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 Alum Rock
Gate repair in Alum Rock comes down to two things: the gate itself and what’s underneath it. Most gate failures we see in this neighborhood trace back to hinge posts rotting below grade or rack and pinion alignment drifting after years of ground movement, not the motor. Calder Gate Repair fixes both. When you call (903) 417-0793, a live person answers, books your visit, and sends a background-checked technician with a trackable arrival time, not a four-hour window. We serve every block of Alum Rock, from Alum Rock Avenue up through the foothills, with written pricing before any work starts.

Why Calder Gate Repair Is Alum Rock’s Preferred Gate Repair Company
Alum Rock homeowners call us because we diagnose the root cause instead of band-aiding the symptom. A sagging gate on a pre-1960 tract home usually isn’t a hinge problem. It’s a post footing problem. Our techs know that because they’ve dug enough of them up on driveways off McKee Road and White Road to recognize the pattern immediately. That local knowledge means fewer return trips and a lower final bill for you.
We’re part of the Relay Home Co. family, founded in 2009, and every Alum Rock job carries the same three guarantees in writing: a written price before any work begins, a written guarantee on every repair, and the 365-Day Done Right Promise. If the repair fails within 365 days, Calder returns at no charge. No fine print, no argument.
Nico Alvarez, who leads our gate repair team, trains every tech on the specific failure modes we see across Alum Rock: shallow post footings near sidewalks, rack and pinion systems knocked out of plane by clay soil movement, and photocells bumped by cars. That’s the expertise you get when we show up.
Metal Gate Repair in Alum Rock
Metal Gate Repair in Alum Rock typically involves steel or wrought-iron gates that have sagged, seized, or torn loose from a rusted hinge post. Older homes here often have original metal driveway gates from the 1970s and 1980s, and the failure point is almost always the connection to the post, not the gate panel itself. Most metal gate repairs run $220 to $580 depending on whether we’re re-hanging the panel, replacing hinges, or rebuilding a post footing.
Hinge and Post Restoration
A steel gate is only as solid as what it hangs from. When the hinge post rusts below grade or the lag bolts wallow out, the gate leans and the operator fights it until something breaks. We remove the gate, clean or replace the post, set new anchors, and re-hang the panel so it swings level and closes without dragging.
Rust Repair and Weld Touch-Up
Alum Rock’s dry summers are kind to steel, but winter moisture near the creek corridors still gets into scratched powder coat. We grind out rust pockets, treat the surface, weld cracked joints, and apply a matched finish. Small weld repairs run $140 to $260; full rust remediation on a large driveway gate can reach $700.
Wood Gate Repair in Alum Rock
Wood Gate Repair in Alum Rock usually means dealing with a panel that’s sagged until it scrapes the driveway, a post that’s rotted at the base, or stile-and-rail joints that have pulled apart. The pre-1960 housing stock here has narrow driveways with gates set close to the sidewalk, so moisture from irrigation and rain splash accelerates wood rot at the ground line. Expect to pay $180 to $460 for a typical wood gate repair, with full post replacement on the higher end.
Sagging Panel Correction
A sagging wood gate is rarely just loose hinges. The real problem is usually a post that has gone soft under the soil line. We dig out the old footing, set a treated post in concrete, and install an anti-sag tension kit before re-hanging the panel. This is the repair that actually lasts.
Operator Realignment After Wood Rot
When a wood gate drops, the gate opener’s arm angle changes and the motor strains. Many Alum Rock homeowners blame the opener when the truth is the wood gave out beneath it. We reset the gate geometry first, then re-level the operator so the arm travels correctly and the safety reversal works as designed.

