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.
Gate Company in Altadena, CA
Altadena sits on a sloping bench of land between the San Gabriel Mountains and the Pasadena flatlands, and that terrain shapes nearly every gate job we do here. Driveway angles run steeper than in most of the San Gabriel Valley, posts sit in decomposed granite that drains fast but shifts over time, and many homes date from the 1920s through the 1960s, meaning gate frames and openers were retrofitted rather than built in. That combination means gate repair in Altadena is rarely a swap-out job: it’s about squaring what settled, rewiring what corroded, and matching new opener hardware to old ironwork. If your gate isn’t opening, sagging, or making a sound it didn’t make last month, call Calder Gate Repair at (903) 417-0793 and we’ll tell you exactly what’s going on.
Why Altadena Homes Are Different
Altadena’s housing stock has a much wider age spread than you’ll find in Pasadena or La Cañada. North of Altadena Drive and up toward Chaney Trail, you get mid-century ranches and a surprising number of newer builds on canyon lots where the gate sits at a noticeable grade. Down near the flats, closer to Woodbury Road and Lake Avenue, many properties still carry the original wrought iron or tube steel gates installed in the 1930s and 1940s. Those older gates are heavy, and the weight matters: a 300-pound gate on a slight incline puts constant stress on the hinges, the post, and the opener limit switch, which is the small sensor that tells the gate when to stop. We see more limit switch failures and hinge sag in Altadena than in flatter neighboring cities, just because gravity works harder here. The other Altadena-specific factor is the soil. The decomposed granite under much of the foothill area drains well, but it doesn’t hold posts as firmly as clay does. After a few wet winters, a gate post can drift half an inch out of plumb, and that half inch is enough to make the gate scrape, bind, or trip its safety edge every time it closes.
Our Main Altadena Services
Most Altadena homeowners reach out to us for two reasons: a gate that refuses to move at all, or an opener that runs but doesn’t finish the cycle. We’ve split the big three into their own detailed pages so each one stays focused.
Gate Repair in Altadena
A gate that drags on the driveway or hangs crooked off its post always comes down to hardware: hinges, posts, wheels, or the frame itself. In Altadena we routinely service driveways where the ground has settled just enough to pull a post off vertical, especially on hillside lots around Rubio Canyon and the Meadows. We square the gate, replace worn hinge bearings with sealed ones, and adjust the spacing so the gate travels without binding. If the gate is repairable, we repair it; if the post has rotted or sheared, we’ll tell you that plainly and quote the replacement before any work starts. Your written price comes first, always. Read the full breakdown here: Gate Repair in Altadena.

Electric Gate Repair in Altadena
Electric gates in Altadena deal with branch-dropping coastal oaks and eucalyptus, plus the fine dust that blows down from the San Gabriels in summer. Both are hard on components: photo eye sensors get knocked out of alignment or coated, safety edges crack in the heat, and the low-voltage wiring that runs out to the gate gets brittle over time. We trace circuits, replace damaged loops and sensors, and test the full safety system before calling the job done. Because every repair includes the 365-Day Done Right Promise, a component that fails inside the first year gets a free second visit. See exactly what we cover here: Electric Gate Repair in Altadena.

Gate Opener Repair in Altadena
Openers fail one of three ways: the motor burns out, the control board stops responding, or the mechanical drive (chain, belt, or screw) strips. In Altadena, we see plenty of DIY-installed Mighty Mule and Ghost Controls openers that weren’t rated for the weight of the gate they’re pulling, and that mismatch kills the drive before its time. We’re factory-familiar with Linear, Viking, Ghost Controls, DoorKing, LiftMaster and the other major opener brands, so we diagnose the component rather than guessing at it. Most opener repairs are completed the same day we arrive. The full brand-by-brand detail lives here: Gate Opener Repair in Altadena.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Altadena
We stock common parts for Linear, Viking, Ghost Controls, and DoorKing openers in our service vans, along with generic limit switches, safety edges, and capacitors. That local inventory means about 70% of Altadena opener repairs happen on the first visit rather than waiting on a shipped part. For the full list of nine brands we train on, see our brands.
Pricing for Gate Company in Altadena, CA
These are real dollar ranges for Altadena jobs, based on what we actually see when we quote work in this area.
| Service | Typical range in Altadena |
|---|---|
| Gate opener repair, labor only | $180 – $340 before parts |
| Hinge replacement (pair) on a standard driveway gate | $270 – $520 installed |
| Post straightening and re-set (single post) | $380 – $760 |
| Safety edge / photo eye replacement | $160 – $310 |
| Control board replacement | $240 – $480 before parts |
| Full operator replacement (residential swing) | $980 – $1,900 installed |
| Chain or belt drive replacement | $220 – $430 |
| Welding repair on a sagging iron gate | $290 – $650 |
| Keypad or receiver replacement | $180 – $330 |
Two things push a job toward the high end in Altadena: steep driveway grades that require heavier-duty hardware, and older gates that need welding or fabrication work rather than a direct part swap. Whatever the number ends up being, you’ll see it in writing and agree to it before we turn a single bolt. The invoice matches the quote.
Neighborhoods We Serve in Altadena
Our crews cover the full Altadena footprint, from the foothill streets near Eaton Canyon up to the canyon mouths, and down through the flats to the Pasadena line.
- The Meadows
- PresidentStreets (Lincoln, Washington, Calaveras)
- North Lake / Poppyfields
- Rubio Canyon area
- Altadena foothills near Chaney Trail
Service Area – Cities Near Altadena
While most of our Altadena work keeps us in the local foothills, our crews regularly run south into Pasadena, CA and east toward Sierra Madre, CA. We also serve San Marino, CA and, for clients with property in both areas, South Pasadena, FL.
Serving Altadena, CA - Our Local Coverage Area
We’re based in the Altadena 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 Company in Altadena
For a gate stuck open or a security gate that won’t secure, we dispatch a tracked technician from our Los Angeles office to Altadena the same day in nearly every case. You get a live arrival window you can follow on your phone, and a real person who answers when you call, 24/7. Call (903) 417-0793 and we’ll give you a firm time before we hang up.
For repair work on an existing gate and opener, permits are typically not required in Altadena. Replacing a full gate or moving the post line on a hillside lot can trigger a county review because of the slope. If your job needs any county approval, we’ll flag it during the quote so there are no surprises.
Yes. Some Altadena neighborhoods, particularly newer foothill developments, have architectural guidelines that govern gate style, color, and even opener noise. We’ve worked with those boards and we’ll coordinate the paperwork so the repair moves while the approval processes. Bring us your HOA’s spec sheet and we’ll quote to it.
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.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Altadena Customers Say
"Good job on the motor. Part took a few days to arrive, but the updates came by text."
- Oscar J."Safety sensors realigned. Works fine. Photo eyes were dirty and out of line. Gate now stops when it should."
- Raul A."Booked online. The tech texted his ETA and arrived on time. Gate opener was dead; he replaced the control board and tested the sensors."
- Terry W.





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