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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AfterFast, Reliable Gate Opener Repair Across Kentfield
When a gate opener fails in Kentfield, it rarely fails gently. The motor burns out on a slope. The keypad goes dead at the worst possible moment. The gate starts drifting open at 2 a.m. And because most Kentfield driveways climb off Sir Francis Drake Blvd, a broken opener isn’t a minor annoyance, it’s a car you can’t get up the hill and a property that’s no longer closed off. Most gate opener repairs in Kentfield run $180 – $425 before parts, and we can usually diagnose the problem in a single visit. Call (903) 417-0793 and a live person answers, day or night.
We’re Calder Gate Repair, the gate division inside the Relay Home Co. family. We’ve worked on gates throughout Marin County, and Kentfield’s hillside lots present a very specific set of problems that flat-town gate companies don’t always catch. That local experience matters more than you might think.
Why Calder Gate Repair Is Kentfield’s Preferred Gate Opener Repair Company
Kentfield homeowners tend to be direct. They want to know who’s coming, when they’ll arrive, and what the job costs before a single part gets ordered. That’s exactly how we operate. Every visit starts with a written price. The number you see on the invoice at the end is the number you agreed to before we started. No add-ons, no hand-waving, no surprises.
Our technicians are background-checked, uniformed, and familiar with the gate openers most common in Kentfield: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. We train on all nine, which means if your opener is an older DoorKing or a newer Ghost Controls unit, the tech showing up won’t be learning on your gate.
Led by Nico Alvarez, our crew takes the 365-Day Done Right Promise seriously. It’s written on every job: if the repair isn’t right, we make it right. If it fails within a year, we return and fix it at no charge. That’s not marketing language. It’s the guarantee we put in writing on every single repair we do in Kentfield.
We also answer the phone with a live human, 24 hours a day. No phone tree, no callback queue, no chat bot. You call, a person picks up, and we get your gate on the schedule.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Kentfield and Marin County.
Gate Opener With Keypad in Kentfield
Most Kentfield homes with an automatic gate have keypad entry, and when the keypad stops working, it usually means one of two things: the keypad’s wireless signal has drifted out of range, or the opener’s control board has stopped recognizing the code. Sometimes the keypad itself is simply dead after years of rain exposure on a coastal hillside. We diagnose the actual root cause before we replace anything, because swapping a keypad when the board is the problem just burns money.
A keypad replacement in Kentfield typically runs $120 – $260 including the new unit and programming. If the control board needs work, you’re looking at $200 – $400 depending on the brand and model.
Keypad Programming and Integration
We program keypads to work with every major opener brand we service, including Linear, Viking, and DoorKing. That integration matters. A keypad that fires intermittently is usually a wiring or receiver issue at the opener, not a bad keypad. We test the whole signal chain before declaring anything fixed.
When Repairs Aren’t Enough
Some older keypads aren’t worth saving. If the housing is cracked, the buttons are worn, or the internal battery terminals have corroded, we’ll tell you straight and quote a replacement. We don’t pad repairs to keep a dead keypad on life support.
Gate Operator in Kentfield
Gate operator failures in Kentfield have a pattern we see over and over: the operator is undersized for the driveway slope, and it’s been overheating for years until it finally quits. A swing gate on an incline puts constant load on the motor, especially with a long leaf. Flat-town installers sometimes spec a standard-duty unit, and it works fine in Corte Madera, then burns out in Kentfield.
Replacing a gate operator in Kentfield typically runs $450 – $900 for the operator itself, plus $150 – $300 for installation labor depending on gate weight, access, and whether existing wiring and safety sensors can be reused. We always replace or recalibrate safety photocells as part of any operator swap.
Operator Sizing for Sloped Driveways
We spec duty cycles and torque ratings based on the actual geometry of your gate and driveway, not a generic chart. A Kentfield driveway with a 12% grade needs a different operator than a flat Larkspur lot. Getting this right is why our repairs last, and it’s a big part of the Gate Opener Repair work we do around Marin.
Entrapment Protection and Reversal Testing
By law, gate operators need working entrapment protection: photocells or contact edges that reverse the gate if something’s in the way. We test reversal force and sensor placement on every operator job in Kentfield. Most of the failures we see on hillside gates involve sensors that have drifted out of alignment or been bypassed by a previous handyman.
