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 Half Moon Bay
Gate repair in Half Moon Bay costs most homeowners between $185 and $740, with the two biggest variables being the gate’s material (metal vs. wood) and whether the operator itself has failed. Most hinge, post, and latch repairs are done in a single visit, and our techs dispatch to Half Moon Bay from our San Francisco Bay Area office with marine-grade hardware already on the truck for our Electric Gate Repair in Half Moon Bay. If your gate has stopped latching, sagging onto the ground, or leaving the driveway unsecured, call (940) 412-7340 and we’ll give you a written price before any work starts.
Dean Prescott, who leads our team, built Portcullis Gate Repair as a Kingswell company on a simple promise: the price you see in writing is the price you pay. No gate tech in Half Moon Bay should hand you a surprise invoice after the gate is already disassembled. We don’t work that way.
Why Portcullis Gate Repair Is Half Moon Bay’s Preferred Gate Repair Company
Half Moon Bay homeowners call us because we arrive when we say we will, and we put the guarantee in writing. Every repair we do carries the Kingswell Guarantee: a written price before work begins, a real arrival window, a clean job site, and a written guarantee stamped on the invoice. If the repair fails inside 365 days, we come back and fix it at no charge under the 365-Day Done Right Promise. That’s not a franchise slogan. It’s a written standard across every Kingswell company, including our independently owned location.
We work these coastal streets regularly, from the older ranch homes near downtown to the equestrian parcels out toward Miramar. Our techs know which gate hardware survives here and which does not. Calls are answered by a live person 24/7, not a voicemail tree. When a gate will not close and your driveway is unprotected, you get a human on the line and a technician who shows up prepared.
Metal Gate Repair in Half Moon Bay
Metal gate repair in Half Moon Bay is the single most common call we handle, largely because the marine layer accelerates corrosion on every exposed steel component within a few seasons. Hinges, latch boxes, and gate frames made from standard galvanized steel corrode at roughly triple the rate we see in Burlingame or Millbrae, just over the hill. In practical terms, a hinge replacement that would last eight years inland may last three here unless you step up to 316 marine-grade stainless.
Typical metal gate repairs in Half Moon Bay run $185 to $520, depending on whether we are replacing hinges, re-welding a cracked frame, or straightening a post that has shifted. A full hinge and latch rebuild on a large ornamental iron driveway gate runs toward the top of that range, and we quote it before touching a single bolt.
Hinge and Post Repair
When a metal gate sags and scrapes the driveway, the problem is almost always the hinge post or the hinge itself, not the entire gate. In Half Moon Bay, salt-crusted hinges seize first, then the wind loads on the gate panel lever against the post footing until the post leans. We dig out, re-set, and re-anchor the post, then hang the gate on 316 stainless hinges so the same failure doesn’t come back next winter.
Weld and Rust Repair
Coastal air attacks welds first because the heat-affected zone is more reactive than the surrounding steel. On older custom gates near the coast, we routinely cut out rusted-through bottom rails and re-weld them with proper prep and marine-grade coating. The repaired section gets ground flush, primed, and painted to match, leaving the gate structurally sound rather than just cosmetically patched.
Wood Gate Repair in Half Moon Bay
Wood gate repair in Half Moon Bay takes a different beating from the same weather. The persistent fog adds moisture; the summer sun pulls it back out; the gate swells, racks, and then drags against the driveway. Older ranch homes near downtown have cedar and redwood gates that have been moving seasonally for years, loosening the hinge screws until the whole panel hangs crooked and pulls on the post.
Wood gate repairs here typically run $160 to $450. Replacing rotted bottom rails, truing the frame, and re-hanging on heavy-duty stainless hinges is a one-visit job in most cases. If the gate is too far gone, we’ll say so and give you a written price for a replacement before anything is torn out.
Realignment and Structural Repairs
A wood gate that drags usually has a racked frame, not a failed hinge. We square the gate, pull the sag out with a turnbuckle and corner braces where needed, and re-hang it so the weight sits on the hinges rather than the latch side. On heavily exposed properties near Miramar and Montara, we also recommend stainless hinge hardware because plain steel rusts out faster than the wood rots.
Hardware Replacement on Seasoned Wood Gates
Salt air works into screw holes and corrodes the fasteners from the inside out. When we re-hang a wood gate in Half Moon Bay, we replace the old zinc-plated screws and hinges with marine-grade stainless, drilling and filling the old screw holes so the new hardware bites into fresh wood. It’s a small step that keeps the gate from sagging again six months later.
Trusted Brands We Service in Half Moon Bay
Our techs carry repair parts and diagnostics for Viking, Ghost Controls, DoorKing, and Elite operators, among the nine major brands we service. That means when we diagnose a failed operator on a Half Moon Bay driveway, we’re not going back to the shop to order parts and scheduling a second visit. We stock the boards, receivers, and limit switches most likely to fail in coastal conditions, so most operator repairs are finished the same day. Whether the gate is a Viking slide operator on a Rural Heritage property or a Ghost Controls unit on a Pacific Ridge driveway gate, the tech who arrives already knows the system.
Our Gate Repair team works on more than just hardware and operators. If your automatic gate has stopped responding to the remote, pegged itself open, or reversed for no reason, the fix is usually a sensor, loop detector, or limit switch adjustment, and we carry those parts on the truck.
Common Gate Repair Problems We See in Half Moon Bay Homes
- Salt-crusted slide gate tracks and racks. On properties along or within a half-mile of Highway 1, the marine layer leaves a film of salt-laden moisture on slide gate rails and racks almost daily. That grit packs into the rack and pinion until the gate slows, strains, or stops halfway. Standard zinc-plated or hot-dipped galvanized components visibly rust within one rainy season here, which is why we stock 316 stainless as standard replacement stock, not a special-order item.
