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 Access Control Across Corte Madera
Gate access control in Corte Madera means keypads, intercoms, card readers, and phone entry systems that work every single time you pull up to your driveway. Whether you’re off Paradise Drive near the bay or up against Ring Mountain, we install and service systems that survive the marine fog and salt air that define this stretch of Marin. One call to (877) 610-2993 gets a live person, not a voicemail. We’ve been fixing gates since 2001, and we know exactly what Corte Madera’s climate does to electronics.
Our Gate Access Control work in Corte Madera covers everything from a simple keypad replacement to a full video intercom with smart access for a hillside driveway. If your gate opener’s control board has died from moisture creeping in, we’ll show you the corroded terminal and explain what sealed enclosure will keep the next one alive for years. The name on the shop is Hal Gatewood, and the shop is down the road. That’s the oldest accountability there is.
Why Gatewood Fence & Gate Is Corte Madera’s Preferred Gate Access Control Company
Corte Madera homeowners call us because we answer the phone around the clock and actually show up when we say we will. Hal Gatewood founded this company in 2001 and still runs it owner-operated today. His address is published and his license number is on every invoice. When you hire us, the person who quotes the job is the same person who stands behind it, and that’s why the 90-Day Done Right Promise is stamped in writing on every job, not buried in fine print.
We service Corte Madera specifically. Our crews know the bay-flat lots off Tamalpais Drive, the 94925 neighborhoods near the Village, and the 94976 hillside homes climbing toward Ring Mountain. Each of those microclimates attacks gate hardware differently. On the flats, salt moisture from the Corte Madera Marsh wicks into buried conduit and kills control boards. On the hillsides, steep driveways put lateral stress on posts and demand precise hinge geometry. We account for all of it before we touch a screwdriver.
Certified to service nine major gate brands including Linear, Viking, Ghost Controls, and DoorKing, we stock the parts Corte Madera customers actually need. Background-checked, uniformed technicians do the work. Calls get answered by a live person 24/7. And we never swap parts that don’t need swapping. If a hinge is seizing from rust, we fix the hinge, not the whole gate. If a keypad is shorting from salt film, we clean and seal it before we sell you a new one.
Our Gate Access Control Services in Corte Madera
Video Intercom
A video intercom on a Corte Madera hillside driveway is the difference between walking down a 200-foot slope in the fog and seeing who’s at the gate from your kitchen. We install wired and wireless systems that hold up against salt spray off the bay. On properties along Paradise Drive, we’ve mounted cameras and intercom panels in sealed enclosures so the nightly marine layer doesn’t fog the lens or corrode the mic. You get two-way audio, night vision, and a monitor inside the house that doesn’t drop signal when the fog rolls in.

Smart Access
Smart access for Corte Madera means controlling your driveway gate from your phone, whether you’re on a ferry from Larkspur or stuck on 101 at the Paradise Drive exit. We integrate phone apps with Linear and DoorKing operators so you can open, close, and monitor your gate remotely. The catch in Corte Madera is that salt air degrades exposed wireless modules faster than it would in Fairfax or San Anselmo. We install those modules in weather-tight housings and run power through sealed conduit so your smart access stays smart for more than one winter.

Card Reader
Card readers suit Corte Madera properties with multiple drivers, nannies, landscapers, or tenants. We install proximity readers that work with key fobs or cards, and we program access logs so you can see who came and went. On marsh-adjacent lots, we’ve seen cheap card readers fail within two years because moisture creeps into the reader housing and shorts the controller. The fix is a sealed reader with potting compound and a stainless steel faceplate. We stock them.

Keypad Entry
A keypad is simple until salt film builds up on the buttons and you’re locked out of your own driveway at 11 p.m. In Corte Madera’s bay-flat neighborhoods, we routinely replace keypads that have shorted from constant wet fog. The buttons ghost-press, codes fail, and the board behind the pad corrodes. We install sealed, marine-rated keypads that shrug off nightly moisture. We also wire them through waterproof junction boxes so the problem doesn’t migrate into your opener’s control board.

Phone Entry
Phone entry systems let you buzz open the gate from a call, which is useful when you have a long driveway and don’t want to hand out a code. On Corte Madera hillsides where the gate sits 300 feet from the house, phone entry with a video intercom like we described above works better than a standalone keypad. You’ll see the visitor’s face and decide whether to open. But the phone line or cellular module has to be protected from the same salt air that kills everything else. We run it through sealed conduit and test it on foggy nights.

