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 Gate Repair Across South San Francisco
Gate repair in South San Francisco usually means one of two jobs: a sagging wrought iron side gate on a 1960s Sunshine Gardens tract home, or a commercial slide gate operator that keeps tripping along the East Grand Avenue corridor. Most repairs run $180-$650 for residential work and $400-$2,800 for commercial access gates, depending on whether we’re replacing a hinge post or rebuilding a control board. We dispatch to South San Francisco daily from our San Francisco Bay Area office, and a live person answers our phones around the clock. Call (626) 649-4572 and you’ll get a written price before we touch anything.
South San Francisco is different from the Peninsula cities just a few miles south. The bay winds that sweep across the industrial flatlands carry salt that gets into gate electronics and metalwork faster than most people expect. We know which streets have shared driveways with tight rights of way, which neighborhoods have original 1950s hinge posts, and which Oyster Point facilities need a gate that never stops working mid-shift. That local knowledge changes how we diagnose and what we stock on the truck.
Why Latch & Post Gate Repair Is South San Francisco’s Preferred Gate Repair Company
We’re a Cedarwell-family gate specialist, not a general handyman service. Every gate comes down to two parts: the latch that holds it and the post that carries it. That’s the job we focus on, and that narrow focus shows up in how we work in South San Francisco. Our technicians are background-checked and uniformed, factory-trained on the brands families and facilities here actually run: FAAC, BFT, Linear, Viking, and more. When a commercial site off Oyster Point Boulevard calls about a slide gate operator that opens but won’t close, we don’t send someone to guess. We send a technician who has already seen that exact failure on that exact corridor.
South San Francisco homeowners tell us the same things: they want clean floors, a straight answer on price, and a technician who knocks before touching anything. So we write the price down before work begins. Every visit. We lay drop cloths and put on shoe covers before stepping inside. We take a photo of the cleanup before we leave. And when kids are napping or a facility is running a night shift, we keep tools quiet and work around the activity. The 365-Day Done Right Promise backs every repair: if it isn’t right, we make it right. No argument, no fine print.
Cody Beckman leads our crews with a simple standard: treat every South San Francisco property like it’s a neighbor’s, not a job ticket. That’s the Cedarwell C.A.R.E. way of working: clean up like it’s our own home, ask before we move or touch anything, respect the family’s time and quiet hours, and explain the price before the work starts.
Commercial Gate Repair in South San Francisco
Commercial Gate Repair in South San Francisco is a different trade from residential work, and the Oyster Point Boulevard and East Grand Avenue biotech corridor defines why. Facilities here run high-security vehicle and pedestrian gates around the clock. A gate that fails at 2 a.m. doesn’t just inconvenience a homeowner, it can stall a shift change or block a delivery truck. Slide gate operators, loop detectors, photocells, and keypad entry systems all take a beating from the salt-laden bay air that crosses the flatlands. Our job is to keep these systems running without interrupting the access flow the facility depends on.
When we service a commercial gate in South San Francisco, we start with the access pattern: how vehicles enter and exit, where pedestrians pass, what hours the gate cycles most. A biotech campus gate might cycle 200 times a day. A residential swing gate might cycle 12 times. That difference changes which components wear first and what preventive work makes sense. We carry commercial-grade parts for LiftMaster, FAAC, BFT, Linear, and Viking operators so we’re not ordering a control board and waiting three days while a security gate stays propped open. Most commercial slide gate repairs in South San Francisco run $400-$2,800 depending on whether it’s a photocell replacement, a control board rebuild, or a full operator swap.
Slide Gate Repair on Tight Rights of Way
Many South San Francisco commercial properties and some residential shared driveways sit on narrow lots where a swing gate simply won’t fit. That’s where slide gates earn their keep. They ride a track or cantilever above the ground, and their failure modes are specific: rack and pinion misalignment, salt moisture in control boards, worn rollers, and corroded limit switches. We repair these in place without blocking the driveway. If the gate slides, we work around the gate’s open position so trucks and employees keep moving.
UL 325 Entrapment Protection Checks
Every commercial automatic gate operator in the United States is governed by UL 325, which sets entrapment protection standards for automatic openers. South San Francisco facilities with employee and vendor traffic need these safety devices working correctly, not just satisfying an inspector. Photocells, edge sensors, and reverse loops all degrade faster in salt air. We test them on every commercial repair we do here, and we’ll tell you in writing if a safety device needs replacement.
Iron Gate Repair in South San Francisco
Iron Gate Repair in South San Francisco is its own specialty, and the older tract neighborhoods below Sign Hill and through Sunshine Gardens keep us busy. Most of those homes were built in the 1950s and 1960s with original wrought iron side-yard and driveway gates. Sixty or seventy years of marine air has done what marine air does: oxidized the hinge posts, weakened the strike plates, and slowly pulled the latch out of alignment. The gate panel often looks fine, right up until it doesn’t. The post footing is usually the real problem.
We repair iron gates rather than replacing them whenever the structure allows. That typically means re-setting a corroded hinge post in a new concrete footing, rebuilding the hinge side, straightening the panel, and adjusting the latch so it closes without jamming. In South San Francisco’s salt-heavy air, we use marine-grade hardware and protective coatings where they’ll make a difference. Most wrought iron gate repairs in South San Francisco run $180-$650, with full hinge post rebuilds on the higher end.
Hinge Post Replacement and Gate Realignment
A drooping latch is almost always a hinge post problem. The post footing crumbles underground, the whole assembly leans, and the gate panel sags until it drags. We dig out the old footing, set the post plumb in fresh concrete, and re-hang the gate so it clears the ground. Then we adjust the latch so it actually catches. If the panel is rusted through at the bottom rail, we’ll tell you straight whether welding is worth it or replacement is the honest answer.