Trusted Brands We Service in Kentfield
We’re factory-familiar with the brands Kentfield homes actually have installed. LiftMaster and FAAC are common on newer properties, while older Kentfield gates often run Linear, Viking, Ghost Controls, or DoorKing operators that are no longer widely supported. We stock common boards, capacitors, sensors, and keypads locally, which means for many Kentfield repairs we can finish the job in one visit instead of ordering a part and coming back next week. If your opener is a Ghost Controls unit with a failed arm, or a Viking board that won’t accept keypad codes, we’ve seen it before and we know the fix.
If you’re closer to the flats, we make the same run into Larkspur, San Anselmo, San Rafael, and Corte Madera. The Gate Opener Repair in Kentfield page covers our local coverage area and how we dispatch into these nearby towns.
Common Gate Opener Repair Problems We See in Kentfield Homes
- Operators burned out on driveway grades. Kentfield lots climb steeply off Sir Francis Drake Blvd, and standard-duty openers working a long swing gate on that slope run hot and die early. We see this constantly, and it’s why we size operators to the actual grade, not the flattest part of the driveway.
- Loop detectors confused by cut-and-fill driveways. Hillside lots often have deep cut-and-fill construction, which can create irregular ground planes that confuse induction loops. The gate opens when nobody’s there, or won’t trigger when you pull up. Re-tuning or replacing the loop controller fixes it.
- Sagging gates on shifting hinge posts. Soil movement on sloped Kentfield properties slowly moves hinge posts, which makes the gate leaf sag. Then the operator strains against the sag every cycle, which wears out the rack and pinion and burns the motor. Fixing the sag before replacing the operator is the correct sequence, and it’s one we recommend constantly.
- Keypads failing after coastal weather exposure. Salt air and wet winters are hard on exterior keypads. Buttons corrode, seals fail, and the PCB inside degrades. We replace these with weather-sealed units and test them on-site before we leave.
Pricing for Gate Opener Repair in Kentfield, CA
Here’s what Kentfield homeowners can expect. A service call to diagnose a gate opener runs $95 – $125. Repairs like capacitor replacement, limit switch adjustment, or sensor realignment typically run $180 – $425. Keypad replacement runs $120 – $260. Full gate operator replacement runs $450 – $900 for the unit and $150 – $300 for labor. The final number depends on brand, gate weight, slope, and whether existing wiring is usable. You get the full written price before we start. Always. Call (903) 417-0793 for a free estimate and an exact quote.
We Also Serve Cities Near Kentfield
Our gate opener repair coverage extends beyond Kentfield to the surrounding Marin communities. We handle keypad failures, operator burnouts, and safety sensor issues in Larkspur, San Anselmo, San Rafael, and Corte Madera. Same technician, same written-price guarantee, same 365-Day Done Right Promise.
Serving Kentfield, CA - Our Local Coverage Area
We’re based in the Kentfield 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 Opener Repair in Kentfield
Your operator is almost certainly undersized for the slope. Kentfield driveways off Sir Francis Drake Blvd commonly run at grades from 8% to 15%, and a standard-duty swing gate operator working that incline overheats and fails years early. The fix is a heavier-duty operator with a higher duty cycle, plus checking that the gate itself isn’t sagging on its hinges. We size the replacement to your actual driveway geometry. Call (903) 417-0793 and we’ll come measure the gate and give you a written price.
That’s almost always a loop detector problem, not a ghost. Kentfield’s hillside driveways are often built on cut-and-fill lots, and the uneven ground plane confuses the detector loop, causing phantom activations. We re-tune or replace the loop controller and run a full false-trigger test before we leave. Sometimes it’s a failing receiver board, which we can also diagnose in the same visit.
Yes, and any honest gate tech will tell you the same. A sagging gate puts constant drag on the operator, which burns out motors and racks. On sloped Kentfield lots, sag often comes from hinge post movement in shifting soil. We reset the post footings, correct the sag, and then mount the new operator. Skip the sag fix and you’ll be replacing the operator again in a few years. The written quote covers the full scope so you know the total before we start.
Yes, every automatic gate opener in Kentfield is required by California law to have working entrapment protection: photocells or contact edges that reverse the gate when something’s in the path. We test reversal sensitivity and sensor alignment on every repair. If your current sensors have been bypassed or are out of alignment, we correct that as part of the job. This is not an optional extra, and we include it in the price you see upfront.
Most common repairs like capacitor replacement, keypad programming, and sensor realignment are done in under two hours on-site. Full operator replacement on a sloped Kentfield driveway usually takes half a day if the hinge post and footings are sound. If the gate needs to be re-hung or the post footings reset first, plan for a full day. We’ll give you a realistic time estimate when you book, and you’ll have a live arrival window you can track before we show up. Call (903) 417-0793 to get on the schedule.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Kentfield and the surrounding Marin County communities.