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 Alamo
Most gate repair calls in Alamo come down to three things: a hinge post that shifted, a buried loop detector that took on water, or an operator working on undersized power. A typical Gate Opener Repair in Alamo runs $285 – $540 before parts, and a full hinge and post replacement usually lands between $650 and $1,400 depending on the gate’s weight and how much concrete work is involved. We get to Alamo fast, diagnose honestly, and quote a written price before any work starts. Call (903) 417-0793 and a live person answers, day or night.

What makes Alamo different from neighboring Lafayette or Danville is the dirt under the gate. Our Gate Repair crews know that many Alamo properties off Stone Valley Road, Livorna Road, and around the Round Hill Country Club area sit on long, sloping driveways where utility power to the gate is either impractical or never installed. That changes the diagnosis. When a LiftMaster operator on a solar setup starts reversing mid-travel, the problem is rarely the motor. It’s usually the safety photocells reacting to low voltage, or a duty-cycle limit being hit because the gate runs harder than the system was specced for.
We’re the dedicated gate repair team inside the Relay Home Co. family, and we serve Alamo with background-checked, uniformed technicians who arrive with a live, trackable ETA. No four-hour windows. No phone tag. Our 365-Day Done Right Promise covers every repair: if it fails within a year, we return at no charge.
Why Calder Gate Repair Is Alamo’s Preferred Gate Repair Company
Alamo homeowners call us because we explain the trade in plain words and stand behind the work in writing. Nico Alvarez leads our gate repair operation, and his approach is simple: diagnose the real failure point, not the obvious one, then confirm the price before a single bolt is turned. Every repair includes a written guarantee and a free second visit if the repair fails within 365 days. That guarantee is printed on the invoice, not buried in a terms page.
Local knowledge matters here. The Gate Repair calls we take from Alamo’s estate lots and semi-rural parcels are not the same calls we take in downtown Walnut Creek. An Alamo gate on a quarter-acre flat lot might be a simple limit switch replacement for $220. A remote gate off Bear Valley Drive with a 250-foot power run and a failing buried loop is a different job entirely. Our techs know what to look for on Alamo’s long driveways before they ever touch a panel.
Every technician carries parts for FAAC, BFT, Linear, and Viking operators on the truck, which means fewer return visits and faster diagnoses. And because we’re part of the Relay Home Co. family, established 2009, every job follows The Relay Standard: a live arrival time, before-and-after photos, and a digital invoice you pay from a link. The invoice you receive matches the price agreed at the door, always.
Commercial Gate Repair in Alamo
Commercial Gate Repair in Alamo covers automated entry systems at HOA entrances, equestrian facilities, and private roads serving large parcels. These are heavier gates, often steel slide gates on rack and pinion drives, and they run more cycles per day than any residential gate. When a commercial gate fails, it shuts down access for entire streets, not just one driveway. Most commercial gate repairs in Alamo run $450 – $1,800, with full operator replacements on multi-family or HOA systems often landing in the $2,800 – $6,500 range depending on the gate’s weight, the operator brand, and whether safety loops need to be re-cut into the asphalt.
Slide Gate Track and Rack Repairs
On Alamo’s commercial and estate slide gates, the rack, the welded gear track running along the gate’s bottom, takes a beating. Dirt, gravel, and slope runoff wear down the teeth over time, and the operator starts grinding instead of engaging. We replace rack sections, reset the gear clearance, and re-align the guide rollers so the gate moves cleanly.
Loop Detector and Safety System Replacement
Buried loop detectors are what let a commercial gate know a car is waiting, and in Alamo they fail frequently. Water intrusion, root movement, and heavy clay soil crack the loop wire over time. We cut, re-splice, and seal new loops, then test the reversal system to make sure the gate stops and reverses on contact, not after it.
Iron Gate Repair in Alamo
Iron Gate Repair in Alamo usually means one of three problems: hinge post movement, rust-through on the lower rail, or a weld failure at the hinge barrel. Alamo’s older iron estate gates, many dating back decades, are heavy. When the post shifts or the concrete footing cracks, the gate stops latching and the operator strains to move it. Iron gate repair and re-welding in Alamo typically runs $400 – $1,200, and full post reset with new concrete can push toward $1,800 on a heavy double gate.

