A Calder company - serving San Antonio, TX

Linear Electric Gate Repair Nationwide

Wood & steel frameWood & steel frame
Sliding driveway gatesSliding driveway gates
Every visit starts with

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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Linear Electric Gate Repair in San Antonio: What to Know First

We repair Linear electric gate openers across San Antonio, and most jobs are completed the same day we arrive. A Linear gate opener repair typically runs $185 – $425 before parts, and you’ll get a written price before we touch anything. If you’re searching for “Linear gate repair near me” because your gate stopped opening, is beeping but not moving, or only works with the remote half the time, call us at (361) 314-4803 and we’ll walk you through what we’re likely dealing with.

Call (361) 314-4803

This page is for San Antonio homeowners with a Linear gate opener who want real answers, not a sales pitch. Linear is one of the nine brands our techs work on regularly, so we know exactly where these units fail and what the fix should cost.

How Linear Products Fail – and How We Fix Them

Linear openers are common on San Antonio homes built in the 2000s and early 2010s, especially the swing gate models. They’re workhorses, but they fail in predictable ways. Here’s what we see most often:

  • Linear LSO/SO series actuator arm seizing. The Linear actuator arm on swing gate models (LSO, SO series, and the older M3) is the most common failure we repair. The internal plastic gears strip or the arm locks up after years of direct sun and heat expansion. In Shavano Park and Stone Oak, where gates sit in full afternoon sun, we replace these arms regularly. The fix is a new actuator arm or a gear rebuild, depending on arm age.
  • APeX control board relay failure. Linear’s APeX series boards are solid, but the onboard relays wear out, especially on gates that cycle more than 30 times a day. The symptom shows up as the gate starting to move, then stopping and reversing halfway. We diagnose the board, confirm it’s a relay and not a limit switch, and replace the relay or the board itself.
  • Safety sensor misalignment on M3 and APeX systems. Linear safety edges and photo eyes go out of alignment when gate posts shift in San Antonio’s clay soil. The gate will start closing, then stop and reverse like a garage door that thinks something is in the way. We realign the sensors and check the post for movement before it damages the operator.
  • Remote and keypad signal drop on Linear Multi-Code receivers. Linear’s Multi-Code platform (the 300 MHz receivers) is reliable, but the older Add-on keypads lose programming after power blips. We reset the receiver, reprogram the remotes, and if the keypad is sun-baked and dead, we quote a replacement before we swap it out.
  • Limit switch failure on LS0 and APeX slide operators. The limit switches, which tell the gate exactly where to stop, either drift or fail outright on San Antonio slide gates. A drifted limit switch makes the gate slam into the post or stop a foot short. We adjust or replace them, then run the gate through ten full cycles to make sure it stops where it should.

A note on the Linear LDO series: these are still in service around Alamo Heights and Terrell Hills, but Linear discontinued the line years ago. We can usually repair the arm or board with quality aftermarket parts, but if the unit is beyond service, we’ll give you a straight answer and quote a replacement that fits your existing gate.

As an independent Linear service provider, Calder Gate Repair San Antonio is not affiliated with or authorized by Linear. That’s actually good for you: we stock aftermarket and OEM parts, and we’ll choose whichever gets your gate working correctly for the best price.

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Styles & brands we work with

Wood & steel frame
Wood & steel frame
Sliding driveway gates
Sliding driveway gates

Our Linear Electric Gate Repair Process

  1. 1
    You call, a person answers. No phone tree, no chatbot. You describe the symptoms, we give you a likely diagnosis and a rough price range on the spot.
  2. 2
    We arrive with a trackable ETA. You get a text when we’re 20 minutes out, with a live arrival time. No four-hour windows.
  3. 3
    We diagnose in writing. We test the operator: actuator arm, control board, limit switches, safety edges, remote receiver. We tell you what’s wrong and what we recommend.
  4. 4
    You get a written price before work starts. The number we write down is the number you pay. If additional parts are needed, we stop and re-quote. If the price isn’t in writing, it isn’t real – Nico Alvarez texts it to you before he opens his toolbox.
  5. 5
    We repair, test, and document. We fix the issue, cycle the gate multiple times, adjust the travel and force settings, and send you before-and-after photos and a digital invoice you can pay from a link.
  6. 6
    The 365-Day Done Right Promise is on every job. If the repair fails within 365 days, Calder returns at no charge. Free second visit, no fine print.
Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

What Linear Electric Gate Repair Costs in San Antonio

Here’s what you can expect to pay for common Linear repairs in the San Antonio area. These are real ranges, not some national average from a marketing site:

Linear Repair Typical Cost Range
Service call + diagnosis $85 – $135 (waived with repair)
Actuator arm replacement (LSO/SO series) $320 – $525
APeX control board replacement $425 – $680
Limit switch adjustment or replacement $125 – $240
Safety sensor realignment $95 – $185
Remote or keypad programming $65 – $145

What moves the price? Gate type (slide operators take longer than swing actuators), board age, and whether we’re using OEM or quality aftermarket parts. We’ll tell you the difference and let you choose.

Every quote is free, written, and agreed to before we start. For an exact price on your Linear opener, call (361) 314-4803.

Why San Antonio Homeowners Call Calder Gate Repair San Antonio for Linear Work

Our techs see more Linear openers in a month than most repair companies see in a year. We know the M3 arm, the APeX board, the Multi-Code receiver issues, the older LDO quirks. But we’re not a one-brand shop: if your Linear unit is dead beyond reasonable repair and it makes more sense to replace it, we can talk you through a LiftMaster, Mighty Mule, Ghost Controls, or DoorKing alternative without the sales pressure.

Every job gets the same three guarantees, in writing, no exceptions: a written price before work starts, a written guarantee on every repair, and the 365-Day Done Right Promise. If our repair fails within a year, we come back free. That’s the deal on every job.

We’re part of the Relay Home Co. family, which has been running since 2009. Every location is independently owned and operated under The Relay Visibility Guarantee, so you get a live human on the phone 24/7, a background-checked technician in uniform, and delivery on every promise we make.

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