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 Motor & Opener Across Corte Madera
Gate motor and opener repair in Corte Madera typically runs $240-$480 for control board replacement, $380-$750 for a full operator swap, and $150-$300 for hinge post resets on salt-corroded gates. Most jobs we handle in the 94925 and 94976 ZIP codes are completed same day or next morning, because we know the housing stock, the marine layer, and the way salt air eats older Viking and LiftMaster operators here faster than anywhere else in Marin. Call (877) 610-2993 and Hal Gatewood or one of his crew will talk you through what’s actually wrong before anyone gets in a truck.
This page is for Corte Madera homeowners who want the straight answer on whether to fix a tired gate opener or replace it. If you live in the flatlands off Paradise Drive or up the slope toward Ring Mountain, you already know the fog doesn’t just visit, it stays. That changes what fails, how fast it fails, and what repair actually makes sense. We’ve been at this since 2001 and we service Corte Madera weekly, not occasionally.
Why Gatewood Fence & Gate Is Corte Madera’s Preferred Gate Motor & Opener Company
Hal Gatewood’s name is on the shop and on every invoice. The address is published, the license number is checkable, and that’s the oldest accountability there is. When a Corte Madera homeowner calls about a gate that quit halfway open on a Monday morning, the person who answers is someone who has actually worked on gates near the marsh, not a stranger reading a script.
We answer every call with a live person, 24/7. Not a voicemail, not a queue. That matters when your gate is stuck open at 9 p.m. and the only thing between your backyard and the street is a beeping control board. We’re locally owned and owner-operated, and we’ve been repairing what other companies want to replace since 2001. Our Gate Motor & Opener crew carries parts for Viking, Ghost Controls, DoorKing, and Elite systems on the truck, which means less waiting when you need a swing arm motor or a new loop detector.
Corte Madera homeowners tend to call us after a chain outfit quoted one price over the phone and a different one at the door. We don’t work that way. Every estimate is written, the price is agreed before work starts, and our 90-Day Done Right Promise is in writing on every job. If it’s not done right, one call brings us back. No fine print, no runaround.
We also know the local terrain. A gate on a steep curved driveway off Eastman Lane doesn’t swing the same as a gate on a flat lot off Tamal Vista Boulevard. That matters when you’re sizing a linear motor for a rack-and-pinion retrofit or deciding whether a slide operator can be mounted without cutting into a retaining wall. This is the kind of thing you learn by working in Corte Madera for years, not by reading a catalog.
Our Gate Motor & Opener Services in Corte Madera
Here’s what we actually do in Corte Madera, and what makes sense for the gates we see here. Most of our work is Corte Madera Gate Repair, because a corroded hinge post doesn’t get fixed by bolting on a new operator.
Motor Installation
A new Gate Installation - Corte Madera runs $600-$1,200 for a standard single-swing arm operator, and $900-$1,800 for a slide motor with rack and mounting. On bay-facing properties we recommend a sealed NEMA-rated enclosure as standard practice, not an add-on. The marine air here will find every gap in a cheap plastic housing within two seasons. We mount, wire, program remotes, set limits, and test safety edges before we leave. Nothing gets left half-done.
Motor Repair
Most Corte Madera motor repairs involve control boards that have corroded from salt moisture wicking into underground conduit. We see it constantly in the flatlands off Paradise Drive and along the shoreline. A typical logic board replacement runs $240-$480 depending on brand and availability. We also replace capacitors, limit switches, and seized clutch components. If we can rebuild the motor on site, we will. Hal fixes the gate in your driveway rather than hauling it off or selling you a new operator you don’t need.
Linear Motor
Linear gate motors are common on Corte Madera slide gates, especially on wider driveways where a swinging panel would hit the street or a retaining wall. A linear motor retrofit on an existing slide gate runs $850-$1,600 including rack, mounting hardware, and programming. These units have a simpler gear train than swing arms, which means fewer moving parts to corrode. The weak points in this climate are the power supply and the limit switch housing. We seal both properly the first time.
Slide Motor
Slide gate motors in Corte Madera get worked harder than swing operators, because the gate has to push its full weight along a track that’s constantly collecting salt dust and fine marsh sediment. We see seized rollers and pitted tracks on bay-flat properties more than anywhere north of the 101. A full slide motor replacement runs $800-$1,700 depending on gate weight and whether the existing track needs rebuilding. We always check the track and the end stops before we talk about the motor itself. A gate sags in the track, not in the middle, and that’s where we start.
Intercom Integration
Many Corte Madera homes with 1990s and 2000s gate installations still have old intercom and keypad systems wired to the operator. We integrate new intercoms, keypads, and phone-based entry into existing gate motors without replacing the operator unless it’s truly dead. This runs $250-$500 for most residential setups in the 94925 area, plus the hardware itself.
Battery Backup
Given how often the bay side of Corte Madera sees storm-driven power loss, battery backup is a smart add-on for any automated gate. A battery backup unit for a swing or slide operator runs $300-$550 installed. We wire it to cycle automatically on outage. For gates that secure a hillside driveway off Redwood Highway or along Ring Mountain, this is the difference between a gate that works after a storm and one that sits open until the next afternoon.
What happens when you call
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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 Corte Madera
We service and stock Corte Madera Gate Parts & Welding for Viking, Ghost Controls, DoorKing, and Elite systems, along with LiftMaster, FAAC, BFT, Linear, and Mighty Mule. Corte Madera has a surprising number of older Viking swing operators still in service, and we keep replacement boards and arm assemblies for those because the manufacturer doesn’t make them anymore. Ghost Controls and DoorKing units are more common on newer installs, particularly on the hillside properties where owners wanted quieter operators and better safety features. We don’t play brand favorites. We fix what you have, and we tell you straight when a brand has stopped supporting your board entirely.
