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 Atherton
Electric gate repair in Atherton typically runs $280 – $640 for most opener, motor, and sensor issues, with parts billed separately at wholesale cost. Most repairs are completed same day when the problem is diagnosed, and every job starts with a written price agreed before any work begins. Calder Gate Repair serves the entire town, from the estate lots around Atherton Avenue to the gated properties near Selby Lane and the smaller residential streets off El Camino Real. If your gate won’t open, stalls halfway, or trips a breaker, call (903) 417-0793 and a live person answers, 24/7.
Atherton is different from nearby towns, and the gates here reflect it. The lots are large, the driveways are long, and the gate operators often sit hundreds of feet from the electrical panel. That changes how repairs go, and it’s why our Electric Gate Repair team approaches every Atherton job with that specific wiring and terrain in mind, not a generic checklist.
Why Calder Gate Repair Is Atherton’s Preferred Electric Gate Repair Company
Calder Gate Repair is the dedicated gate repair specialist inside the Relay Home Co. family, founded in 2009 and independently owned and operated. Every Atherton call is answered by a live human being, dispatched with a trackable arrival time, and completed by a background-checked, uniformed technician. The booking-to-invoice experience follows what we call The Relay Standard: live arrival window, before-and-after photos of the repair, and a digital invoice you can pay from a link on your phone. No phone tag. No wondering who’s showing up.
Atherton homeowners regularly tell us two things they value most: a written price before the first bolt gets turned, and a guarantee that actually means something. Our 365-Day Done Right Promise is written on every job. If the repair fails within 365 days, we return at no charge. That’s not an optional add-on and it’s not vague. It’s named, numbered, and stated in writing.
We’re factory-familiar with FAAC, BFT, Linear, and Viking operators, plus five other major brands, so we rarely need to order parts blindly when troubleshooting a gate in Atherton. For most common failures, we carry what we need in the truck. That means fewer return trips and faster completions on the long driveways and estate gates this town is known for.
Automatic Gate Repair in Atherton
Automatic Gate Repair in Atherton usually means diagnosing a gate that won’t close, opens partially, or has stopped responding to remotes and keypads altogether. The job here is different from a city lot because Atherton gates tend to be heavier, wider, and wired over longer distances. A typical swing gate operator repair in Atherton runs $240 – $450 in labor, before parts. A slide gate rack and pinion realignment runs $350 – $600. We quote before work starts, and the invoice matches the quote.
Testing the Full Safety Circuit
Atherton code enforcement and inspectors care about UL 325 entrapment protection, and honestly, so should every homeowner. When we repair an automatic gate, we don’t just replace the failed part. We test the photocells, the safety edges, the reversal pressure, and the loop detector at the street entry. A gate that opens but fails its reversal test is not done.
What “Done” Means Here
In Atherton, “done” can also mean inspection sign-off. The building department requires permits and inspections for most gate and driveway work, so repairs that replace an operator, footing, or wiring often need that final approval before the job is truly closed. We handle the repair, the testing, and the paperwork trail so the inspection goes cleanly.
Electric Gate Motor in Atherton
An Electric Gate Motor failure in Atherton presents in a few predictable ways: humming with no movement, intermittent operation, or a tripped breaker when the gate tries to open. The motor is the workhorse component inside the operator, and in Atherton’s long-driveway layout, it works against more resistance than it would on a tight city lot. Motor repair or replacement in Atherton typically costs $380 – $680 including labor, with the motor itself ranging $220 – $450 depending on brand and horsepower.
Why the Motor Fails Prematurely
Long buried low-voltage runs from the house to the gate operator cause voltage drop that mimics a dead motor. The motor gets starved for the current it needs, runs hot, and eventually fails. A good Atherton repair starts with checking the actual voltage at the operator before condemning the motor. Often the fix is buried wiring and a transformer, not a new motor at all. That check alone has saved Atherton homeowners real money.
FAAC and BFT Motors
FAAC and BFT are common on Atherton’s swing gates, particularly the larger estate entrances. These units are well-built, but they are sensitive to the settled post footings and clay-heavy soil common here. When the post shifts, the gate binds, and the motor loads up. We correct the post, free the gate, and only then address the motor, because replacing the motor without fixing the post means replacing the motor again in eighteen months.