- Wind-bent frames on exposed coastal parcels. Strong northwest winds off the Pacific can catch an unsecured or improperly counterbalanced gate hard enough to bend the frame or shear mounting bolts. Rural properties toward Miramar and Montara get the worst of it. We install wind-rated hinges and properly counterbalance gate panels so the wind pushes against the structure, not the hardware.
- Seasonally racked wood gates on older ranch homes. Untreated wood gates on the ranch properties near downtown swell and rack as the fog and sun cycle through the year. The gate starts dragging, the hinge screws strip, and the post leans under the shifting load. Most of these can be saved with structural realignment and stainless hardware rather than a full replacement.
- Tired slide gate operators on tight shared driveways. Many Half Moon Bay driveways, especially off Alsace Lorraine and other older streets near downtown, are too narrow for a swing gate arc. That leaves slide gates as the only workable layout, which means the operator and loop detector are the only things keeping the driveway accessible. When they fail, they fail in place, with no easy alternate layout to fall back on.
Pricing for Gate Repair in Half Moon Bay, CA
Most gate repairs in Half Moon Bay run between $185 and $740. Hinge and latch replacements on metal and wood gates sit in the $185-$350 range. Operator repairs, including boards, receivers, and safety sensor replacements, run $240-$520 depending on brand and part. Full hinge and post rebuilds on heavy sliding or ornamental iron gates reach $650-$740 when welding and post re-setting are involved. We quote every job in writing before work begins, and the price you approve is the price you pay. If a repair surprises us once the gate is open, we stop and call you before spending another dollar.
For an exact quote on your gate, call (940) 412-7340. Estimates are free, and we’ll give you the written number before we touch the gate.
We Also Serve Cities Near Half Moon Bay
While this page is written for Half Moon Bay homeowners, our Gate Repair crews also take calls from nearby communities along the coast and over the hill. We dispatch regularly to El Granada, Burlingame, Millbrae, and Belmont, and we carry the same marine-grade hardware on every truck regardless of where the gate happens to be.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Half Moon Bay
Half Moon Bay sits directly on the open Pacific with no inland buffer, so the marine layer delivers salt-laden moisture onto exposed gate hardware almost daily. A hinge or latch that might last eight years in San Mateo or Burlingame can rust through in three years here. That’s why we use 316 marine-grade stainless for hinge and latch replacements on coastal properties, and why we stock it on the truck instead of ordering it special. Call (940) 412-7340 if your gate hardware is showing rust flaking or seizing, and we’ll quote the repair before any work starts.
Yes, and this is one of the most common situations we see on older Half Moon Bay streets with tight shared driveways and rights of way. A slide gate has no swing arc, so it fits where a swing gate cannot. We repair slide gate racks, operators, and loop detectors in place, and we know how to keep one lane open for a neighbor’s car while the work is happening. The job is the same whether we’re repairing a DoorKing slide operator or replacing a salt-crusted rack on a Viking unit, and we quote the price before any disassembly. Call (940) 412-7340 and ask for a slide gate repair estimate.
UL 325 is the safety standard covering automatic gate operators, and the quick checks are visual: there should be photo eyes or contact edges that stop and reverse the gate if a person, car, or animal breaks the beam or touches the edge. Operators installed after 2016 are required to include a monitored entrapment sensor. If your gate has no visible safety edges or the photo eyes are taped over, bypassed, or aimed at the ground, the gate is not safe and we recommend letting a trained pro inspect it rather than testing it yourself. Our techs check every automatic Gate Repair job against current UL 325 requirements before we call the job done.
Usually not. Most sagging gates in Half Moon Bay are fixable with hinge replacement, post re-setting, or frame realignment, not full replacement. The exception is a wood gate whose frame has rotted through in multiple places, or a metal gate rusted through structurally. We’ll tell you which one you have, and we’ll quote both the repair and the replacement price in writing before any work starts, so you can decide with real numbers in hand. Call (940) 412-7340 to schedule a free estimate.
We service nine major gate-operator brands, including Viking, Ghost Controls, DoorKing, and Elite, and we carry common replacement boards and safety sensors for these on the truck. That means no second visit and no “we’ll order the part” delay on most operator repairs. If you have a brand we don’t service, we’ll tell you on the phone rather than sending a tech out to confirm what you already know. Call (940) 412-7340, tell us what brand is on the gate, and we’ll tell you if we can get you fixed in one visit.
Field Notes From a Shared Driveway Off Alsace Lorraine
We worked on a tight shared driveway off Alsace Lorraine near downtown where a 12-year-old LiftMaster slide gate had stopped closing completely. The rack and pinion was packed with salt-crusted grit, and the hinge post footing had shifted just enough to throw the gate out of alignment. We replaced the galvanized hardware with 316 stainless, reset the operator limits, and kept one lane open for the neighbor’s car the entire time. The gate has run clean through two full fog seasons since, and the homeowner now calls us before the problems get that bad. That’s the kind of gate repair Half Moon Bay homeowners need: hardware chosen for the coast, work done without shutting down the driveway, and a written guarantee on the invoice.
Dean Prescott runs our team the same way on every job. Written price first, real arrival window, clean job site, written guarantee. If the repair fails inside 365 days, we come back and make it right at no charge. That’s the Kingswell Guarantee, and it applies to every gate we touch in Half Moon Bay.
Call (940) 412-7340 for a free estimate. A live person answers, any hour, any day.
Written by Dean Prescott, Owner at Portcullis Gate Repair. Serving Half Moon Bay and the surrounding coast with written prices and the 365-Day Done Right Promise since 2008.





Before
After
Before
After
Before
After