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 Installation Across Larkspur
Gate installation in Larkspur runs from about $2,800 for a basic single swing gate to $9,500 or more for a steel sliding gate with automation on a steep canyon lot. Most homeowners we work with around Baltimore Canyon and Madrone Canyon spend between $4,200 and $6,800 for a complete drive gate with an operator, safety sensors, and hardware spec’d for the damp. We’re Portcullis Gate Repair, an independently owned Kingswell company, and we’ve been doing this work since 2008. When you need a gate built and hung correctly in Larkspur’s specific conditions, call (940) 412-7340 and you’ll get a live person, not a voicemail tree.
Larkspur is not like the flat, open boulevards of Corte Madera or the sunny side of San Rafael. Your canyon neighborhoods hold fog under the redwoods for weeks at a stretch. That changes what hardware survives, how posts need to be set, and which operators actually last. We know those streets. We drive them every week.
Why Portcullis Gate Repair Is Larkspur’s Preferred Gate Installation Company
People in Larkspur call us because a previous gate company already let them down. A tech who never showed, a quote that doubled at the door, a fix that failed within two months. That’s the exact pattern we’re built to break. Every job we do in Larkspur carries the Kingswell Guarantee in writing: a fixed price before any work starts, a real arrival window, a clean job site, and a written guarantee on the work. If the repair fails within 365 days, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s stamped on every invoice we leave.
Dean Prescott leads our team, and he’s particular about two things: answering the phone and spec’ing hardware that survives Larkspur’s climate. Our technicians are background-checked and arrive in uniform. You’ll know who’s coming before the truck pulls into your driveway. And when you call at 2 a.m. because a gate failed and the car’s blocked in, a live person picks up. Around the clock, seven days a week.
Automatic Gate Installation in Larkspur
Automatic gate installation in Larkspur means more than bolting an operator onto an existing gate. It means selecting an operator that can handle the load, wiring it correctly, and protecting the electronics from moisture that never really dries out under redwood canopy. The job includes the operator, safety photocells, a control board, and often a new gate structure if the existing one has sagged or rotted. Most automatic gate installations in Larkspur run $4,500 to $7,800 for a single swing or slide setup, with double gates running higher.
Driveway Gate Automation
A driveway gate with automation is the most common request we get in Larkspur, especially on sloped canyon lots where getting out of the car to open a gate is genuinely miserable in January. We install operators from LiftMaster, FAAC, Viking, and Ghost Controls, matched to the gate’s weight and travel. The price is always in writing before we start.
Security Gate Systems
Security gates on Larkspur’s hillside properties need more than a motor. They need proper sensor alignment, edge safety on reverse, and controllers protected from damp. We run the power, set the safety loop, and test every function before we leave. You get a written guarantee on the entire system, not just the motor.
Gate Installation Services in Larkspur
Gate installation services in Larkspur cover everything from a brand-new pedestrian gate on a Craftsman bungalow to a full automated driveway entrance on a steep canyon lot. The work starts with a site visit: we measure the opening, look at the slope, check what the existing posts are doing, and then give you a written quote. No disassembly, no surprise invoice at the end. Most standard installations run $2,800 to $6,500 depending on the gate type and hardware spec.
Swing Gates on Steep Driveways
Steep drives are the default in Madrone Canyon and upper Baltimore Canyon. A swing gate on a slope needs slope-kit hinges, counterweights, and sometimes a wedge-shaped gate leaf so it doesn’t drag on the uphill side. We build for that. If the gate can’t clear the slope without dragging, it’ll tear up the operator and the hinges within a year, so we measure the grade before we quote.

Sliding Gates for Narrow Roads
Some Larkspur driveways are too narrow or too steep for a swing gate to work at all. A sliding gate runs on a track and doesn’t need room to arc open. We install sliding gates with steel frames and operators rated for the weight, and we set the track on a proper concrete bed so it doesn’t shift when the ground gets saturated.