Common Gate Motor & Opener Problems We See in Corte Madera Homes
These are the issues we run into repeatedly in Corte Madera, and they’re not the same list you’d get for San Rafael or Novato.
- Corroded control boards from salt moisture in buried conduit. Water wicks into underground conduit along the bay flats, condenses inside the housing, and eats the board. In Corte Madera we recommend sealed NEMA enclosures as a baseline, not an upsell.
- Seized hinge posts and pitted steel. The nightly marine layer off San Francisco Bay keeps moisture trapped around gate posts in the flatlands near the marsh. Posts set 15 or 20 years ago are now rotted at the footing or so pitted the gate hangs crooked.
- Obsolete Viking and LiftMaster operators from the 1990s. The boards and remotes for these units have been out of production for years. The owner hears “replacement parts unavailable” and assumes they need a whole new gate. Sometimes the better answer is a new motor on the existing panel.
- Shorted loop detectors every winter. Bay-front properties in the 94925 ZIP see detector loops fail in the rainy months because salt water and moisture have compromised the splice. If your gate won’t open for your car but works with the remote, that’s usually the loop.
Pricing for Gate Motor & Opener in Corte Madera, CA
We quote every job before we start, in writing, and the price doesn’t change at the door. That’s a core promise, not a footnote. Here are the ranges we see for Corte Madera work:
What You Can Expect to Pay
- Control board replacement: $240-$480
- Hinge post reset (single post, no concrete replacement): $150-$300
- Full swing arm motor installation: $600-$1,200
- Slide motor replacement with rack: $800-$1,700
- Battery backup installation: $300-$550
- Intercom or keypad integration: $250-$500 plus hardware
No trip charge inside the county. Seniors and veterans get a permanent 10% discount. And $40 off any repair over $200. We’ll also give a free second opinion on any written estimate from another company. Bring us the paper and Hal will tell you if they’re selling you work you don’t need. Call (877) 610-2993 for an exact quote on your gate.
We Also Serve Cities Near Corte Madera
Besides Gate Motor & Opener in Corte Madera, we work regularly in Larkspur, Mill Valley, Tamalpais Valley, and Tamalpais-Homestead Valley. Same crew, same warranty, same live person on the phone at 2 a.m. if your gate quits during a storm. You won’t get a different company just because your driveway is one exit north or south of the 101.
Serving Corte Madera, CA - Our Local Coverage Area
We’re based in the Corte Madera 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 Corte Madera
Because the marine layer rolls directly off San Francisco Bay onto the Corte Madera lowlands almost every night, carrying salt moisture that settles on and inside gate operators, hinges, and buried conduit. Fairfax sits inland behind the hills and dries out during the day. Here, the bay-flat sections rarely dry fully. That constant moisture accelerates oxidation on control boards and ferrous hardware, and it’s why a gate motor in Corte Madera can fail in half the time of an identical unit in Fairfax. Our standard repair on marsh-side properties includes sealing or replacing enclosures and checking conduit drain points.
If your gate has been acting up for months and you’re near the marsh, call (877) 610-2993 and describe what you’re seeing. Hal will tell you over the phone whether it sounds like corrosion or something else.
Most 1995 Viking swing operators cannot be retrofitted to meet current UL 325 safety requirements, because the logic boards lack the inputs for monitored photo eyes and reversing edges. You could bolt on aftermarket safety devices, but the controller won’t properly supervise them, and that means the gate will not actually comply. Board replacements for those units are also largely gone. In most Corte Madera cases we find replacing the operator with a new motor on the existing gate is cheaper than patching a 30-year-old system. A new swing arm motor with safety edges runs $600-$1,200, and we can usually keep the existing steel panel if the hinge posts are still solid.
It’s almost always structural. The motor didn’t push the post over; the post shifted because of soil movement, an under-sized footing, or years of the gate’s weight working against a hillside grade. Hanging a new operator on that post won’t fix anything. We reset the post with a proper footing and then check the gate’s weight and arc on the grade. The fix runs $150-$300 for a single post reset, more if we need to cut and pour fresh concrete. Call (877) 610-2993 and we’ll come look before you spend money on a motor you don’t need.
Because winter rain and runoff push moisture into the splice where the loop wire meets the lead-in conduit, and on bay-front properties that moisture carries salt. The short trips the detector and the gate won’t open for your car even though the remote works fine. The fix is to re-splice the loop with waterproof connectors and, on marsh-side properties, run new lead-in wire through sealed conduit. We do this routinely in the flatlands off Paradise Drive. The repair typically runs $180-$300 depending on how much wire needs replacing.
Ask whether the failure is the board, the motor, or the hinge hardware. An older LiftMaster with a dead board might only need a board replacement if one is still available. But many LiftMaster units from the 1990s and early 2000s are out of production, and sourcing a functional board means gambling on refurbished parts. Ask whether the technician is quoting a sealed enclosure for the new installation, because in Corte Madera anything less will be a callback. Ask whether the safety edges and photo eyes are included in the install price or added after. And ask for the price in writing before any work starts. Hal does all of this as standard practice. Call (877) 610-2993 for a free estimate and he’ll walk you through what your LiftMaster actually needs.
Call Gatewood Fence & Gate for Gate Motor & Opener Service in Corte Madera
If your gate motor is whining, smoking, or dead, call (877) 610-2993 right now. A live person will answer. We’ll schedule a time that works for you, and Hal or one of his background-checked, uniformed crew will show up in that window. You get an upfront written price before any work begins. You get the 90-Day Done Right Promise in writing. And you get a local company whose owner lives with his name on the shop. Show me the gate closing on its own and I’ll show you where it’s failing. That’s the kind of repair we do in Corte Madera, every week.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Corte Madera and Marin County since 2001.