Trusted Brands We Service in Alum Rock
Our Gate Repair techs are factory-familiar with the brand on your gate, whether it’s a LiftMaster swing opener, a FAAC hydraulic unit, a Viking barrier arm, or a Ghost Controls retrofit. We keep common control boards, limit switches, remotes, and safety photocells stocked for fast turnaround in Alum Rock, so a repair rarely waits on a part. If your opener is a DoorKing or a Mighty Mule, same story: we know the wiring, the troubleshooting sequences, and which replacement parts are worth installing versus when a new operator makes more sense.
Common Gate Repair Problems We See in Alum Rock Homes
- Hinge post rot below grade. Pre-1960 Alum Rock driveways often have shallow footings to begin with, and decades of sprinkler overspray finish the job. The gate sags, the operator strains, and the owner blames the motor instead of the post.
- Rack and pinion misalignment on slide gates. Clay soil around Alum Rock’s hillside lots expands and contracts through wet and dry cycles. That movement shifts the concrete pad, the rack drifts out of plane, and the gate binds and trips the overload.
- Photocells knocked out of alignment. Narrow driveways put parked cars close to the gate path. A nudge from a bumper is enough to move a safety photocell, leaving a UL 325 entrapment-protection gap the owner doesn’t know about until something happens.
- Limit switch drift on older operators. Gates that run past their stop point or reverse mid-travel often have a worn or drifted limit switch, the small sensor that tells the gate when to stop. We replace and re-set them so the gate closes fully without over-traveling.
Pricing for Gate Repair in Alum Rock, CA
Here’s what Alum Rock homeowners can expect to pay. A basic service call with a minor adjustment, like a limit switch reset or hinge tightening, runs $95 to $180. Metal gate re-hanging or hinge replacement runs $220 to $580. Wood gate repair with post re-setting runs $180 to $460. Full post footing replacement, whether wood or steel, adds $250 to $600 depending on depth and concrete work. A new gate opener installed runs $900 to $2,400 depending on brand and features, installed and tested.
- Service call and diagnostic: $95 – $180
- Metal gate hinge or re-hang repair: $220 – $580
- Wood gate repair with post re-set: $180 – $460
- Post footing replacement (concrete work included): $250 – $600
- New gate opener installation: $900 – $2,400
Every price is quoted and agreed in writing before any work starts. The number on the invoice is the number you approved at the door. Call (903) 417-0793 for a free estimate.
We Also Serve Cities Near Alum Rock
Calder Gate Repair serves homeowners across the Bay Area and beyond. In addition to Gate Repair in Alum Rock, we handle gate repair, electric gate repair, and gate opener repair for customers in San Jose, San Francisco, Los Angeles, and San Diego.
Serving Alum Rock, CA - Our Local Coverage Area
We’re based in the Alum Rock 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 Alum Rock
The hinges usually aren’t the problem. On older Alum Rock driveways, the hinge post has typically rotted below ground, so the post itself is leaning and taking the gate with it. Tightening hinge bolts can’t fix a failing footing. The repair that lasts is digging out the old post, setting a new one in concrete, and re-hanging the panel level. Call (903) 417-0793 if your gate won’t stay up, and we’ll confirm what’s actually failing.
Most hinge, alignment, and photocell repairs finish in two to four hours on site. A post footing replacement typically takes a day because the concrete needs to set before we re-hang the gate and re-level the operator. We’ll give you a written timeline before we start so you know what to expect.
Yes. Any automatic gate operator installed after UL 325 standards took effect is required to have a working entrapment-protection system, and photocells are the most common type. If a parked car has knocked yours out of alignment, the gate may not reverse when it should, which is a real safety gap. We realign or replace photocells as part of any Alum Rock gate service call.
Usually, yes. Control boards, limit switches, capacitors, and receiver modules are all repairable on LiftMaster and FAAC units, and most repairs run $180 to $420 before parts. We’ll tell you straight if the operator is older than fifteen years and replacement makes more financial sense. Either way, you get a written price before any decision is made.
A proper installation starts with the post footings: dug below grade, set in concrete, and left to cure before the gate hangs. Then the operator gets mounted on a level pad, the rack and pinion or arm geometry gets set, safety edges and photocells get wired and tested, and the reversal force gets calibrated. Skipping any of those steps is how you end up with a sagging gate and a burned-out motor a year later. Call (903) 417-0793 to discuss your Alum Rock gate project and get a free measure and written price.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Alum Rock and the surrounding Bay Area.





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