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.
Fast, Reliable Electric Gate Repair Across San Bruno
Electric gate repair in San Bruno typically runs $180 – $340 for common opener and control board fixes, and most jobs are completed the same day our technician arrives. We work the fog belt from Crestmoor to the Bayshore corridor daily, so we know what salt air does to hinge posts and what commercial cycle counts do to operators. If your gate is sagging, groaning, or refusing to open, call (828) 426-7081 and you’ll get a real person who can schedule a visit and send you the tech’s name and photo before they arrive.
Why Warden Gate Repair Is San Bruno’s Preferred Electric Gate Repair Company
San Bruno homeowners call us because we tell them exactly who is coming to their door before that person sets foot on their property. Every Warden technician is background-checked, identity-verified, and photo-badged under what we call the Threshold Standard, and you receive their name and photo ahead of time. When the tech arrives, they show the same photo ID badge at your door. For a homeowner who is often home alone, or a parent with kids, that detail matters more than any slogan.
We have worked the gate systems of this city long enough to know that a 1958 wrought iron swing gate near San Bruno Avenue fails differently than a 2014 Crestmoor rebuild install, and differently again from a commercial slide gate off Airport Boulevard. Not every shop stocks for all three. Our local inventory is built around what actually fails here, so most repairs are one visit, not two.
Cole Rafferty leads our team and has spent years diagnosing gate systems across the Peninsula. You’ll see his influence in how we quote: the written price comes before any work begins, every time. No line items that appear later. No “while we’re here” additions.
Read more about our process on the Electric Gate Repair page.
Gate Opener Repair in San Bruno
Gate Opener Repair in San Bruno is usually about one of two things: a motor that has burned out fighting a rusty, out-of-plumb gate, or a control board that has been corroded by wet-dry fog cycles. On the western hillside streets where morning marine layer sits until ten or eleven, we routinely open an operator enclosure and find green fuzz on the board terminals. That is not a rare failure here. That is Tuesday.
What Gets Replaced
Most opener repairs involve either the motor itself (the box that swings or slides your gate automatically), the control board, or the limit switches that tell the gate where to stop. In San Bruno’s salt-air environment, we prefer sealed or conformal-coated boards on replacement, even when the original part was not. We’ll show you the failed part. We’ll quote the replacement in writing. Then we’ll do the work.
Cost on the Peninsula Side
Expect $220 – $340 for a typical San Bruno gate opener motor swap, depending on whether it’s a swing or slide unit. Board-only replacements run $180 – $260 in most cases. The quote you approve is the price you pay. Our 365-Day Done Right Promise covers that repair in writing, with a free return visit if anything about it fails within the year.
Automatic Gate Repair in San Bruno
Automatic Gate Repair in San Bruno covers the whole system: the opener, the safety sensors, the keypad, the remote receiver, and the gate hardware itself. The thing about automatic gates in this city is that the electronics almost never fail in isolation. A gate that is binding on a corroded hinge sends strain up the arm into the operator, which overdraws current, which cooks the transformer or the board. You hear the motor trying, then nothing.
Intermittent No-Open Faults
This is the classic San Bruno complaint: the gate works in the afternoon but not in the morning, or it works after a dry stretch but quits when the fog sits low for three days. More often than not, water has gotten into a conduit junction or an operator enclosure and is bridging a low-voltage circuit. We trace the wiring, dry it out, reseal it, and replace corroded connectors rather than throwing a new board at the problem and hoping.
Full-System Diagnostic
When we arrive, we check the gate’s plumb and swing before we touch the electronics. If the post has moved or the hinge is dragging, no new opener will last. On the western hillsides where the original posts are now 60 to 75 years old and rusting below grade, we often replace a hinge post and the opener in the same visit. A full diagnostic plus repair in San Bruno typically lands between $300 and $500 including parts and labor, always quoted before work starts.
Trusted Brands We Service in San Bruno
We are factory-trained on nine major gate and opener brands, and in San Bruno we see a heavy mix of Linear and DoorKing on the residential side with Viking and Ghost Controls on newer installs. Because we service these brands directly, we carry the boards, remotes, and safety edges that fail most often in this city’s conditions. That means a Crestmoor customer with a dead DoorKing board is not waiting a week for a part to ship. We often have it in the van.
Common Electric Gate Repair Problems We See in San Bruno Homes
- Hinge posts rusted through below grade. Salt-laden fog keeps the base of the post damp almost year-round. The gate looks fine until it starts dragging on the latch side, and by that point the opener may already have been overworking for months.
- Control boards corroded by wet-dry cycling. The marine layer here is remarkably consistent. Enclosure seals dry and crack, then fog condenses inside, then the afternoon sun bakes it dry again. That cycle kills boards and relays faster than constant moisture would.
