Wrought iron
Wood & steel frame
Farm & ranch
Sliding driveway gates
LiftMaster operatorsFree 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.
Get your free estimateGate Company in Altadena, CA
Altadena gate work in 2026 means rebuilding after the Eaton Fire, plain and simple. Whether a driveway gate heat-warped, a wooden swing gate burned away between surviving stone pillars, or a new installation must meet LA County’s WUI ember-resistance standards, the job starts with a gate specialist who knows the 91001 foothill corridor. Sentinel Gate Repair handles gate installation, gate repair, and electric gate repair across Altadena, from pre-war craftsman entries on large lots to mid-century homes under mature deodar cedar canopies. Call (855) 490-6590 for a free estimate.
Why Altadena Homes Are Different
Altadena is an unincorporated LA County foothill community where most homes predate 1950 or fall in the mid-century range, and the lots are large by Southern California standards. That shapes gate work in ways a flatland contractor misses. Driveway gates here are frequently custom width, often mounted to craftsman-era stone or masonry pillars rather than standardized steel posts, and the long hand-built gates common on these properties don’t just get swapped for stock hardware. The deodar cedar and oak canopy that defines so many Altadena streets drops debris that works into track channels and hinge hardware, while Santa Ana winds push dry, ember-laden air through the canyon mouths and accelerate wear on exposed gate surfaces.
The Eaton Fire aftermath adds another layer. Much of the 91001 corridor is now a patchwork of burned lots and standing homes, and gate repair in Altadena means matching new work to what survived. Technicians routinely find stone pillars still standing where the wooden gate between them burned away, and the replacement has to fit masonry that shifted through fire exposure. Because Altadena sits under LA County jurisdiction rather than Pasadena’s, rebuilding gates in burn areas typically triggers WUI construction review and permits that the same job wouldn’t require across the city border. Gate work here is never a simple swap; it’s fitting new access control into an old, fire-scarred landscape.
Styles & brands we work with
- Wrought iron
- Wood & steel frame
- Farm & ranch
- Sliding driveway gates
- LiftMaster operators
Our Main Altadena Services
Most Altadena homeowners call us for one of two reasons: a gate that stopped working, or an electric system that won’t respond. Both come with their own set of local complications.
Gate Repair in Altadena
A sagging swing gate on an Altadena craftsman entry usually points to hinge wear or a pillar that’s moved over decades, and a slide gate that binds on its track often has debris packed in from the cedar canopy overhead. We repair manual and automated gates of every common configuration, and on fire-zone properties we pay close attention to heat-stressed welds and smoke-damaged hardware that can fail months after exposure. The goal is the right diagnosis on the first visit, so the fix holds through the next Santa Ana event. Gate Repair in Altadena walks through what we see most often and what it costs.
Electric Gate Repair in Altadena
Electric gates in Altadena fail in predictable ways: control boards that quit after power flickers during wind events, photo eyes misaligned by shifting masonry, and operators that burn out fighting a gate that’s binding on its track. Because these systems tie into access control for the whole property, we trace the problem from the keypad or remote through the low-voltage wiring to the motor itself. Our technicians carry diagnostic equipment and common boards for LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule so many repairs finish same day. Electric Gate Repair in Altadena covers the full service.
Gate Installation in Altadena
New Gate Installation in Altadena starts with the site: a 1930s stone entry on a sloped lot, a mid-century ranch with a wide driveway, or a post-fire rebuild where the old gate is gone and the pillars are all that remain. We match the new gate to what’s standing, size it for the opening’s actual width rather than a catalog number, and build for the foothill conditions: Santa Ana wind, ember intrusion, and the debris load from mature trees. Every Altadena installation gets a written estimate before any work begins, so the final price matches the quote.
Automatic Gate Installation
Signs you need it
A driveway that’s manually opened dozens of times a week, especially on a busy Altadena street, is a candidate for automation when the labor of getting out to open the gate becomes a security gap.
What it costs in Altadena
Automatic gate installation in Altadena typically runs $2,100 to $6,500 depending on the operator, gate weight, and whether new low-voltage wiring needs a longer run to the house.
How we do it
We measure the opening and existing pillars, confirm the gate’s weight and swing or slide path, install the operator and access components, then test full open/close cycles with the safety sensors aligned.
Driveway Gate Installation
Signs you need it
A missing or burned-away driveway gate, or one so warped and misaligned that it no longer closes, leaves the property’s first access point unsecured.
What it costs in Altadena
Driveway gate installation in Altadena typically runs $1,500 to $4,500 for a single swing gate, with wider custom or double-gate openings on foothill lots pushing to $4,000 to $12,000.
