, no. Replacing a failed opener, hinge, or sensor on an existing gate doesn’t require a permit in San Mateo. If your home is in an HOA that regulates gate appearance, it’s worth checking your community’s rules before we change hardware or color.
Coastal corrosion sometimes means replacing two worn parts instead of one, which can push a repair to the higher end of the range. But the diagnosis and written quote come first, so you’ll know the exact figure before you approve anything. Call (903) 417-0793 for a free estimate.
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
"Booking was easy and the job was done quickly."
- Seth R."Swing gate arm replaced and aligned. Got photos of the old part by text."
- Nadia F."Quote came in the app before the visit. No surprise at the end."
- Ginny L.