Wrought iron
Wood & steel frame
Farm & ranch
Sliding driveway gatesFree 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.
Get your free estimateLinear Gate Repair in Los Angeles: What to Know First
Linear gate repair in Los Angeles typically costs between $185 and $650 for most common failures, with the majority of jobs completed the same day a technician arrives. We’re Portcullis Gate Repair Los Angeles, an independent Linear service provider (not affiliated with or authorized by Linear), and we handle everything from dead operator arms to gates that have sagged off their hinges. You’ll get a written price before any work starts, and every repair carries our 365-Day Done Right Promise in writing. If your Linear gate is acting up, call (213) 322-0062 and tell us what it’s doing – or not doing – and we’ll give you a straight answer.

How Linear Products Fail – and How We Fix Them
Linear operators show up on thousands of Los Angeles driveways, and after more than fifteen years working on them, we’ve learned which failures repeat and how to fix them the first time. Here are the five we see most often.
- Linear LDO and APeX series: capacitor failure on the control board. The LDO swing-gate operators and the APeX line both use electrolytic capacitors that slowly dry out in Los Angeles heat. The symptom is predictable: the gate starts moving slower than it used to, then stops mid-travel and hums, then won’t respond at all. The fix is a capacitor replacement on the board itself, not a new operator. We stock the common values for these boards, so most of these repairs happen in one visit.
- Linear Pro Access and MegaCode receivers: lost remote programming after a power flicker. This is a Linear quirk we don’t see as often on LiftMaster or DoorKing. When power cuts out and comes back dirty – common in wind events or rolling brownouts – the receiver’s memory can partially erase, leaving one remote working while the other two go dead. The fix is a full reprogramming plus a surge protector on the operator’s power feed, so the problem doesn’t return in six weeks.
- Linear SLR and LRA gate arms: misaligned limit cams after a wind gust. The SLR slide-gate operators and LRA swing-arm models use mechanically adjustable limit switches. A hard enough push from Santa Ana winds can knock the limit cam out of position, which makes the gate over-travel and slam the stop or under-travel and leave a six-inch gap. Our techs listen for the change in motor pitch, reset the limits, and re-torque the cam lock screws to spec.
- Linear LDO swing arms: worn gearbox seals letting in dust and moisture. Los Angeles coastal humidity plus weeks of dry dust is hard on gearbox seals. When the seal fails, grit gets inside the worm gear. The arm gets progressively noisier, then starts binding mid-stroke. By the time the gate stops entirely, the gear itself may be scored. We’ll replace the seal and the gear as a set, using OEM Linear parts when the operator is still under warranty and quality aftermarket gears when it isn’t.
- Linear MegaCode keypads: dead relay after a rainy season. The MegaCode keypad is often mounted on a post with nothing overhead. Weeks of rain followed by heat causes moisture to wick into the relay housing. The symptom is frustrating because it looks fine – the keypad beeps and accepts the code, but the gate doesn’t move. The relay has failed closed. We replace the relay or the keypad entirely, then seal the new unit’s backshell with dielectric grease as standard practice.
Styles & brands we work with




Our Linear Gate Repair Process
- 1
You call (213) 322-0062 and describe the problem. A live person answers, day or night. We ask what the gate is doing, what model you have, and how long it’s been acting up. We’ll give you a ballpark range on that first call.
- 2
We arrive in a real window. No four-hour stretches. You get a real arrival window and the tech’s name before the truck rolls.
- 3
Diagnosis, in plain English. We trace the circuit, check the limit switches, test the receiver, and listen to the motor. Then we explain what’s failed and what it’ll take to fix it. You get the price in writing before we turn a single bolt.
- 4
Parts decision, made together. If your Linear operator is still under factory warranty, we insist on OEM Linear parts so the warranty stays intact. If it’s out of warranty, we’ll show you the OEM vs. quality aftermarket difference and let you decide.
- 5
The repair and the test. We make the fix, adjust limits and force settings, then cycle the gate a full twenty times under load. If it fails once, we’re not done.