- Intermittent no-open faults that mimic remote failure. Water intrusion at conduit junctions or terminal blocks can fool even experienced homeowners into replacing keypads and remotes. The fix is tracing the low-voltage path and resealing the junction, not swapping the handset.
- High-cycle commercial operators failing on residential installs. Along the Bayshore and Airport Boulevard corridors, some businesses installed residential-rated operators on gates that see hundreds of cycles a day from trucks and shift changes. Those operators cook. The fix is a commercial-rated unit plus a maintenance interval that matches actual usage.
Pricing for Electric Gate Repair in San Bruno, CA
Here is what San Bruno work realistically costs, in writing:
- Gate opener motor replacement: $220 – $340
- Control board replacement: $180 – $260
- Safety sensor or photo-eye replacement: $140 – $200
- Hinge post replacement with new concrete footing: $350 – $550
- Full diagnostic plus repair (common bundled job): $300 – $500
What moves the number: the age of the post footings, whether the gate is swing or slide, the brand of operator, and whether we are reusing existing conduit or pulling new low-voltage. You will always get the written price before any work begins. Estimates are free. Call (828) 426-7081 and we’ll walk through what you’re seeing.
We Also Serve Cities Near San Bruno
Our Electric Gate Repair in San Bruno team covers the city directly, and we regularly take calls from Millbrae, South San Francisco, Pacifica, and Brisbane as well. If you live just over the border, the same written-price and named-tech process applies. Call us and we’ll confirm scheduling for your street.
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 About Electric Gate Repair in San Bruno
San Bruno sits directly in the marine fog corridor that funnels off the bay, so your gate hardware stays wet most mornings of the year while inland Peninsula cities dry out by midday. That constant moisture, combined with salt in the coastal air, accelerates corrosion on hinge pins, post footings, and operator boards significantly faster than in San Mateo. The fixes that last here are galvanized posts, stainless hinge pins, and sealed or conformal-coated boards, which inland gates often never require. Call (828) 426-7081 and we’ll tell you what your specific gate actually needs.
In Crestmoor, the answer is often both, but the sequence matters. Many of the 2011 – 2013 rebuild homes hit their first opener replacement window around now, and the failure usually starts with the board: fog moisture gets into the enclosure, corrosion bridges a circuit, and the opener stops responding to remotes. The motor itself may still be fine. If you hear a humming or clicking but no movement, that points to the board or capacitor. If you hear nothing at all and the gate will not budge manually, the motor or gearbox may have seized. We diagnose it on site and show you the failed part before quoting the repair.
Because those gates log hundreds of cycles per day from delivery trucks and employee shift changes, which is far more than residential-rated operators and safety edges are built to survive. A standard residential operator might handle 10 to 20 cycles a day for a decade, but the same unit on a Bayshore logistics yard can hit that many before lunch. The result is burned-out motors, worn limit switches, and dead loop detectors at a rate that surprises business owners who just had the thing installed. We spec commercial-rated units and parts for that corridor, and we’ll tell you honestly if your current setup is underbuilt for the traffic on Airport Boulevard.
If the post is rusted below grade but the panel is still straight, you replace the post. That is the common situation on San Bruno’s western hillside homes from the 1940s through the 1960s, where the original wrought iron panels are often thicker than the post footings and survive decades longer. The failure we see most is post settlement and internal corrosion, which throws the gate out of plumb and makes the opener fight every cycle. Our techs cut out the failed footing, set a new galvanized post in fresh concrete, and reuse the panel when it is structurally sound. That usually costs $350 – $550 and is more cost-effective than replacing the entire gate assembly.
Yes. Automatic gate systems in California must comply with UL 325 safety standards, which require entrapment protection such as photo-eye sensors or contact edges on any automated gate that could injure a person or vehicle. San Bruno homeowners with older systems installed before those standards were adopted often find that their gate lacks proper sensors, which is both a safety liability and a repair trigger when the system fails. We check sensor coverage and alignment on every visit as part of the standard diagnostic. If yours are missing or misaligned, we’ll show you what the code requires and quote the upgrade in writing before any work is done.
Call Warden Gate Repair for Electric Gate Repair in San Bruno
When your gate quits on a fog-damp morning and the opener just hums, call (828) 426-7081. A live person answers, 24/7. You’ll get a straight conversation about what you are seeing, a scheduled visit, and the name and photo of your technician before they arrive. The written price comes before any work starts, the repair is covered by our 365-Day Done Right Promise, and the tech at your door is the same person in the photo you received. That is how we do gate repair here.
Written by Cole Rafferty, Owner at Warden Gate Repair, serving San Bruno.





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