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 Corte Madera
We’re certified to service Linear, Viking, Ghost Controls, and DoorKing operators and access control systems, alongside LiftMaster, FAAC, BFT, Elite, and Mighty Mule. Corte Madera has a lot of Viking and LiftMaster systems from the 1990s and 2000s that are now aging out of parts availability. We stock the boards, loop detectors, and keypads those older systems still need. When a Viking control board dies from salt moisture on a Paradise Drive property, we don’t tell you to buy a whole new operator. We replace the board, seal the enclosure, and send you the invoice you agreed to before we turned a wrench. That’s the whole point of calling a repair-first shop.
Common Gate Access Control Problems We See in Corte Madera Homes
- Keypad buttons short from salt film. The bay-flat neighborhoods of Corte Madera sit in a nightly marine fog that deposits salt on every exposed surface. Keypads without sealed housings develop ghost entries and total lockouts within two to three years.
- Loop detector wires corrode in buried conduit. The old tidal marsh under Corte Madera’s flatlands means the water table sits just a few feet down. Buried conduit collects standing water and wicks it straight into loop detector wires, causing false opens or a gate that refuses to open at all.
- Viking and LiftMaster control boards fail from moisture. On marsh-adjacent lots, unsealed control enclosures collect condensation every night. The boards corrode at the terminals, and the gate dies. We see it constantly off East Corte Madera Avenue and near the Village.
- Safety photocells fog over with salt spray. When photocells on a slide gate get coated in salt residue nightly, the gate reverses or refuses to close. Cleaning helps for a day. Sealing the photocell housings and running fresh wire fixes it for years.
There’s a pattern here. Corte Madera’s flatlands are part of an old tidal marsh where the water table sits just a few feet below the surface. Buried gate operator conduit here routinely collects standing water and wicks it straight into the control board. That’s a failure mode neighboring hillside towns like Larkspur or Kentfield almost never see. Homes on the bay side of 101 get it worst because the marine layer rolls directly off San Francisco Bay and never fully dries. If your access control keeps failing, the problem isn’t the brand. It’s the installation.
Pricing for Gate Access Control in Corte Madera, CA
Gate access control pricing in Corte Madera runs the full range depending on what your property needs. A sealed keypad replacement typically runs $280-$450. A card reader installation runs $500-$900 including wiring and programming. A phone entry system with a basic intercom runs $900-$1,400. A full video intercom with smart access for a long driveway runs $1,800-$3,200, and that includes the panel, monitor, cabling, and weather sealing. If your existing operator needs a replacement control board because of salt moisture, expect $350-$650 for the board plus installation. Every price is quoted and agreed before any work starts. No surprises on the invoice.
| Access Control Service | Corte Madera Price Range |
|---|---|
| Sealed keypad replacement | $280-$450 |
| Card reader installation | $500-$900 |
| Phone entry system | $900-$1,400 |
| Video intercom with smart access | $1,800-$3,200 |
| Control board replacement | $350-$650 plus labor |
What drives cost up in Corte Madera is the distance between your gate and your house on hillside lots, plus the extra sealing and conduit work needed on bay-flat properties. A short driveway in the 94925 flatlands costs less than a 300-foot run up a Ring Mountain slope. If you already have a written estimate from another company, bring it in. We’ll give you a free second opinion. We also take $40 off any repair over $200 and offer a permanent 10% discount for seniors and veterans. No trip charge inside the county. Call (877) 610-2993 for a free estimate and we’ll quote a real number, not a guess.
One more thing about marsh-adjacent lots: we recommend sealed NEMA-rated enclosures as a baseline here, not an upsell. This comes from years of seeing what happens when a standard enclosure sits a few feet above a high water table and a salt marsh. Anything less is a callback waiting to happen.
We Also Serve Cities Near Corte Madera
Our Corte Madera customers know us best, but we regularly run calls in Larkspur, Mill Valley, Tamalpais Valley, and Tamalpais-Homestead Valley. A lot of Larkspur customers call us after their keypad dies in fog, but the failure mode there is usually hillside drainage, not bay-flat moisture. Wherever your gate is, the same person answers the phone and the same crew shows up.
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 Access Control in Corte Madera
Your control board is failing because salt moisture from the Corte Madera Marsh is wicking through your buried conduit and condensing inside the enclosure every night. A standard cover doesn’t stop this. The fix is a sealed NEMA-rated enclosure with properly terminated and waterproofed conduit connections. We do this on every bay-flat installation we touch. Call (877) 610-2993 and we’ll show you the corrosion on your current board before we replace it.
Yes. We install video intercoms on Corte Madera hillside driveways regularly, including properties off Paradise Drive and the roads climbing toward Ring Mountain. We bury the cable in sealed conduit with pull boxes where the grade changes, and we mount the camera and panel in weather-tight housings that hold up to salt fog. Wireless options work too, but we’ll harden them so they don’t drop signal when the marine layer sits low. Estimates are free.
The keypad membrane is shorting from salt film buildup, and the problem gets worse at night because the marine fog off San Francisco Bay condenses on the buttons and bridges the contacts. During the day the sun burns some of it off, so the keypad limps along. The lasting fix is replacing it with a sealed, marine-rated keypad and rewiring through a waterproof junction box. We keep those keypads on the truck for Corte Madera calls.
The most likely cause on a marsh-adjacent lot in Corte Madera is a loop detector wire that has corroded inside buried conduit. Moisture pools in the conduit because of the high water table, the wire insulation degrades, and the detector starts seeing false signals. That makes the gate stop and reverse as if it hit something. We locate the bad section with a fault finder, pull new wire, and rerun it through a waterproof junction box. Call (877) 610-2993 and we’ll diagnose it on site.
Not necessarily a different operator, but you need a different installation approach. On bay-flat Corte Madera lots where post footings sit in permanently damp bay-mud soil, the operator’s buried conduit and the electrical connections at the post have to be fully sealed and elevated. We use NEMA-rated enclosures, waterproof junction boxes, and dielectric grease on every terminal. A hinge post that has seized from rust needs to be repaired or replaced before it tears the operator apart. Show me the gate closing on its own and I’ll show you where it’s failing.
Written by Hal Gatewood, Owner at Gatewood Fence & Gate, serving Corte Madera since 2001.
If your gate access control in Corte Madera is dead in the fog, shorting from salt, or just worn out from twenty years of marine air, call (877) 610-2993. You’ll get Hal or a member of his crew, a straight answer on the phone, and an honest price before any work begins. If you would rather talk face to face, come by the shop and look us in the eye. The name’s on the door.





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