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 Millbrae
Gate repair in Millbrae usually means one of three things: a swing gate dragging at the latch, an opener that hums but won’t move the gate, or a slide gate that grinds and stalls halfway. Most Millbrae jobs run $280 – $750 depending on whether we’re fixing hardware, replacing an operator control board, or pulling and resetting a hinge post. We’re Calder Gate Repair, the dedicated gate repair team inside the Relay Home Co. family, and we know exactly how Millbrae’s narrow setbacks and SFO marine layer beat up gate hardware. If your gate isn’t working right, call (903) 417-0793 and a real person answers, 24/7. Every job starts with a written price before we touch a single bolt.

Why Calder Gate Repair Is Millbrae’s Preferred Gate Repair Company
Millbrae homeowners don’t have time for vague arrival windows or a tech who has never seen a Gate Repair problem on a post-WWII tract home. Our Gate Repair crews work on Millbrae driveways every week, so we already know the failure patterns here: rocking hinge posts in shallow footings, corroded operator boxes from marine-layer fog, and old loop detector wiring that’s been buried since the Nixon administration. Nico Alvarez runs our Millbrae operations, and every tech who shows up at your door is background-checked, uniformed, and dispatched with a live, trackable arrival time.
We don’t do four-hour windows. You get a real ETA you can follow from your phone, the same way you’d track a rideshare. When the job’s done, you get before-and-after photos and a digital invoice you pay from a link. That’s the Relay Standard, and it’s how Calder Gate Repair has earned its reputation across Millbrae since we started serving the Peninsula.
The 365-Day Done Right Promise backs every repair we perform in Millbrae. If the repair fails within 365 days, we return free and make it right. It’s written on your invoice, not buried in fine print.
Driveway Gate Repair in Millbrae
Driveway Gate Repair in Millbrae is where we spend most of our time, and the usual culprit isn’t what you’d expect. On the short-span swing gates common along Broadway and Millbrae Avenue, the hinge post is what fails – not the gate panel. The post sits in a concrete footing that was poured when the house was built, and sixty years of soil movement plus a gate swinging on it ten times a day eventually loosens everything.
Hinge Post Re-Setting
When a hinge post starts rocking, the gate sags at the latch side and the operator has to work harder to move it. We pull the post, dig out the old footing, pour fresh concrete below the root line, and re-hang the gate with weld-on hinges rated for the panel’s weight. A post re-set in Millbrae typically runs $450 – $850 depending on the panel size and whether we need to re-align the operator afterward.
Automatic Gate Repair
Automatic gate repair in Millbrae usually points to the operator: a control board that won’t respond, a limit switch – the small sensor that tells the gate when to stop – that’s drifted out of position, or an arm that’s bent from years of wind load off the bay. For specialized Millbrae Gate Opener Repair, we stock control boards and arms for FAAC, BFT, and LiftMaster openers, which covers most of what’s installed across Millbrae. We stock control boards and arms for FAAC, BFT, and LiftMaster openers, which covers most of what’s installed across Millbrae. Repairs here typically land between $220 – $480 before any part that needs replacing.
Gate Welding in Millbrae
Gate Welding in Millbrae isn’t just patching a cracked frame. Coastal fog off SFO keeps daily marine-layer moisture cycling at the steel, which means weld joints and hinge hardware corrode faster than they do a few miles inland in Burlingame. When a weld fails on a Millbrae gate, it’s usually because water sat in the joint for years, not because the metal gave out.
Weld Repair and Reinforcement
We grind back the rust, weld the joint with proper penetration, and reinforce the area with a gusset plate where the gate’s geometry allows it. A standard weld repair on a Millbrae driveway gate runs $180 – $350. If the hinge has torn off the post entirely, we’ll often cut off the old hinge plate, weld on a new one, and re-hang the panel the same visit.
Rust Treatment and Repainting
Weld repair only holds if the surrounding steel is solid. We wire-brush and treat the repaired area, then prime and repaint it so the patch doesn’t become the next failure point. For gates with deep corrosion along the bottom rail, we’ll give you an honest read on whether repair or replacement makes more financial sense before you spend a dollar.