Weld and Rust Repair on Original Wrought Iron
South San Francisco’s bay air accelerates oxidation on bare and painted iron alike. We see gates with intact powder coating on top and hidden rust at the welds and bracket connections underneath. We grind back the corrosion, weld the failing joints, and treat the repair with a rust-inhibiting primer matched to the existing finish. The goal is to keep the original gate in service, not sell you something shiny you don’t need.
Trusted Brands We Service in South San Francisco
We’re factory-trained on the brands that South San Francisco families and facilities actually own: FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, Mighty Mule, and LiftMaster. That matters more here than in most cities because the Oyster Point corridor runs a lot of Linear and DoorKing operators, while the residential side-yard gates skew toward FAAC and BFT swing operators. We stock common parts for these brands on the truck when we roll into South San Francisco, which means less waiting on a shipment and fewer return trips. If your operator needs a control board, relay, or safety sensor, there’s a good chance we have it with us.
Common Gate Repair Problems We See in South San Francisco Homes
- Salt-moisture corrosion inside automatic gate operators. The bay wind doesn’t just rust metal. It carries salt particles that infiltrate control boards and bridge circuit contacts inside Linear and DoorKing units. The gate trips, the motor seems dead, but the actual fix is cleaning and sealing corroded contacts, not a motor replacement.
- Drooping original wrought iron gates on 1960s tract homes. Sunshine Gardens and the slopes below Sign Hill are full of post-WWII homes with original hinge posts. The post footing breaks down underground, the gate panel sags, and the latch stops engaging. It looks like a gate problem; it’s actually a footing problem.
- Photocell failures on shared driveways and commercial access points. A gate that opens but refuses to close is usually a safety photocell failure, not a dead operator. Salt film builds up on the lens, or corrosion eats the wiring. We test the safety devices first, because that’s where the fault usually lives.
- Slide gate rack and pinion misalignment on narrow rights of way. Tight South San Francisco lots and shared driveways push owners toward slide gates. When the rack teeth slip or the pinion gear wears, the gate shudders, binds, or stops mid-travel. We correct the alignment and replace the worn gear so the gate runs smooth again.
Pricing for Gate Repair in South San Francisco, CA
You’ll get a written price before any work begins, every time. No estimates over the phone that turn into something else. But here’s a real sense of what to expect in South San Francisco. Basic latch and strike plate replacements run $180-$320, depending on hardware type and access conditions. Hinge post rebuilds and gate realignment work on a drooping wrought iron gate typically land between $280-$650. Automatic gate operator repairs on residential FAAC or LiftMaster systems run $300-$900 depending on whether we’re replacing a safety sensor, a control board, or the operator assembly itself. Commercial slide gate repairs on the East Grand Avenue and Oyster Point Boulevard corridor run $400-$2,800, with control board rebuilds, rack and pinion correction, and full operator replacements at different points on that range. Weather, site access, and parts availability all affect final cost, but you’ll see the exact number before we start.
Call (626) 649-4572 for an exact quote. Estimates are free, and there’s no obligation to accept. We’ll tell you what it costs, and we’ll write it down.
We Also Serve Cities Near South San Francisco
Our Gate Repair team works across the northern Peninsula, not just South San Francisco. If you’re in Brisbane, Daly City, San Bruno, or Millbrae, we dispatch there too. We understand this pocket of the Bay Area as one continuous service region, and we treat every city with the same care: written prices, shoe covers, drop cloths, and a cleanup photo before we leave. Read more about how we serve South San Francisco and the surrounding area.
Serving South San Francisco, CA - Our Local Coverage Area
We’re based in the South San Francisco 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 Repair in South San Francisco
Because salt-laden bay air is getting inside the control board and bridging the circuit contacts, producing an electrical fault that mimics a dead motor. South San Francisco’s flatlands funnel this air across the industrial corridor, and it’s aggressive on Linear and DoorKing control boards. The fix is cleaning the corroded contacts, sealing the board, and often correcting a rack and pinion alignment so the motor isn’t fighting the gate. Call (626) 649-4572 and we’ll diagnose it properly before replacing anything expensive.
Almost never. The droop comes from the hinge post footing crumbling underground, not from the gate panel failing. We dig out the old footing, set the post plumb in fresh concrete, re-hang the gate, and realign the latch. That repair typically runs $280-$650 in South San Francisco, far less than a new gate. We’ll tell you honestly if the panel itself is too far gone to save.
Yes. We stage the work around the gate’s open position and work in the gap, not blocking the through lane. For facilities on East Grand Avenue or Oyster Point Boulevard where truck access and shift changes can’t stop, we’ll keep one lane open and complete the repair in phases. We also schedule around your quietest traffic windows when possible.
Yes. Every automatic gate operator we repair in South San Francisco gets a UL 325 safety check on its photocells, edge sensors, and reverse loops. Salt corrosion on these safety devices is common here, and a gate that opens but refuses to close is usually a photocell fault, not an operator fault. We test every safety component with every repair, and we document it for you.
Because they cycle hundreds of times daily, run commercial-grade operators, and include access control systems with vehicle loops and keypad entry, all exposed to salt air that residential gates in protected valleys don’t face as aggressively. The failure modes are different: circuit board corrosion, rack and pinion wear, and safety device degradation. A technician who mostly works residential swing gates will misdiagnose these. We don’t. Call (626) 649-4572 for a free estimate, and you’ll get a written price before any work begins.
Written by Cody Beckman, Owner at Latch & Post Gate Repair, serving South San Francisco.





Before
After
Before
After
Before
After