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 Motor & Opener Across Sierra Madre
If your automatic gate in Sierra Madre won’t open, grinds halfway, or reversed into your bumper last Tuesday, call (626) 628-9548. We repair and install Gate Motor & Opener systems throughout Sierra Madre, and we do it with a repair-first mindset: if the motor can be fixed in your driveway, we fix it. If it’s truly dead, we replace it and stand behind the work with our 90-Day Done Right Promise in writing.
Sierra Madre is different from the flat cities south of the 210. Our crews know the upper streets below Bailey Canyon, where post-wildfire debris flows bury gate posts and shear hardware. We quote the excavation and re-pour labor up front so you’re not surprised later. A live person answers our phone day or night.
Why Gatewood Fence & Gate Is Sierra Madre’s Preferred Gate Motor & Opener Company
Hal Gatewood started this business in 2001. His name is on the shop, his license number is published, and his address is on every invoice. That’s the accountability people in Sierra Madre tell us they want: a real person who shows up, does the work right, and answers the phone when you call back.
We’re the crew homeowners call when another company quoted a full replacement and we re-wired the board, replaced a limit switch, and had the gate running in under two hours. Our technicians are background-checked and uniformed, and we service nine major gate brands including LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule.
For Sierra Madre specifically, the Gate Motor & Opener in Sierra Madre work we do almost always starts with inspecting the post, not the motor. That’s the local reality. A gate that sags at the hinge post from sixty years of gravity and Santa Ana winds will shred a new motor’s gears inside a year if you don’t fix the post first.
Our Gate Motor & Opener Services in Sierra Madre
Motor Installation
Installing a new gate motor on a Sierra Madre property means more than bolting a box to a post. On the hillside lots off Baldwin Avenue and Mira Monte Avenue, the grade matters. We set the operator so the gate moves true against the slope, not fighting it. We install underground operators where the property calls for it, keeping the driveway clean and the equipment hidden. For historic homes, we spec motors that don’t overwhelm the original ironwork.

Motor Repair
Most gate motor failures we see in Sierra Madre are repairable on site. Failed capacitors, worn limit switches, stripped gears on slide operators, fried control boards from power surges during wind events. We carry common parts in the truck and we’re certified to service BFT, FAAC, Linear, and Viking equipment, among others. If we can repair the motor in your driveway, that’s what we do. We don’t sell replacements just because they’re easier for us.

Linear Motor
Linear arm motors are common on the long driveway gates of Sierra Madre’s larger properties, especially where a swing gate is heavy iron. These operators run smooth when installed correctly and ruin themselves fast when the post is even a quarter-inch out of plumb. We align the post, mount the operator, and tune the force settings so the gate doesn’t slam or stall. On a 1940s ornamental iron gate near Bailey Canyon, a linear motor matched to the existing Viking intercom is a setup we do regularly.

