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 Repair in Half Moon Bay, CA
Gate repair in Half Moon Bay usually runs between $180 and $480, though heavier agricultural gates and automated coastal systems can push toward the higher end of that range. What makes the work different here is the salt fog that rolls in off the Pacific nearly every morning, saturating hinges, rollers, and control boards in ways you won’t see ten miles inland over the coastal range. Hal Gatewood and his crew fix the gate you have rather than selling you a replacement, and you can reach a live person at (877) 610-2993 any hour of the day or night.
Why Half Moon Bay Homes Are Different
Half Moon Bay sits directly in the path of the marine layer, and that changes how gate hardware behaves. The persistent morning fog deposits salt moisture on every exposed metal surface, so hinges that would last fifteen years in Belmont or Millbrae seize up in four or five here. Circuit boards inside standard gate operator enclosures corrode from condensation, often within eighteen to twenty-four months, and we routinely replace those enclosures with NEMA-4 rated housings as a preventive step rather than a reaction.
The housing stock spans two very different gate markets. Near Main Street you have historic Victorian-era cottages and mid-century coastal ranch homes with pedestrian gates and modest driveway gates that need to match the architecture. Out along Highway 1 and Highway 92, the equestrian ranches and flower farms use wide, heavy pipe-steel and wood gates that get opened and closed ten times a day. A single swing gate on a Frenchmans Creek estate faces a different set of stresses than a 14-foot sliding farm gate off Purisima Creek Road, and we work on both every week.
Gate Repair in Half Moon Bay
Most gate repair calls in Half Moon Bay come down to one of three things: the salt air has seized the hardware, a wooden post has rotted at the footing line, or an automated opener has stopped responding. We start by identifying which failure you’re actually dealing with, because a gate that sags in the hinge post is a different repair than one with a broken weld. You’ll get a written price before any work starts, and that number doesn’t change at the door.
Electric Gate Repair
Electric gate repair in Half Moon Bay usually means an opener that stopped responding, a keypad that went dead, or a safety sensor that refuses to stay aligned. Around here the culprit is often salt-air intrusion into the control enclosure, not the motor itself. We diagnose the board, the transformer, the wiring, and the receiver, then replace only what failed. You won’t get sold a whole new opener because one capacitor blew. A board replacement typically runs $325 to $800, including weatherproofing.
Automatic Gate Repair
Automatic gate systems along the San Mateo coast take a beating from morning marine layer condensation. Circuit boards short, limit switches corrode, and remote receivers lose range as antenna connections oxidize. For coastal properties especially, we swap standard control enclosures for NEMA-4 rated housings with dielectric-greased terminations, a protection step that’s rarely necessary ten miles inland. Adding that enclosure runs $150 to $300 when required.
Hinge & Post Repair
A gate sags in the hinge post, not in the middle, and that’s where we start. On Half Moon Bay’s older rural acreage, wooden gate posts rot at the footing line from chronic ground moisture, and the gate slowly drops until it drags on the gravel. We rebuild footings, sister or replace posts, and re-hang the gate square. A hinge and post repair on a typical single swing gate runs $280 to $650 depending on footing work.
Weld & Rust Repair
This is the work most companies want to skip because it’s loud, dirty, and takes skill. We weld on site, so the gate stays in your driveway. We cut out rusted sections of pipe steel, grind back surface corrosion, weld in new material, and coat the repair so it holds against the Pacific air. Weld and rust repair on a pipe-steel gate runs $200 to $700 based on how much steel needs replacing. If you got a written estimate from another shop, we’ll give you a free second opinion on it.
We service all major brands, and you can read more about our approach on our Gate Repair page.
Why do automatic gate opener circuit boards fail so often in Half Moon Bay compared to Redwood City?
Because the marine layer that blankets Half Moon Bay nearly every morning deposits salt moisture on and inside every standard control enclosure, and the circuit boards inside short out. Redwood City sits over the coastal range where the air stays drier. The fix we routinely apply here is a NEMA-4 rated enclosure with dielectric-greased terminations, which seals the board away from fog and salt. Call (877) 610-2993 for an exact quote.
My farm gate is sagging at the hinge post on my rural Half Moon Bay property. Is that a footing or weld problem?
It’s usually a footing problem, because the post has rotted or shifted at ground level and the hinge side has dropped. The weld may also be fatigued from years of the gate pulling on it, but fixing the weld without fixing the footing means you’ll fix it again in a year. We rebuild the footing, then re-weld the hinges to the re-set post.