Trusted Brands We Service in Atherton
Our technicians are factory-familiar with the brands most common in Atherton driveways: FAAC, BFT, Linear, and Viking systems, plus LiftMaster, Ghost Controls, DoorKing, Elite, and Mighty Mule. We carry a deep parts kit for these brands on local trucks, which means a Atherton call rarely waits on a ground shipment. If your gate operator predates your smartphone, we can still source the board, capacitor, or limit switch it needs, and if the part is obsolete, we will say so plainly and recommend an honest replacement rather than a patch job.
Common Electric Gate Repair Problems We See in Atherton Homes
- Voltage drop on long wire runs: Atherton lots regularly stretch the low-voltage feed from the house panel to the gate operator 200 feet or more. That distance causes the operator to undervolt under load, which sure looks like a dead motor. We test line voltage at the operator before replacing anything.
- Settled hinge post footings: The clay-heavy soil in Atherton shifts with wet winters and dry summers. A post that settles a half inch makes a swing gate sag, bind, and overload the motor. We correct the sag at the post, not by hacking at the panel.
- Failing safety photocells and edges: Landscape crews and root growth on Atherton’s heavily planted properties routinely knock photocells out of alignment or chew through edge sensor wiring. When the photo-eyes are misaligned, the gate refuses to close, or worse, closes when it shouldn’t. We verify the full UL 325 safety circuit on every call.
- Keypad and loop detector faults at the street: The driveway edge in Atherton gets constant compaction from heavy vehicles. That stress eventually breaks buried loop detector wires and leaves keypads intermittent. We trace, repair, and re-seal these at the source rather than splicing in a temporary fix.
Pricing for Electric Gate Repair in Atherton, CA
We Also Serve Cities Near Atherton
We handle gate repairs across the peninsula, including Menlo Park, Redwood City, Palo Alto, and Stanford. Each of those towns has its own soil, lot sizes, and permit quirks, and we treat them that way instead of applying a one-size-fits-all plan. If you’re in a neighboring city and tired of chasing a gate that won’t behave, call (903) 417-0793.
Serving Atherton, CA - Our Local Coverage Area
We’re based in the Atherton 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 Atherton
Do I need a permit to repair or replace an electric gate operator in Atherton?
Atherton’s building department generally requires a permit and inspection when the repair replaces the operator, footing, or wiring, not for simple part swaps like a keypad or remote. We handle the permit paperwork and coordinate the inspection so the job is closed properly. Call (903) 417-0793 and we will tell you exactly what your specific repair triggers.
Why does my Atherton slide gate stall halfway and then resume?
A slide gate that stalls halfway usually has a misaligned rack and pinion, a failing drive chain, or an operator that’s being underfed by low line voltage. On a property off Atherton Avenue, our tech diagnosed a stalling slide gate where the rack and pinion was misaligned and the chain-drive operator was straining against a post footing that had settled in wet soil. We reset the post load path, realigned the rack, replaced the operator, re-ran the low-voltage loop detector and safety photocell wiring, and tested reversal under load before calling it complete. That’s the standard.
Can you fix a sagging swing gate without replacing the whole gate?
Yes. A sag is almost never a gate problem; it’s a post problem. Atherton’s clay soil swells and shrinks, and a settled hinge post makes the gate bind. We correct the post footing, restore alignment, and realign the hinges. Replacing the gate itself is money wasted if the post is the actual failure.
How do I know my gate’s safety edges and photo-eyes actually work?
The honest answer is you need a proper reversal test under load, not a visual check. A gate can look fine and still be dangerous. We test the photocells, safety edges, and reversal pressure as part of every repair in Atherton, and we document the results with photos in your digital invoice. If a safety device fails, we replace it before the gate goes back into service.
What brands of gate operators can you service in Atherton?
We service FAAC, BFT, Linear, Viking, LiftMaster, Ghost Controls, DoorKing, Elite, and Mighty Mule. Our Atherton trucks carry common parts for these brands locally, and our technicians train on them regularly. If your operator is a brand you can’t identify, send us a photo from your phone, and we’ll identify it before we dispatch.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Atherton and the surrounding peninsula.





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