How we do it
We set or reuse the posts, hang the gate so it clears the slope and swing path, then adjust the hinges for a close that holds through wind and settles into the existing stone or masonry entry.
Sliding Gate Installation
Signs you need it
A driveway with limited swing clearance or a steep approach often needs a sliding gate, especially where the lot slopes and a swing gate would hit the grade.
What it costs in Altadena
Sliding gate installation in Altadena typically runs $2,800 to $8,500, with the track bed and operator accounting for a meaningful share of the cost on uneven ground.
How we do it
We set the track at the right elevation for drainage, hang and level the gate, install the drive and safety edges, and run the low-voltage control wiring before testing the full travel repeatedly.
What Gate Installation Costs in Altadena
| Item | Typical range in Altadena |
|---|---|
| Automatic gate installation | $2,100 – $6,500 |
| Driveway gate installation (single swing) | $1,500 – $4,500 |
| Sliding gate installation | $2,800 – $8,500 |
Does a new Altadena gate require a permit?
In Altadena’s burn areas, a rebuilt or new gate typically triggers WUI construction review and permits under LA County jurisdiction. We check the specific requirements for your property and address them in the written estimate before any work starts.
How long does a typical Altadena gate installation take?
Most single driveway gate installations finish in one to two days once materials are on site. Custom gates matched to surviving stone pillars, or burn-area jobs with permit review, extend the timeline; we’ll lay out the full schedule in the estimate.
Brands We Service in Altadena
Our techs work on LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule systems every week, and we keep common control boards and parts stocked for faster turnaround. A gate branded Elite or Mighty Mule on an Altadena driveway gets the same brand-specific diagnosis as a commercial FAAC or DoorKing install. See our brands for the full list.
See the difference
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AfterPricing for Gate Company in Altadena, CA
| Service | Typical range in Altadena |
|---|---|
| Gate repair (typical service call) | $125 – $2,200 |
| Electric gate repair | $150 – $2,300 |
| Motor replacement | $450 – $1,800 |
| Control board repair | $200 – $800 |
| Gate installation (single swing) | $1,500 – $4,500 |
| Automatic gate installation | $2,100 – $6,500 |
| Sliding gate installation | $2,800 – $8,500 |
| Custom driveway gate (wide/double) | $4,000 – $12,000 |
Fire-zone rebuilds in Altadena push prices higher than a standard valley install when surviving stone pillars need structural assessment or a custom gate has to match non-standard widths on older foothill lots. Every job gets a written estimate before we start, and the price we quote is the price you pay.
Neighborhoods We Serve in Altadena
We work throughout Altadena, from the fire-affected foothill streets in the 91001 corridor to the flatland neighborhoods toward the 91003 side of town. Our crews know the difference between a standard mid-century lot and a sloped deodar-shaded entry on the upper streets.
- The Meadows
- Altadena Country Club area
- President Streets
- Upper Hastings Ranch edge
- Foothill corridor (91001)
Response to most Altadena addresses is same day when called in before the afternoon, since we dispatch from Highland Park and know the surface routes up into the foothills without relying on freeway shortcuts. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Service Area – Cities Near Altadena
Sentinel Gate Repair is based in Highland Park, CA, and we serve the surrounding foothill communities and valley cities. If you’re in San Gabriel, CA, Arcadia, CA, or Temple City, CA, the same gate specialists cover your driveway or entry gate with the same brand-specific approach.
Serving Altadena, CA – Our Local Coverage Area
We serve Altadena and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Gate Company in Altadena
Most Altadena calls get same-day dispatch when we’re called before the afternoon. We answer 24/7, and crews dispatch from 7am to 7pm Sunday through Friday. A call outside dispatch hours is booked into the next opening.
Many do, especially rebuilds in the Eaton Fire burn areas, where WUI construction review applies. We check the permit path for your specific property and fold any requirements into the written estimate, so there are no surprises after work begins.
Yes. Altadena crews routinely build and hang new gates on craftsman-era stone and masonry pillars that survived the fire, sizing the gate to the actual opening and anchoring hardware so the new work sits cleanly on what’s already standing.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local gate repair pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically the same day.
- 4You approve before work beginsNothing starts until you say go.
What Altadena Customers Say
"Solar panel on our remote gate wasn't keeping the battery up through the winter. He repositioned it, replaced the battery, and explained the math on why the old placement was never going to work."
- Heather Pruitt"Gate stopped halfway and sat there for two days blocking the driveway. He found a dead capacitor in the operator, had one with him, and we were moving cars again in under an hour."
- Marisol Morales"Reprogrammed every clicker in the HOA and set up the keypad codes. Patient with a very long list of residents."
- Eric Miller