Hinge and Post Re-Leveling
The panel is rarely the problem. On Alamo’s older wrought-iron gates, the hinge post works loose in its footing, especially on sloping driveways where water runs toward the post and erodes the base over the years. We break out the old concrete, re-set the post true, and weld the hinge barrels back into alignment.
Weld and Rust Repair
Surface rust is cosmetic. Rust through the bottom rail where moisture collects is structural. We grind out the corrosion, weld in replacement steel, and re-paint with a rust-inhibiting primer so the repair lasts in Alamo’s wet winters and dry summers, extremes that accelerate oxidation on uncoated iron.
Trusted Brands We Service in Alamo
Our techs are factory-familiar with nine gate opener brands, and for Alamo homes that matters most for FAAC, BFT, Linear, and Viking. These four dominate the Alamo market because they build reliable operators for the exact conditions we see here: long power runs, solar compatibility, and heavy estate gates. We stock common circuit boards, limit switches, photocell sets, and remote transmitters for these brands locally, so a diagnostic visit can often turn into a same-visit repair. If a BFT board fails or a FAAC limit switch wears out, we’re not waiting on a shipment. We show up with the part, explain what failed, and give you the written price before the replacement goes in.
Common Gate Repair Problems We See in Alamo Homes
- Hinge post movement on older estate gates. Alamo’s clay-heavy soil expands in wet winters and contracts in dry summers, which slowly works gate posts out of true. When the post shifts, the gate binds and the opener overloads, but the post, not the opener, is the failure.
- Loop detector faults on long driveways. Remote gates off Stone Valley Road or Bear Valley Drive rely on buried loops that take on water after heavy rain. A waterlogged loop means the gate won’t open for a car waiting at the keypad, and no one wants to back down a 300-foot driveway.
- Low-voltage power runs to remote operators. Many Alamo gates sit far from the house panel, and undersized wire means voltage drops under load. The gate starts moving, then reverses or stalls because the operator is starving for power, not because the motor is bad.
- Safety photocell failures on solar-powered systems. Solar gate openers in Alamo run on battery banks, and when batteries age, the photocells get marginal voltage and start throwing false obstructions. The gate reverses before it closes, and the fix is usually new batteries plus a photo-eye re-alignment, not a new operator.
Pricing for Gate Repair in Alamo, CA
Most gate repairs in Alamo fall into predictable ranges. A limit switch or remote transmitter replacement runs $180 – $350. Safety photocell repair or replacement lands at $240 – $450 per pair. Hinge and post re-alignment on an iron gate typically costs $400 – $900. A full operator replacement on a residential swing gate runs $950 – $2,800, and slide gate operators with new rack sections start around $1,400 and climb based on gate weight and drive length. Solar operator upgrades on Alamo’s unpowered lots usually add $450 – $1,200 depending on panel and battery capacity. Every quote is written and agreed before work starts, so the number on the invoice never surprises you. Call (903) 417-0793 for a free estimate.
We Also Serve Cities Near Alamo
Calder Gate Repair covers the Alamo area and the surrounding communities of Gate Repair in Alamo‘s neighbors: Walnut Creek, Moraga, Lafayette, and Danville. Each gets the same live arrival tracking, written pricing, and 365-Day Done Right Promise.
Serving Alamo, CA - Our Local Coverage Area
We’re based in the Alamo 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 Alamo
Most gate repairs in Alamo are completed in one visit, usually 90 minutes to 3 hours depending on whether we’re replacing a limit switch or re-setting a shifted hinge post. Post re-leveling with new concrete can require a same-day return once the footing cures. Call (903) 417-0793 and we’ll give you a realistic window based on what’s failing.
Yes. We repair swing gates and slide gates, including the rack and pinion slide gates common on Alamo’s long, sloping estate driveways. Swing gate issues are usually hinge or operator related. Slide gates are typically track, rack, or guide roller problems. Both get a written price before work begins.
We service nine opener brands, with the most common in Alamo being FAAC, BFT, Linear, and Viking. We also work on LiftMaster, Mighty Mule, Ghost Controls, DoorKing, and Elite. Parts for the big brands are stocked locally, which means faster repairs and fewer follow-up visits.
A gate that reverses before it closes is almost always a safety photocell issue in Alamo. The photo-eye pair sees a false obstruction, often from low voltage on a solar battery bank, misalignment after the post shifted, or debris on the lens. The operator is doing its job by refusing to close. We test the photo-eyes, batteries, and power supply, then fix the actual fault, not just the symptom. Call (903) 417-0793 to book a diagnostic.
Yes. We retrofit keypad entry, wireless intercoms, and safety photocell sets onto existing Alamo gates. Adding a keypad typically costs $350 – $700 installed. Photocell retrofits run $240 – $450 per pair. We’ll confirm compatibility with your operator brand and give you a written price before any work starts.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Alamo and the San Francisco Bay Area since 2009.





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