- 6
Cleanup and the written guarantee. We leave the job site cleaner than we found it, then hand you an invoice with the 365-Day Done Right Promise stamped on it. If the repair fails inside that year, we come back and fix it at no charge.
See the difference
Before
After
Before
After
Before
AfterWhat Linear Gate Repair Costs in Los Angeles
Here are real numbers for the Linear jobs we do most in Los Angeles, including parts and labor:
- Capacitor replacement on LDO or APeX board: $185 – $285
- Reprogram MegaCode receivers and remotes: $145 – $220
- Reset limit cams on SLR or LRA operators: $165 – $260
- Gearbox seal and gear replacement on LDO arm: $340 – $620
- MegaCode keypad relay or full keypad replacement: $190 – $380
- Complete Linear operator swap (parts and labor): $780 – $1,300 depending on arm length and gate weight
What moves the price: the distance from our South LA shop, the gate’s weight and condition, whether we’re replacing a board component or the whole operator, and whether OEM Linear parts are required for warranty reasons. You’ll always know the price before we start, and that price won’t change because “we found something else once we got in there.” Call (213) 322-0062 for an exact quote. Estimates are free.
Why Los Angeles Homeowners Call Portcullis Gate Repair Los Angeles for Linear Work
Most of our Los Angeles customers have already been burned once – a gate company that ghosted them, a price that doubled at the door, or a repair that lasted six weeks. We’re not that company. We’ve operated as a Kingswell company since 2008, and every job follows The Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. That guarantee runs 365 days and includes a free second visit if the repair doesn’t hold. Our techs are background-checked and arrive in uniform. And while Linear is a brand we know deeply, we also service LiftMaster, Mighty Mule, Ghost Controls, and DoorKing – so if your property has mixed equipment, one visit handles all of it. Dean Prescott, our owner, grew up in Crenshaw and spent weekends watching his uncle hang gates around South LA. He’ll tell you what the gate is doing – or not doing – and he’ll give you a real number before the truck even pulls out of the driveway.
FAQs
No, not when the repair is done correctly. If your Linear operator is still under factory warranty, we use OEM Linear parts and follow manufacturer torque and adjustment specs so the warranty stays intact. If it’s out of warranty, we’ll show you the aftermarket options and let you choose. Either way, our repair itself is covered by our own 365-Day Done Right Promise. Call (213) 322-0062 and we’ll tell you what your warranty status means for your repair.
We stock the common failure parts – capacitors for LDO and APeX boards, limit cams for SLR and LRA arms, MegaCode receivers and keypads, gearbox seals – in our Los Angeles shop. That means most Linear repairs happen in one visit. If your repair needs a part we don’t have on the truck, we’ll give you a straight answer on lead time before we leave.
For a dead operator, a gate stuck open, or any failure that leaves your property unsecured, we prioritize your call. In most Los Angeles neighborhoods we can have a tech out same day or next morning. For a slow gate or a keypad that’s acting up, we’ll give you the first available window and a real arrival time. Call (213) 322-0062 and tell us what’s happening. We’ll tell you how soon we can be there.
Noise usually means the gearbox is wearing – a seal has failed, or the grease has thinned out, or the arm has been knocked out of alignment. If the motor still runs and the gate still travels, the repair is usually under $400 and buys you years more service. We’ll tell you honestly when a repair no longer makes sense and a new operator is the better money. You’ll have that recommendation in writing before any work begins.
Yes. We remove the old operator, install the new Linear (or a compatible alternative if your gate’s weight or usage calls for it), set the limits, adjust the force, and test the gate through twenty full cycles. The swap includes cleanup and the written guarantee. If you’re within our Los Angeles service area, the estimate is free. Call (213) 322-0062.
Written by Dean Prescott, Owner & Lead Gate Technician, Portcullis Gate Repair Los Angeles at Portcullis Gate Repair Los Angeles, serving Los Angeles and nearby areas.