Slide Motor
Slide gate operators on Sierra Madre hillsides have a specific failure: rack-and-pinion hardware shears when sediment settles and the gate rail binds. You’ll hear a grinding noise and the motor will trip the breaker or fault out. We inspect the track for mud and debris, check for rail warping, and replace rack segments before they destroy the motor shaft. It’s preventive work that costs a few hundred dollars instead of a new operator at fifteen hundred.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Sierra Madre
We’re certified to service nine brands, and for Sierra Madre’s mix of old and new gate systems, we most often work on FAAC, BFT, Linear, and Viking operators. These brands show up on everything from 1960s swing gates to modern estate installations. Because we stock common replacement parts and boards in our service vehicles, turnaround for Sierra Madre calls is fast. No waiting two weeks for a part to ship from a distributor across the country.
Common Gate Motor & Opener Problems We See in Sierra Madre Homes
- Debris-flow displaced posts. After a wet winter following a fire season, posts on the upper residential streets below Bailey Canyon are found heaved laterally or buried several inches in hardened sediment. The motor itself is often fine, but it’s fighting a post that moved. Repair means excavation, re-pour, and re-alignment before the electronics are touched.
- Santa Ana wind damage to wooden gate panels. Channeled gusts through the San Gabriel Mountain passes warp aging wooden panels on exposed hillside properties. The panel pulls the hinge post out of line, which trips the loop detector and throws the safety photocell out of alignment. The gate may refuse to close or reverse halfway for no apparent reason.
- Historic ornamental iron gate sag. Sierra Madre’s Craftsman and Period Revival homes from the 1910s through 1940s often have original wrought iron gates that are 60 to 80-plus years old. At that age, the hinge post itself begins to lean, and the whole gate droops. Safety photocells misalign, and the automatic opener faults out because it’s trying to move a gate that’s no longer square to itself.
- Worn boards on integrated intercom and keypad systems. On multi-decade-old installations in Sierra Madre, the issue is often not the motor but the control board behind it. Capacitors dry out, relays stick in cold weather, and phone-line or intercom integration fails. We test the board, replace components where possible, and wire new intercom systems into existing motors when it makes sense.
Pricing for Gate Motor & Opener in Sierra Madre, CA
Here are straight numbers for Sierra Madre’s market. A basic motor repair like a capacitor swap or limit switch replacement typically runs $180 to $340. A full linear arm operator installation on a standard swing gate runs $850 to $1,400 depending on the gate’s weight and post condition. Slide motor installations run $1,100 to $1,800. Underground operator systems for high-end estate gates start around $2,900 and go up with the gate’s size and the amount of excavation required. Adding intercom integration to an existing motor runs $250 to $600 for the wiring and programming.
If a debris flow buried your post, expect the excavation and re-pour to add $400 to $900 on top of the motor work. That’s the Sierra Madre reality after a wet winter. You’ll get your price before we start. Always. We quote the job, you approve it, work begins. No trip charge inside the county, and we take $40 off any repair over $200. Seniors and veterans get a permanent 10% discount.
We Also Serve Cities Near Sierra Madre
Our gate motor and opener service covers the neighboring communities of Arcadia, San Gabriel, San Marino, and Pasadena. If you’re just over the city line, call (626) 628-9548 and ask if we serve your street. Chances are we do, and the trip charge inside the county is still zero.
Serving Sierra Madre, CA - Our Local Coverage Area
We’re based in the Sierra Madre 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 - Gate Motor & Opener in Sierra Madre
The post comes out of the ground first. We excavate the buried footing, remove the old concrete, re-set the post plumb in fresh concrete, and only after the post cures to working strength do we reinstall or repair the motor. In Sierra Madre’s upper zones below Bailey Canyon this is a standard repair sequence after wet winters, and our crews quote the excavation labor as a line item from the start. You’ll know the full cost before we dig. Call (626) 628-9548 and we’ll come assess the post.
Yes. We wire new motors into existing Viking, DoorKing, and Linear intercom systems regularly. If the intercom is analog and the new motor is digital, we install a small interface board and program the relay. You keep the intercom handset you’ve had for twenty years, and the new motor answers it the same way the old one did. It’s cheaper than replacing both.
Because the wind didn’t just shake the gate; it moved the hinge post a fraction of an inch. On an 80-year-old iron gate, the post has been working loose for decades, and a hard wind event is enough to shift it out of alignment. When the gate sags, the photocell on one side no longer lines up with the reflector on the other. The opener reads that as an obstruction and refuses to move. The fix is to re-set the hinge post, not to endlessly adjust the photocell brackets. Call us and we’ll measure the post before touching the motor.
We do. Underground operators keep the motor out of sight, which matters on historic Sierra Madre properties where a box-mounted operator would stick out against the original stonework or iron. The tradeoff is excavation and drainage. On hillside lots, we make sure the vault drains properly so the operator isn’t sitting in water after rains. Installation takes longer than a post-mounted motor, and the equipment costs more, but on a gated estate it’s the right call.
We tell Sierra Madre customers to keep the gate on manual operation for five to seven days while the concrete cures. The concrete reaches working strength in about seventy-two hours, but we want full cure before a 400-pound iron gate starts loading the post. You can still open and close the gate by hand during that week; the motor just isn’t doing the work yet. We’ll return to reattach the operator, confirm alignment, and run full cycle tests once the post is set.
Call Gatewood Fence & Gate for Gate Motor & Opener Work in Sierra Madre
If your gate motor is making noise it never made before, or it’s dead and your car is stuck on the wrong side, call (626) 628-9548. Hal and his crew serve Sierra Madre, from the Craftsman streets below downtown to the hillside properties off Baldwin and Mira Monte. You’ll get a straight answer on the phone, a free estimate before any work starts, and the 90-Day Done Right Promise on every job. We answer 24 hours a day. Not a voicemail, not a chatbot. A person.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Sierra Madre since 2001.





Before
After
Before
After
Before
After