Fast, Reliable Gate Motor & Opener Across San Bruno
Gate motor repair in San Bruno typically runs $280–$650, with most service calls completed same-day. If your automatic gate is humming without moving, reversing randomly, or not responding to the remote, the motor or opener is usually the culprit.
We’ve been working in San Bruno long enough to know that gate motors here live harder lives than almost anywhere else on the Peninsula. The San Bruno Gap funnels persistent, salt-laden winds straight through the city, and that wind carries a real cost for automatic gates. Frank Delgado and our crew have replaced more corrosion-seized operators in San Bruno than in Millbrae and Burlingame combined. From Crestmoor to the older tract homes near San Bruno Avenue, we see the same pattern: motors that should last 10–15 years giving out in 6–8 because of what the Gap does to bearings, limit switches, and electrical connections. Call us at (855) 671-2951. We’ll diagnose it on-site and give you a straight answer on whether repair or replacement makes sense.
Why Sierra Gate Repair San Diego Is San Bruno’s Preferred Gate Motor & Opener Company
Frank Delgado built this business over 20 years doing nothing but gates. Not fences. Not garage doors. Gates. That focus matters when you’re troubleshooting a 1960s slide gate operator that’s been patched three times by generalists who didn’t understand the original system.
Our 375 verified reviews average 4.9 stars, and a solid chunk of those come from repeat customers in San Bruno who called us back after we fixed their neighbor’s gate on Rollingwood Drive or replaced a wind-damaged operator near Skyline Boulevard. Word travels fast in a city this size.
We’re typically on-site in San Bruno within 90 minutes to 2 hours of a call. We know the local street grid, the parking constraints around the older postwar neighborhoods, and which suppliers in the area stock parts for legacy operators that most shops won’t touch.
Here’s what separates us from the handyman who says he “does gates too.” We carry in-house welding equipment, fabricate broken frames on-site, and stock parts for nine major operator brands. When your gate post has racked from years of northwest wind pressure, we don’t call a subcontractor. We replumb it, pour a reinforced footing, and realign the motor in the same visit.
Our Gate Motor & Opener Services in San Bruno
Motor Installation
New gate motor installation in San Bruno runs $850–$2,400 depending on gate size, access to power, and whether we’re retrofitting an old system or starting fresh. We install operators from LiftMaster, FAAC, BFT, Linear, Viking, and others, but we pay special attention to corrosion resistance and mounting strength because of the Gap winds. A motor that works fine in San Jose often fails early here. We spec reinforced brackets, sealed housings, and we always verify that the gate frame and posts can handle the added stress before we bolt anything down.

Motor Repair
Repair calls in San Bruno usually involve seized bearings, failed limit switches, or control boards damaged by moisture infiltration. Typical motor repair costs $280–$550. We’ll open the housing, assess the damage, and tell you honestly if the internals are too far gone. Sometimes a control board replacement and new waterproof junction box gets you another five years. Sometimes the housing itself is rusted through and replacement is the smarter money. We don’t guess. We test everything on-site and show you what we found.

Linear Motor Service
Linear actuators are common on the single-swing gates found in San Bruno’s older neighborhoods, especially the compact driveways off El Camino Real where a swing arm needs to tuck tight against the fence. Linear motor repair runs $320–$580; replacement with a new Linear unit or comparable brand is $720–$1,400. These motors are exposed by design, so the salt-laden Gap winds hit them directly. We see a lot of scored piston rods and leaking seals. When we replace one, we add protective boots and recommend a service interval that’s shorter than the manufacturer suggests.

Slide Motor Specialists
Slide gate motors take the worst beating in San Bruno. The gate’s own weight, plus wind loading on the panel, transfers directly to the drive mechanism. Repair runs $340–$620; new installation with a heavy-duty operator like the FAAC 740 or Viking L-3 is $1,100–$2,200. We always check the track alignment and roller condition before installing a new motor. A motor can’t compensate for a gate that’s binding or a track that’s settled. On a windy November morning, we replaced a rusted-out LiftMaster LA400 slide motor on a 1950s-era wrought-iron gate in the Crestmoor neighborhood. The original operator had seized after years of exposure to Gap winds; our crew installed a new FAAC 740 with a reinforced mounting bracket to withstand the lateral stress.

Battery Backup Systems
Power outages during Peninsula storms can leave you stranded behind a dead gate. Battery backup installation runs $380–$720 depending on gate weight and cycle requirements. For San Bruno’s windy conditions, we spec sealed AGM batteries with higher cold-cranking capacity, not the standard gel cells that competitors install. The wind resistance means your motor draws more amps per cycle, especially on cold mornings. A marginal battery fails fast here. We size for the real load, not the catalog spec.