Gate Installation in Half Moon Bay
Gate installation in Half Moon Bay means building for salt air, coastal fog, and heavy use. Whether you’re off Higgins Canyon Road with a horse property, up in the hills behind Main Street, or out along Highway 1 with a flower farm, we’ll come out, look at your driveway, and give you an honest price before any work starts. Material selection matters more here than it does inland, and we don’t treat weatherproofing as an upsell.
Driveway Gate Installation
A driveway gate in Half Moon Bay takes more abuse than the same gate would in San Mateo or Burlingame. The marine layer puts salt on every hinge, latch, and control board, so we select materials differently here. Galvanized steel posts, marine-grade coatings, and NEMA-4 rated enclosures are routine for us in the 94019 ZIP, not an add-on. A single swing driveway gate typically runs $2,800 to $6,500 installed, depending on size, material, and whether you’re adding an automated opener.
Swing Gate Installation
Swing gates are the most common style we install in Half Moon Bay, especially on equestrian properties and estate lots along the coastal foothills. The hinge post takes the load, not the panel, and the soil here runs wet. We set deeper post footings and use thicker-walled steel than you’d see on a typical inland job. A double swing gate for a wider driveway runs $4,500 to $9,000.
Pedestrian Gate Installation
A pedestrian gate off Main Street near one of those Victorian cottages is a different job than a farm gate. You want a gate that matches the house, latches quietly, and doesn’t rot in the coastal damp. We build pedestrian gates in redwood and cedar with stainless hardware, and we’ll match the style of your fence line so it looks like it’s always been there. Pedestrian gates run $900 to $2,200.
Our full range of styles and materials is on the Gate Installation page.
What type of gate operator enclosure do you install for Half Moon Bay coastal estates?
We install NEMA-4 rated enclosures on every automated gate we put in Half Moon Bay. A NEMA-4 enclosure is gasketed and sealed against driven salt spray and fog moisture. Standard enclosures fail here within two years. We’ve pulled circuit boards out of enclosures that looked fine from the outside and found green corrosion on every terminal.
What is the best wood or finish for a driveway gate in Half Moon Bay’s salt air?
Redwood and cedar are the best wood choices for Half Moon Bay gates. Both resist rot far better than fir or pine in this damp climate. For metal gates, we specify marine-grade zinc primer under the powder coat, and we recoat hinge barrels before installation. A penetrating marine-grade sealer beats a film-forming polyurethane that traps moisture and peels.
Gate Motor & Opener in Half Moon Bay
Gate motor and opener work in Half Moon Bay comes down to one thing: the salt air. We’ve been called out to homes on the coast side of Highway 1 where a three-year-old opener looks ten years old inside. The morning marine layer carries salt moisture into control boards, hinges, and motor housings, and if the enclosure wasn’t rated for it, the opener fails. We diagnose the actual failure and replace only what’s needed.
Motor Repair
Motor repair is the core of what we do in Half Moon Bay because this coastal environment kills opener motors faster than anywhere inland. We open the motor, diagnose the actual failure, and replace only what’s needed. A standard gate motor repair typically runs $180 to $395, depending on what actually failed. We stock common internal parts for LiftMaster, FAAC, Viking, and DoorKing motors, so most repairs happen in one visit.
Motor Installation
When a new motor is the right call, we’re not just bolting on whatever’s cheapest. For Half Moon Bay’s coastal damp, that means a weather-sealed enclosure from day one, stainless fasteners instead of zinc-plated, and wiring connections that won’t corrode in the marine layer. A full motor replacement with a weather-sealed enclosure costs $800 to $1,600 for most residential gates in the 94019 area. A free measure and a written price come before any work starts.
Slide Motor
Slide gates are the standard for Half Moon Bay properties with wide driveway openings, especially the equestrian parcels on the inland side of Highway 1. The slide motor takes abuse from both salt air and the weight of a heavy gate that’s often been left to sag on worn rollers. Wide agricultural slide gates off Highway 92 run higher because of the heavier motor and stainless rack and pinion, typically $1,600 to $2,800.
More detail on the brands and systems we work on is on the Gate Motor & Opener page.
Why did my gate opener circuit board fail after only 18 months in Half Moon Bay?
Because your opener’s control board was almost certainly housed in a standard enclosure that lets salt moisture seep in from Half Moon Bay’s constant marine layer. The salt condenses on the board, pits the contactors, and you get relay chatter, false triggers, or total shutdown. The fix is a NEMA-4 rated enclosure and a coated board, which is what we install on every coastal Half Moon Bay job.
Why does my slide gate keep reversing before it fully opens on foggy mornings?