Trusted Brands We Service in Millbrae
Our techs are factory-familiar with nine major gate opener brands, including FAAC, BFT, Linear, and Viking. That matters in Millbrae because most properties have whatever opener the original builder or a previous owner installed, and nobody wants to hear “we don’t work on that brand.” We carry common control boards, arms, and safety photocells in our local parts stock, so Millbrae customers usually get same-week turnaround on parts that other shops would have to order. When a Viking operator fails on a Saturday, we can have a tech out with the part rather than making you wait until Tuesday.
Common Gate Repair Problems We See in Millbrae Homes
- Hinge posts rocking in shallow footings: Millbrae’s post-WWII tracts along Broadway and Millbrae Avenue have narrow, shallow front setbacks, so driveway gates are short-span swings whose hinge posts sit in older, often undersized concrete. The post, not the panel, is the usual failure point – and no amount of panel repair fixes it.
- Corroded operator control boxes: Marine-layer fog and salt-laden air off SFO cycle moisture through the electronics housing daily. We regularly replace control boards in Millbrae that failed from corrosion, not age.
- Slide gate rack and pinion grinding: Older Millbrae driveways with steep, short aprons cause slide gate operators to strain or stall, especially when paired with original loop detector wiring that’s never been replaced. We inspect the whole drive path, not just the visible hardware.
- Safety photocells fouled by fog: Photocell sensors near the coast get a film of salt residue that interrupts the beam and keeps the gate from closing. Cleaning helps for a while, but relocation or replacement is often the permanent fix.
Pricing for Gate Repair in Millbrae, CA
Most gate repairs in Millbrae run between $220 and $750, with a few specific ranges worth knowing before you call. Hinge bolt replacement or a simple limit switch adjustment: $165 – $280. Operator control board replacement: $280 – $550 including the part, depending on brand. Hinge post re-set with fresh concrete: $450 – $850. Gate welding, including reinforcement and rust treatment: $180 – $400. If your gate is beyond repair and needs replacement, a full driveway gate installation in Millbrae typically runs $1,800 – $5,200 including materials, groundworks, operator, safety edges, and power run, and we schedule that work over 3 – 7 days rather than promising same-day turnaround. Every price is quoted and agreed before any work starts, and the estimate is free. Call (903) 417-0793 for a written quote.
We Also Serve Cities Near Millbrae
If you’re in San Bruno, Burlingame, South San Francisco, or Pacifica, we cover those areas too. Our techs run multiple routes through the Peninsula daily, so getting to a driveway in any of these cities rarely adds meaningful wait time. The same written pricing and 365-Day Done Right Promise apply everywhere we work. Read more about how our Gate Repair in Millbrae coverage connects to the surrounding Peninsula.
Serving Millbrae, CA - Our Local Coverage Area
We’re based in the Millbrae 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 Millbrae
A latch-side sag almost always means the hinge post is leaning outward – the post itself is moving in its footing, not the gate panel bending. In Millbrae’s older tracts, those footings were often poured shallow and undersized for the gate’s weight. The fix is pulling the post, pouring a deeper footing, and re-hanging the gate. Call (903) 417-0793 and we’ll inspect it and give you a written price before any work starts.
Yes. Automatic gates in Millbrae must meet UL 325 safety standards, which means working safety photocells, a reversing edge or sensor, and proper force limits that stop and reverse the gate if it hits anything. We test all of these on every job, and if a sensor is missing or disabled, we’ll flag it and fix it. A gate that opens without safety sensors is a liability, not a minor inconvenience.
Most driveway gate installations in Millbrae run 3 – 7 days from the first day of work to final programming. That includes the groundworks, setting posts in concrete, hanging the panel, running power, mounting the operator, installing safety edges and photocells, and running reversal tests. We schedule installations rather than rushing them, so you get a proper job done in one pass. The written estimate we give you includes the full scope, so you know what the timeline looks like before you commit.
Yes. We work on FAAC, BFT, Linear, Viking, LiftMaster, Ghost Controls, DoorKing, Elite, and Mighty Mule. If you have an opener from any of those brands, we already know the control board, the arm type, and the common failure points. Most replacement parts are in our local stock, which cuts the wait time for Millbrae customers compared to shops that have to order everything in.
A slide gate that stalls or grinds in Millbrae usually has either a worn rack and pinion from marine-layer corrosion or an apron too steep for the operator’s torque rating. We see both regularly. The first visit starts with checking the drive path, the rack alignment, and the operator’s force settings, then we give you a written price for the fix before we turn a single wrench.
When your gate stops working, you want a real person who picks up the phone, gives you a straight answer, and shows up when they say they will. That’s how Calder Gate Repair operates in Millbrae. Call (903) 417-0793 now for a free estimate, written before any work begins.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Millbrae and the Peninsula.





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