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 Brentwood
A gate motor replacement in Brentwood typically runs $900-$2,400 installed, depending on whether we’re working with an existing operator mount or retrofitting a gate that was built manual. Most motor-only repairs land between $225 and $480, and we carry parts for the brands already on Brentwood’s gates. If your gate opener is dead, half-opening, or groaning under the load of a misaligned post, call (323) 677-4063 and a live person answers.
We work throughout Brentwood’s HOA communities and the older rural-edge properties that still run farm-style gates. The housing stock here has a specific problem we don’t see anywhere else in Contra Costa at this volume: hundreds of automatic gates installed between 2004 and 2008 are hitting year 15 to 20 at the same time, and Brentwood’s summer heat plus harvest dust speeds that clock up. Our Gate Motor & Opener team knows which builder-grade units last and which ones were undersized from day one. You can meet Hal Gatewood at the shop and look him in the eye before any work begins.
Why Gatewood Fence & Gate Is Brentwood’s Preferred Gate Motor & Opener Company
Hal Gatewood has been at this since 2001, and his name is on the shop. That means something in Brentwood, where people still expect to see the same face next week that they saw this week.
We answer the phone with a person. Not a voicemail tree, not a call center three states away. When a Brentwood homeowner calls at 9 p.m. because their swing gate won’t close and the grandkids are visiting, a real person picks up. We tell you when we’ll be there and that’s when we show up.
Our repair-first philosophy matters here. A lot of companies will tell you the operator is shot and you need a full swap because that’s the easy sale. Hal climbs under the gate, tests the motor draw, checks the limit switches, and finds out what actually failed. If it’s a $40 capacitor, that’s what we replace. If the operator is genuinely done, we tell you straight and show you why.
Every job comes with the 90-Day Done Right Promise in writing. If it’s not right, Hal comes back. No runaround. And we offer a free second opinion on any written estimate you’ve already gotten from another company, so Brentwood homeowners never have to guess if they’re being upsold.
Our Gate Motor & Opener Services in Brentwood
Motor Installation
Adding an operator to a gate that was originally installed manual is common in Brentwood’s 2000s-era neighborhoods. Builders poured concrete and set posts but often didn’t stub conduit for power. We handle that: trenching, conduit runs, and proper wiring to code. For gates already wired, most installations in Brentwood run $1,100-$2,200 including the operator, mounting hardware, and safety entrapment protection. The price is agreed before any work begins, and it’s the price on the invoice.

Motor Repair
When a Brentwood gate stops mid-cycle or won’t respond to the remote, the failure is usually one of four things: a dead capacitor, a worn gear, a misaligned limit switch, or a motor burned out from fighting a post that’s drifted out of plumb. Most repairs land between $225 and $480. We test the draw before we condemn a motor. Fix the post without the panel and you’ll fix it twice; we make sure the operator isn’t working against a structural problem before we hand it back to you.

Linear Motor Service
Linear operators are on a lot of Brentwood’s slide gates, especially along the eastern edges where lots opened up to orchards. These units are workhorses but they’re sensitive to dust infiltration. Brentwood’s agricultural fines work into rack-and-pinion drives faster than in Antioch or Oakley, and we see premature gear wear every harvest season. We stock Linear replacement gears, limit switches, and circuit boards locally, so turnaround is faster. Typical Linear motor repair in Brentwood runs $250-$520.