Foggy mornings in Half Moon Bay mean a layer of salt moisture condensing on your safety photocell lenses. The photocells read that film as an obstruction and tell the control board to reverse the gate. Cleaning the lenses helps for a day, but the longer-term fix is to seal the sensor housings and reposition them so they’re not collecting condensation. Call (877) 610-2993 and we’ll sort it out.
Gate Access Control in Half Moon Bay
Gate access control along the San Mateo coast has to do two jobs that don’t always get along: keep out people who don’t belong, and keep working in damp, salty air. Half Moon Bay properties with automated entry systems deal with keypad failures, intercom corrosion, and card reader malfunctions caused by the same marine layer that attacks the gate itself. We install and repair systems from Ghost Controls, DoorKing, Elite, and Viking, and we weatherproof every connection as a matter of course, not as an afterthought.
Keypad & Intercom Repair
Keypads and intercoms mounted near a gate take the worst of the coastal weather, and the contacts inside corrode long before the gate operator does. We replace failed keypads and intercom units with weather-rated models, and we seal the wiring penetrations so salt moisture doesn’t climb into the conduit. Most keypad and intercom repairs run between $180 and $480 depending on the unit and whether we’re rewiring the entry point.
Card Reader & Vehicle Detection
For larger properties and agricultural operations off Highway 92, card readers and vehicle loop detectors keep the gate moving without anyone touching a keypad. Loop detector wire splices fail from salt water working its way into the conduit, and card readers lose sensitivity as their antennas corrode. We troubleshoot the full signal path from reader to control board, and we replace only what’s failed. Repairs typically run $325 to $800 depending on the loop and reader configuration.
You can see the full scope of what we install and maintain on the Gate Access Control page.
Do I need a different gate operator for a horse ranch gate on the coast side of Highway 1?
Usually yes. Ranch gates are heavier, wider, and exposed to direct salt spray off the ocean. A standard residential operator won’t handle the weight or the corrosion, and Half Moon Bay’s marine moisture will eat the standard zinc-plated rack and pinion within a few seasons. You want a heavy-duty slide operator with stainless steel rack and pinion and a sealed enclosure.
How often should I have a gate motor serviced in Half Moon Bay’s marine layer?
Every 12 months, minimum. Twice a year is better if you’re close to the water or your gate faces west into the prevailing wind. Between service visits, the salt film builds up on contacts, sensors, and limit switches. A yearly service includes cleaning the control board contacts, checking the enclosure seal, lubricating the drive components, and adjusting the travel limits.
Gate Parts & Welding in Half Moon Bay
A corroded hinge or a snapped weld on your gate isn’t something you can put off for a month here. Along the San Mateo coast, that rust keeps eating. Gate parts and welding jobs in Half Moon Bay usually run $180 to $480, depending on whether we’re replacing a single hinge or rebuilding a post base. We can almost always schedule your repair within one to three days, and we’ll quote the full price before any work starts.
Hinge Replacement
When a gate drags or pulls its post out of plumb, the hinge is almost always where it started. In Half Moon Bay we replace hinges with stainless or heavy-duty galvanized options rather than the zinc-plated hinges that corrode within two years in salt fog. Typical hinge replacement runs $160 to $260 per hinge, including realignment and load testing.
Post Replacement
More often than not, the post fails before the gate does. Here it’s usually the combination of moisture and wood rot at the base for residential gates, or rust at the weld point for steel posts on ranch gates. We dig out the old post, set the new one deep in concrete, and weld or bolt the gate back on same day. Post replacement in Half Moon Bay generally runs $320 to $540, depending on post diameter and whether it’s wood or steel.
Custom Welding
Some repairs aren’t a parts swap. A cracked steel gate frame on a horse property off Verde Road needs a structural weld, not a patch. Hal does that welding himself, in your driveway, on his mobile rig: reinforcement plates, hinge tab rebuilds, custom rack mounts for automated openers. Custom welding work usually runs $150 to $350 per hour of actual arc time, and most repair welds finish in under two hours.
A full breakdown of the parts we stock and the welding work we do is on the Gate Parts & Welding page.
Is emergency welding available in Half Moon Bay?
Yes. If your gate has dropped off its hinges or a weld failed and the gate is dangling, that’s an active safety hazard, not a scheduling request. We treat it as a priority. A live person answers the phone around the clock, and we’ll get a welder to you fast. Call (877) 610-2993.
How long does your warranty last in Half Moon Bay?