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 Larkspur
We carry and service operators from LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. That matters in Larkspur because we keep common parts on the truck, which means fewer return trips and faster completion for you. If you have an existing DoorKing or Elite operator and need it retrofitted to a new gate, our techs already know the system before they arrive. We train across all nine brands so the person in your driveway is never figuring it out for the first time.
Common Gate Installation Problems We See in Larkspur Homes
- Hinges rusting through in under three years. Standard zinc-plated hinges that last a decade in Corte Madera corrode in Baltimore Canyon and Madrone Canyon because redwood tannins and fog keep hardware perpetually wet and acidic. We install hot-dipped galvanized or 316 stainless as standard here.
- Gate posts rotting at the soil line. Redwood duff washes down and holds moisture against the post base, so steel posts rust and wood posts rot exactly where they enter the ground. A repair that doesn’t replace the footing will fail again. We cut out the old footing, pour a new one, and set the post above grade.
- Operator boards corroding from trapped damp. Circuit boards and safety photocells fail intermittently when moisture gets inside the housing. Under a redwood canopy, that moisture never burns off. We seal installations and spec enclosures rated for coastal humidity.
- Gates sagging on sloped driveways. When the hinges are undersized and the post has shifted, the gate drags on the uphill side and fights the operator. That’s a structural problem, not a motor problem. We re-set the post, shim the hinges, and often replace the leaf with a slope-cut design.
Pricing for Gate Installation in Larkspur, CA
A basic single swing gate with no automation in Larkspur typically runs $2,800 to $4,200 installed with galvanized hardware. Adding an operator and safety sensors brings it to $4,500 to $7,800. A full double gate with automation, intercom, and stainless hardware on a steep canyon lot can reach $9,500 or more. Sliding gates run 15 to 20 percent higher than swing gates because of the track, steel frame, and the heavier operator required.
What drives the price in Larkspur specifically is the hardware spec. We don’t install zinc-plated hinges and latches here because we know what happens to them. Hot-dipped galvanized and 316 stainless cost more up front. They’re the only thing that survives the canyon microclimate without a callback. Every quote includes the written price before work starts, and estimates are free. Call (940) 412-7340 for your number.
We Also Serve Cities Near Larkspur
Our Gate Installation team covers Larkspur and the surrounding Marin communities, including Kentfield, Corte Madera, San Rafael, and Mill Valley. The canyon conditions we see in Larkspur also show up in parts of Kentfield and Mill Valley, so the same hardware spec applies. If you’re in one of those areas, you can learn more about what we do across the region on our Gate Installation in Larkspur page.
Serving Larkspur, CA - Our Local Coverage Area
We’re based in the Larkspur 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 About Gate Installation in Larkspur
Redwood tannins and year-round fog combine to keep gate hardware wet and mildly acidic, and zinc-plated parts rust through in under three years in Baltimore Canyon and Madrone Canyon. The same hinge would last a decade in open Corte Madera. The fix is specifying hot-dipped galvanized or 316 stainless hardware and setting posts on concrete footings above grade. That’s what we do on every Larkspur job.
We use hot-dipped galvanized or 316 stainless hinges, latches, and fasteners on every automatic gate installation in Larkspur. For the operator, we seal the enclosure and use boards rated for coastal humidity, because trapped damp under the redwood canopy corrodes standard circuit boards. We also protect safety photocells from moisture intrusion. Call (940) 412-7340 for details on your setup.
Yes, we install swing gates on steep driveways in Madrone Canyon and the upper slopes of Baltimore Canyon regularly. The gate needs slope-kit hinges, counterweights, and sometimes a wedge-shaped leaf so it clears the grade without dragging. If the slope is too severe for a swing gate, we’ll recommend a sliding gate instead. Either way, you get a written price before any work starts.
The hinge is not the problem. In Larkspur’s canyon lots, the post has usually rotted or shifted at the soil line from redwood-duff runoff, so tightening the hinge does nothing. The fix is cutting out the old footing, pouring a new concrete footing, and setting the post above grade with galvanized hardware. We do this work regularly in Baltimore Canyon and Madrone Canyon. Call (940) 412-7340 and we’ll look at it.
Yes. Every automatic gate we install in Larkspur includes safety photocells and a reversing mechanism as standard. That’s not an upsell, it’s the law and it’s basic safety, especially on sloped driveways where a gate closing on a car or a child is a real hazard. We test the sensors before we leave and show you how they work.
Call Portcullis Gate Repair for Gate Installation in Larkspur
If you need a gate built, hung, or automated in Larkspur, call (940) 412-7340. You’ll get a live person, a straight answer, and a written price before any work begins. That’s how we’ve operated since 2008, and that’s what the Kingswell Guarantee means: the price is in writing, the arrival window is real, the job site is left clean, and the work is guaranteed for 365 days. If it fails inside that period, we come back and fix it at no charge.
Written by Dean Prescott, Owner at Portcullis Gate Repair, serving Larkspur and Marin County since 2008.





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