Slide Motor Installation & Repair
Slide gates are the default for longer driveways and narrow street-front lots across Brentwood’s HOA communities. A slide motor replacement with new mounting plate and chain or rack adjustment typically runs $1,000-$2,400 in Brentwood, depending on gate weight and whether we’re reusing existing conduit. The critical piece is track alignment. Fine dust from surrounding agriculture packs into the track channels, and a motor overdrawn on a dirty track burns out years early. We clean the track, set the chain tension, and confirm the motor isn’t fighting before we leave.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Brentwood
We’re factory-trained on the operators Brentwood homes actually carry. LiftMaster, FAAC, BFT, and Mighty Mule are on service calls here every week. For Brentwood homeowners with 2000s-era builders’ units, we often recommend a LiftMaster LA500 or FAAC swing operator when replacement is genuinely warranted, because both handle thermal expansion better than the builder-grade models originally installed. We carry parts for all nine major brands we service, which means most Brentwood repairs don’t wait on a parts shipment.
Common Gate Motor & Opener Problems We See in Brentwood Homes
- Builder-grade operators from 2004-2008 hitting end of life. Brentwood’s fast growth window produced gates with entry-level motors that were sized to a price sheet, not to a 16-foot steel gate. Fifteen to twenty years later, those units are failing in a wave, and summer heat loads accelerate every failure mode.
- Missing or undersized conduit from original construction. If the builder left the gate manual, there’s often no pipe in the ground. Adding automation to a gate on a Brentwood property frequently means surface-mounted conduit or a short trench run. We quote that work up front so there’s no surprise on the invoice.
- Hinge post drift from thermal expansion. Brentwood’s inland valley location routinely pushes summer highs past 100°F. That heat expands steel and shifts post footings in dry soil. The operator doesn’t fail first; the post moves and the motor burns out trying to push a gate that’s no longer hanging true. A gate sags in the hinge post, not in the middle, and that is where we start.
- Dust packing into motor housings and rack gears. The orchards surrounding Brentwood’s eastern and southern subdivisions generate fine particulate that works its way into operator internals. From May through September, we see a predictable spike in motor-overload and gate-dragging calls that neighboring cities just don’t experience at the same volume.
Pricing for Gate Motor & Opener in Brentwood, CA
Here are honest numbers for Brentwood’s market. Motor repair on an existing operator: $225-$480. New motor-only replacement: $500-$900 for the unit plus labor. Full operator installation on a gate already wired: $1,100-$2,200. Retrofit on a manual gate with trenching and conduit: $1,800-$3,200. Slide motor replacement: $1,000-$2,400. Factors that move the needle: gate weight, run length for new conduit, whether we’re reusing an existing mount, and whether entrapment safety devices are already in place. Every estimate is free and the price is set before work starts. We honor $40 off any repair over $200, no trip charge inside the county, and a permanent 10% discount for seniors and veterans.
For an exact quote on your Brentwood gate, call (323) 677-4063.
We Also Serve Cities Near Brentwood
Our crews regularly work the East Contra Costa corridor, and we take calls from Tarzana, Encino, Van Nuys, and Sherman Oaks. If you’re outside Brentwood proper, we’re glad to come take a look. You can find our full coverage details on the Gate Motor & Opener in Brentwood page and give us a call to confirm your address.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 Brentwood
Brentwood’s housing boom ran hot from 2004 to 2008, and most of those automatic gates were spec’d with entry-level builders’ operators. Those units have a 15 to 20 year service life, which means the entire housing vintage is crossing the failure threshold at the same time. Summer heat over 100°F and harvest dust from surrounding orchards push that clock faster than in Antioch or Oakley. If your operator is from that era and cycling slower than it used to, call (323) 677-4063 for a free estimate before it strands you.
Yes. Most manual gates in Brentwood were built without conduit stubbed for power, so the work usually means a short trench or surface-mounted conduit run in addition to the operator and mounting. We quote the whole job, including power run and safety edges, before anything starts, and the number on the estimate is the number on the invoice. Free estimates at (323) 677-4063.
The eastern and southern edges of Brentwood border active orchards and row crops, and during spring and summer harvest, tractors put fine dust on the air. That dust infiltrates motor housings, track channels, and rack gears, causing dragging and overload failures we rarely see a few miles west. Our crews carry extra gear wear parts when we head east so we can usually complete the repair same visit.
Usually no. A dragging gate means the hinge post or track has shifted and the motor is fighting the misalignment. That’s what burns out good operators. We level and set the post or clear the track first, then test motor draw. Often the motor is fine once the mechanical load is corrected. Show me the gate closing on its own and I’ll show you where it’s failing. Call (323) 677-4063 and we’ll diagnose it on site.
For most Brentwood homes, yes. Brentwood sits in an inland valley where summer blackouts and PG&E public safety power shutoffs are a real thing. A gate with battery backup still opens when the power’s out, which matters for emergency access and for getting the car out. We install battery backup kits on most new operator installs we do in Brentwood and recommend them strongly on existing systems. Call (323) 677-4063 and we’ll spec the right unit for your operator.
Contact Gatewood Fence & Gate for Gate Motor & Opener in Brentwood
If your gate motor is dead, dragging, or screaming, call (323) 677-4063. A person answers. We’ll give you a straight answer on whether it’s a repair or a replacement, and the price is set before we start. Hal Gatewood’s name is on the shop and on every invoice, and the shop is down the road. That’s the oldest accountability there is.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Brentwood and the East Contra Costa corridor.





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