Every welding repair and parts replacement carries our 90-Day Done Right Promise in writing. If the weld cracks or the hinge works loose within 90 days of the repair, Hal comes back and makes it right at no charge. The quote you get is the price you pay, agreed before we start.
Brands We Service in Half Moon Bay
We service LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule systems. We stock common internal parts for LiftMaster, FAAC, Viking, and DoorKing motors so most Half Moon Bay repairs happen in a single visit. See our brands for the full list and what we stock.
Pricing for Gate Repair in Half Moon Bay, CA
| Service | Typical range in Half Moon Bay |
|---|---|
| Hinge and post repair | $280 - $650 |
| Automatic gate operator repair | $325 - $800 |
| NEMA-4 enclosure upgrade | $150 - $300 |
| Weld and rust repair | $200 - $700 |
| Gate realignment with track and sensor adjustment | $180 - $400 |
| Single swing driveway gate installation | $2,800 - $6,500 |
| Double or sliding gate installation | $4,500 - $9,000 |
| Pedestrian gate installation | $900 - $2,200 |
| Gate motor repair | $180 - $395 |
| Control board replacement | $290 - $480 |
| Full motor replacement with sealed enclosure | $800 - $1,600 |
| Hinge replacement (per hinge) | $160 - $260 |
What pushes a Half Moon Bay job toward the higher end is typically the amount of corrosion cleanup the surrounding metal needs, plus the size and weight of the gate. Coastal exposure means we’re often replacing hardware with marine-grade parts rather than standard components. Every price is quoted and agreed before any work begins, and we take $40 off any repair over $200.
Neighborhoods We Serve in Half Moon Bay
We work all over Half Moon Bay, from the flats near Main Street to the ranch roads that climb toward the coastal foothills. If you’re within 94019, you’re within our service area, and we know the gate styles and failure modes in each of these areas because we’ve repaired them.
- Frenchmans Creek and the neighborhoods along Highway 92
- Higgins Canyon Road and the hillside properties southeast of downtown
- Purisima Creek Road and the equestrian parcels along the southern coast
- Arleta Park and the mid-century homes near the middle school
- Miramar and the beach-adjacent properties
Most Half Moon Bay repairs are scheduled within one to three days. If your gate is stuck open and you have animals or kids to keep in, tell us on the phone and we’ll move things around to get there same day.
Service Area - Cities Near Half Moon Bay
In addition to Half Moon Bay, CA, we serve the surrounding coastal and bayside communities. That includes El Granada, CA just up the coast, Hillsborough, CA and Burlingame, CA over the hill, and Millbrae, CA and Belmont, CA along the Peninsula. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and crews serve Half Moon Bay locally.
Serving Half Moon Bay, CA - Our Local Coverage Area
Gatewood Fence & Gate crews serve Half Moon Bay and the communities around it; dispatch is coordinated from our San Francisco Bay Area office. The map shows the Half Moon Bay coverage area; if your address is on it, we can help.
Also serving nearby: Half Moon Bay, CA, El Granada, CA, Hillsborough, CA, Burlingame, CA, Millbrae, CA, Belmont, CA.
FAQs About Gate Repair in Half Moon Bay
Most Half Moon Bay gate repairs are scheduled within one to three days, and if you call before early afternoon on a repair, we can often have someone at your gate within a few hours. Gates that are stuck open with animals or children at risk take priority. The person who answers at (877) 610-2993 knows gates, not a script.
For most gate repairs, no permit is required. If we’re doing a full gate installation with new posts and footings on a Half Moon Bay property, some situations may require local approval depending on the scope and proximity to the road. We’ll tell you upfront if your job needs anything beyond the work itself.
Yes, we cover all of 94019, from the coastal neighborhoods north of Main Street out to the horse properties and flower farms south along Highway 1. A gate that’s a quarter mile down a dirt driveway is exactly the kind of gate we get called for most. There’s no trip charge inside the county.
If your gate is sticking, dragging, or refusing to open, call us at (877) 610-2993. You’ll get a straight answer over the phone about what it likely is and what it likely costs, and a written price before any work begins. Estimates are free, and the name on the shop is the name on the invoice.
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 Half Moon Bay Customers Say
"The fence is excellent and it was fairly priced. He is not quick to answer email, so if you need him, ring. He always picks up the phone."
- Rodney Falkenrath"Safety photo eyes on our old gate had been bypassed by whoever serviced it last, which he was genuinely annoyed about on my behalf. Fitted proper sealed ones and wired them the way they should be."
- Otis Redmond"He builds the gates himself in his own shop. You can go and look at it. That is not something you can say about the outfits that just order a panel in."
- Doreen Whitfield