San Gabriel Valley · Los Angeles County
Roofing contractor in Altadena, CA
Altadena is unincorporated Los Angeles County, which means its permitting runs through the County rather than a city building department.
- CA Licence #1052777
- We price match like-for-like bids
- 5–10 years on labor and workmanship
Roofing in Altadena
Altadena is part of our Los Angeles County coverage area. See the county page for how permitting and code requirements differ across the jurisdictions we work in.
The housing stock
A mix of early-century Craftsman, mid-century ranch, and custom foothill homes, with lots that climb toward the Angeles National Forest boundary.
Roof types we see here
- Composition shingle
- Clay and concrete tile
- Metal on custom homes
What the local conditions do to a roof
Foothill exposure brings stronger wind events than the valley floor, and steep lots make access and staging a real factor in roofing work.
Local requirements worth knowing
Permits and review
Because Altadena is unincorporated, roofing permits go through the Los Angeles County Department of Public Works Building and Safety Division rather than a city department. The process and typical timelines differ from neighbouring incorporated cities like Pasadena and Sierra Madre.
Wildfire hazard requirements
Altadena sits directly against the wildland interface. Fire-resistant roof assembly requirements apply in designated hazard zones, and those zones expanded under the 2025 CAL FIRE map update. Verify your parcel before planning a reroof.
CAL FIRE ran its first comprehensive statewide map revision since 2007 in early 2025, adding roughly 1.2 million acres to the High and Very High severity zones — some of it inside city limits that were never regulated before. Check your specific parcel at CAL FIRE's Fire Hazard Severity Zone viewer rather than assuming based on your street or your neighbours.
Codes and hazard designations change, and they vary by parcel. We confirm the current requirements for your address and jurisdiction before writing an estimate rather than assuming.
What we do in Altadena
Roof repair
Leak diagnosis and repair — finding the actual source rather than patching the stain.
Roof repair →Tile underlayment
When the tile is sound but the waterproofing beneath it has failed.
Lift-and-relay →Maintenance
Scheduled maintenance that catches small problems while they are still small.
Maintenance →What working with us in Altadena looks like
- Call 661-578-3346 or send the form. Tell us what's going on and we'll get a read on urgency before anyone gets on the roof.
- We look at the actual roof. Residential inspections start at $495. Repair and replacement estimates are written from what we find on site, not a phone guess — and if you already have a like-for-like bid, bring it and we'll match it.
- We handle the permit. Because Altadena is unincorporated, roofing permits go through the Los Angeles County Department of Public Works Building and Safety Division rather than a city department. The process and typical timelines differ from neighbouring incorporated cities like Pasadena and Sierra Madre.
- We confirm your hazard designation before specifying materials. Wildfire zone maps changed in 2025 — see the local requirements above rather than us assuming your zone from the neighbourhood.
- The work gets scheduled and warrantied. 5–10 years on labor and workmanship, on top of the manufacturer's warranty on materials.
Common Altadena roofing questions
Why do I pull a permit through the County instead of a city for a reroof in Altadena?
Altadena has never incorporated as its own city, so it is governed directly by Los Angeles County. Building permits go through LA County Public Works’ Building and Safety Division rather than a city building department — a different portal and process than Pasadena or Sierra Madre next door.
How do I know if my house is in a wildfire hazard zone?
Much of Altadena sits against the Angeles National Forest boundary, and CAL FIRE redrew hazard severity zone maps in 2025. Some parcels that were unregulated in 2020 may now fall inside a designated zone requiring Class A roofing and ember-resistant vent detailing. Check your specific address in CAL FIRE’s Fire Hazard Severity Zone viewer — do not assume based on your street.
Do you do fire-rebuild work in Altadena?
We handle standard reroofing, repair, and inspection work in Altadena, but we do not take on fire-rebuild projects.
Does a steep lot change the cost of a reroof?
It can. Steep-lot foothill properties around Altadena often need more staging, safety anchoring, and debris-handling than a flat-lot job of the same square footage, and that shows up in the bid. We walk the property and price the access, not just the roof area.
What roof types actually hold up on Altadena’s foothill lots?
Composition shingle covers most of the flats, concrete and clay tile is common on the older Craftsman stock, and metal shows up on custom hillside homes where wind exposure and fire performance both matter.
Get a free estimate in Altadena
Tell us what is going on with your roof. We will come take a look and give you a straight answer — and if you already have a bid, we will match it like for like.
California Contractor License #1052777. Licensed, bonded, and insured.