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 Redwood City
Gate installation in Redwood City typically runs $2,800-$7,500 for a standard single swing gate with operator, and $4,500-$12,000 for a sliding driveway gate with automation, depending on steel gauge, gate width, and whether power already reaches the post. Most installations take one to two days on site once materials arrive, and we schedule within a week in Redwood City. Call (940) 412-7340 and you’ll get a live person, not a voicemail tree. We’re Portcullis Gate Repair, a Kingswell company, and we’ve done enough work in Redwood City to know that a gate install here is rarely a simple bolt-on job.
That’s because Redwood City has two very different gate markets sitting inside one city boundary. Down in Redwood Shores, the HOA-managed entry gates along the bay fight salt air and marine moisture every single day. Up in Emerald Hills and Farm Hill, residential gates climb steep driveways that demand slope-rated operators and serious hinge-post work. A company that only knows one of those environments will guess wrong on the other. We work both, and we’ve built our Redwood City business around that split.
Why Portcullis Gate Repair Is Redwood City’s Preferred Gate Installation Company
Redwood City homeowners and property managers keep calling us back for one reason: the written price we hand over before the first bolt comes off the truck is the price you pay. No adjustments at the door, no “while we’re in here” additions. That’s the Kingswell Guarantee, and it applies to every gate installation we do in Redwood City, from a pedestrian gate in Woodside Plaza to a double swing gate serving a Redwood Shores townhome entry.
Our technicians are background-checked and show up in uniform, with a real arrival window we actually hit. Dean Prescott, owner at Portcullis Gate Repair, holds every tech to the Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. We also carry service experience on nine gate-operator brands, including DoorKing, Ghost Controls, Viking, and Elite, so the crew that arrives already knows the specific system on your property.
Calls are answered by a live person 24 hours a day, seven days a week, including holidays. When a gate fails at 6:00 a.m. and your car is stuck in the driveway, you talk to a human being, not a callback queue. Redwood City is a core service area for us, and our crews are here regularly, which means we can usually get to your property within one business day for an installation estimate.
Gate Installation Services in Redwood City
Gate Installation Services in Redwood City means more than hanging a steel panel on two posts. A proper installation covers the posts and footings, the gate frame and hinge hardware, the operator and mounting bracket, the power run to the operator, and the safety devices that keep the gate from closing on a car or a person. We handle the whole job, including the trenching and conduit that many Redwood City properties never had provisioned at original construction.
In Redwood Shores especially, the builders of the 1970s and 1980s put in entry gates without thinking about what would happen to the electronics forty years later. The operator draws power, the power run corrodes, the board eventually funds a replacement, and then someone has to trench new conduit through a HOA common area. We do that work, and we coordinate with the property management firm and the board from the first site visit to the final inspection.
Driveway Gate Installation
A driveway gate in Redwood City needs to be sized for the vehicles that actually use it. RVs, work trucks with ladder racks, and boats on trailers all clear differently than a sedan. We measure the driveway width, the turning radius, and the setback from the street, then spec a gate that doesn’t force you into a three-point turn every time you come home.

Pedestrian and Security Gate Installation
Pedestrian gates between a front yard and backyard, or along a side yard in Redwood City’s older ranch-home districts, need post footings that can handle the constant swing cycle. We pour new footings when the original posts have worked loose in the clay soil, and we match the gate to the existing fence line so it doesn’t read as an afterthought. Security gates at commercial properties get the same treatment, with access control added if you need it.