Intercom Integration
We wire and program intercom systems to work with your existing or new gate operator, including smartphone-enabled models. Intercom integration with motor service runs $480–$950. In San Bruno’s hilly terrain, signal range matters. We test everything at the street before we leave, not from the porch.

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.
Trusted Brands We Service in San Bruno
We work on virtually every major gate operator brand, including FAAC, BFT, Linear, and Viking. Our shop stocks common control boards, gear sets, and replacement motors for these brands, which means faster turnaround for San Bruno customers. We don’t have to order a FAAC 740 gear assembly from back east and make you wait a week. For the brands we don’t stock heavily, our 20-year supplier relationships usually get parts here in 24–48 hours. That’s the difference between a dedicated gate shop and a general handyman who orders from Amazon and hopes.
Common Gate Motor & Opener Problems We See in San Bruno Homes
- Wind-driven corrosion seizes motor bearings and limit switches. The salt-laden Gap moisture penetrates housing seals over time, causing intermittent operation or total failure. We see this most on operators mounted perpendicular to the prevailing northwest wind.
- Racking of gate posts from persistent wind misaligns drive mechanisms. When posts lean even slightly, the motor’s chain or belt binds against the sprocket or pulley. The overload sensor trips repeatedly, and eventually the control board fails from the strain.
- Salt moisture degrades outdoor electrical connections. Junction boxes and conduit fittings that are merely “weather-resistant” by catalog standards corrode internally in San Bruno’s climate. Short circuits and control board failures follow.
- Aging gate frames overload undersized replacement motors. Many San Bruno homes still have original 1950s–60s wrought-iron gates that have sagged or bent. A new motor rated for the original gate weight struggles with the actual friction and misalignment, burning out prematurely.
Pricing for Gate Motor & Opener in San Bruno, CA
| Service | Typical Range in San Bruno |
|---|---|
| Diagnostic service call | $85–$120 (credited toward repair) |
| Motor repair (parts + labor) | $280–$550 |
| Linear actuator repair | $320–$580 |
| Slide motor repair | $340–$620 |
| New swing gate motor installed | $850–$1,800 |
| New slide gate motor installed | $1,100–$2,400 |
| Battery backup system | $380–$720 |
| Intercom integration with motor | $480–$950 |
What moves the needle within these ranges? Gate size and weight, access to 110V power at the gate location, whether the existing post or footing needs reinforcement, and how much corrosion damage we’re working around. A motor replacement on a clean, plumb gate with good wiring takes half the time of the same job where we’re also replacing a rusted junction box and realigning a wind-racked frame. We price by the actual work, not by a flat rate that overcharges simple jobs or undercovers complex ones. Estimates are free. Call (855) 671-2951 and we’ll come look at it.
We Also Serve Cities Near San Bruno
Our Gate Motor & Opener team regularly works in Millbrae, South San Francisco, Pacifica, and Burlingame. Each city has its own microclimate and housing stock, and the failure patterns we see in Pacifica’s fog exposure or Burlingame’s newer construction differ from San Bruno’s Gap-wind corrosion. We adjust our recommendations accordingly.
Serving San Bruno, CA — Our Local Coverage Area
We’re based in the San Bruno 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 — Gate Motor & Opener in San Bruno
The San Bruno Gap funnels persistent, salt-laden winds through the city, accelerating corrosion on motor housings, bearings, and electrical connections far beyond what motors experience in sheltered inland cities. We typically see San Bruno operators requiring major service at 6–8 years versus 10–15 years in calmer microclimates. Call (855) 671-2951 for a free inspection if your motor is approaching that age.
Repair makes sense when the control board or a single component has failed and the motor housing and mechanicals are still sound. Replacement is the better investment when corrosion has compromised multiple systems, parts are obsolete, or the original motor was undersized for your gate’s actual weight and wind load. We evaluate both options on-site and give you real numbers for each path. Call for a free estimate.
Sealed AGM batteries with higher cold-cranking capacity outperform standard gel cells here because the wind resistance forces motors to draw more amperage per cycle, especially on cold mornings. We install battery systems sized for the actual load, not the manufacturer’s baseline spec. For a specific recommendation on your gate, call (855) 671-2951.
Not necessarily a larger motor, but almost always a better installation. We spec reinforced mounting brackets, corrosion-resistant hardware, and we verify that your gate posts and frame can handle the lateral stress before bolting anything down. A properly mounted mid-duty operator often outlasts a heavy-duty one installed without wind-load consideration. We assess this on every San Bruno job.
Every 8–10 months for San Bruno properties, versus the 12-month interval that works fine in calmer climates. The Gap winds deposit salt and grit that standard service intervals don’t account for. A quick lube, hardware check, and electrical inspection catches corrosion before it reaches the control board. Call (855) 671-2951 to schedule.
Written by Frank Delgado, Owner at Sierra Gate Repair, serving San Bruno since 2004.