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.
Electric Gate Installation in Redwood City
Electric Gate Installation in Redwood City is where most of our deeper engineering decisions get made. An electric gate is a powered machine, not just a barrier, and the operator has to be matched to the gate’s weight, width, and cycle count. In Emerald Hills and Farm Hill, where driveways climb at 8 to 15 percent, we also have to account for the grade. An underpowered operator on a sloped swing gate will strip its own gear train within a season.
Power is the other half of the conversation. Many Redwood City homes built in the last twenty years have a manual gate at the driveway with no electrical stub anywhere near it. The builder never provisioned for automation. We run the power and conduit now, usually in a trench from the main panel or the garage subpanel to the gate post, and we handle the permit work with the city. If you want a keypad, an intercom, or a loop detector in the driveway, we wire all of it during the same installation.
Automating an Existing Manual Gate
When a Redwood City homeowner calls us about adding automation to a manual swing gate, the first thing we check is the hinge-post condition. A gate that has sagged for five years on worn hinges will tear up a new operator within months. We rebuild or re-pour the hinge posts first, then mount the operator on steel that actually holds it square.
Full Replacements and New Builds
If the existing gate is too far gone, or the property is new construction with no gate at all, we start from scratch. That means engineering the gate for the specific wind loads and grade of the site, choosing the right steel gauge, and spec’ing an operator that can handle the cycle count. For Redwood Shores, we also select marine-grade finishes and hardware where we can, because standard hardware fails fast in salt air.
Trusted Brands We Service in Redwood City
We carry service experience across nine gate-operator brands, and our Redwood City inventory includes parts for DoorKing, Ghost Controls, Viking, Elite, and others. That matters when you need a replacement board or gear set quickly, because we’re not waiting on a distributor 200 miles away. Our techs train on these systems continuously, and when a Redwood Shores HOA has a row of original 1980s DoorKing operators that all need attention, we can diagnose the whole row in one visit and give the board a written plan with line-item pricing.
Common Gate Installation Problems We See in Redwood City Homes
- Builder-grade operators that fail early. Redwood City’s newer residential builds often came with the cheapest operator the developer could spec, and the power and conduit runs were never provisioned at construction. When that operator dies, the homeowner faces a retrofit trenching job that should have been done twenty years ago.
- Salt-air corrosion in Redwood Shores. Hinges, lock mechanisms, and motor housings along the bay fail far ahead of inland schedules. The marine moisture doesn’t just surface-rust the steel; it works into the electronics and the hinge barrels. Original 1980s gates in Redwood Shores often fail in clusters once a board finally funds replacement.
- Slope-rated issues in Emerald Hills and Farm Hill. Gates on graded driveways get automated with undersized operators, and the repeated load against the grade strips gears and racks. Hinge-post sag makes it worse, and the gate starts dragging on the latch side within months.
- Manual gates with no power nearby. Some Redwood City houses have a perfectly good manual gate but no electrical stub at the post. Trenching conduit across a finished driveway or through a landscaped yard is the most disruptive part, and it’s the reason we price it transparently before we start.
Pricing for Gate Installation in Redwood City, CA
Here’s an honest read on Redwood City pricing. A single swing gate with a standard operator like a Viking or Ghost Controls unit runs $2,800-$5,500. A sliding driveway gate with automation runs $4,500-$9,000. A double swing gate, which needs two operators or a master-slave setup, runs $5,500-$11,000. If we’re automating a manual gate and trenching new power from the house, add $800-$2,500 depending on the distance and the soil. A pedestrian gate with a maglock or keypad runs $1,200-$3,000. These ranges reflect Redwood City’s actual market, where steel costs, HOA requirements, and the concrete work on graded sites all factor in. Every estimate is free, and the price is in writing before any work starts.
Call (940) 412-7340 for an exact number. You’ll get a live person, a written quote, and a real arrival window.
We Also Serve Cities Near Redwood City
Our crews serve Redwood City and the surrounding Peninsula communities, including Atherton, Menlo Park, San Carlos, and Palo Alto. If you’re just up El Camino Real or across the 101, we can usually reach you just as quickly as we reach a Redwood City job. See our main Gate Installation page for the full scope of what we do, or read more about Gate Installation in Redwood City here.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City 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 Redwood City
Shared entry gates in Redwood Shores are commercial-grade machines running dozens or hundreds of cycles a day, not residential gates that cycle six times. They need heavy-duty operators sized for continuous duty, safety photocells and edges matched to UL 325 entrapment protection, and access control that works for every resident, guest, and delivery vehicle. We also coordinate with the property management firm and the board, because the work has to be bid, approved, and scheduled around residents. Call (940) 412-7340 and we’ll walk your board through a written plan with line-item pricing.
Yes, if the gate is re-rated for the slope first. Steep grades punish an operator that’s sized for flat ground, and if the hinge posts have sagged, the gate binds against the latch and burns out the motor. We check the grade, rebuild or re-pour posts as needed, and select a slope-rated operator with the torque to run that gate reliably. The job often includes trenching power up the driveway, which we price in writing before we start.
A sagging gate is almost always a hinge-post problem, not a hinge problem. The post has worked loose in the soil or was undersized from the start, and the gate’s weight is now pulling the whole assembly out of square. In Redwood City’s clay-heavy soils, especially on hillside lots in Emerald Hills and Farm Hill, this happens more often than in coastal sand. We pull the gate, re-pour the footings or install a new post, re-hang the gate square, and only then touch the operator. Call (940) 412-7340 if you’re watching your gate scrape the driveway.
Yes. Current UL 325 standards require that any automatic gate have entrapment protection: safety photocells, reversing edges, or both, depending on the gate type and application. This isn’t optional, and it protects kids, pets, and anyone walking through the gate’s path. We install and test this on every electric gate installation in Redwood City, and we document it in the written guarantee on your invoice.
Yes, and most of the time we can do it in a single visit. A keypad mounts at the gate or on a pedestal before it, and a loop detector in the driveway automatically opens the gate for vehicles exiting. If the existing operator doesn’t have the right inputs for these devices, we’ll tell you what needs to be upgraded and give you a written price before starting. Call (940) 412-7340 for a free estimate on adding access control to your Redwood City gate.
If your Redwood City gate is sagging, stuck, or simply worn beyond another patch job, call (940) 412-7340. A live person answers 24/7, the estimate is free, and the price is in writing before any work starts. That’s the Kingswell Guarantee, and it’s stamped on every invoice.
Written by Dean Prescott, Owner at Portcullis Gate Repair, serving Redwood City since 2008.





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