Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Altadena, CA
Roofing work in Altadena demands more than standard trade knowledge after the January 2025 Eaton Fire. Every new roof and most replacements must now meet LA County’s Very High Fire Hazard Severity Zone Class A requirements, and permits flow through County Building & Safety rather than any local city hall. We dispatch crews from our Los Angeles office to serve Altadena homeowners directly, and we send every technician’s name and photo before they arrive. Call (743) 200-8347 to schedule your free estimate.
Why Altadena Homes Are Different
Altadena sits unincorporated at the foot of the San Gabriel Mountains, and that foothill position shapes everything about roofing here. Santa Ana winds channel through the canyons at velocities that flatland Pasadena rarely sees, carrying embers that ignited scores of roofs during the Eaton Fire. The same exposure means south- and west-facing roof decks run hotter in summer than comparable homes just down the hill, stripping granules from composition shingles faster than the manufacturers’ standard wear curves predict.
The housing stock tells its own story. Before the fire, Altadena was dense with 1920s – 1950s Craftsman bungalows, Spanish Colonial Revival homes, and mid-century ranches. Many carried original wood shake or multi-layer composition roofs that no longer comply with current fire codes. The rebuild wave has flipped the market: new construction with concrete tile, Class A metal, and fire-rated composition now dominates, and the roofers winning work are the ones who package a compliant assembly with a complete County permit set the first time.
LA County DPW plan-check approval is the only path, and County inspectors are processing a historic backlog. Roofers unfamiliar with County submittal requirements are losing weeks to re-submittals while prepared crews keep moving.
Our Main Altadena Services
Altadena homeowners call us most often for these three services, each detailed on its own page:
Roof Repair in Altadena
Repair work in Altadena now focuses heavily on wind-damaged flashing, ember-vent intrusion, and granule loss on aging composition roofs in neighborhoods that survived the Eaton Fire. We inspect decking condition beneath every lifted shingle, because foothill heat cycling has often compromised the underlayment before the surface shows obvious wear. Our 365-Day Done Right Promise covers every repair, with a free second visit if anything fails. Roof Repair in Altadena

Roofing Company in Altadena
As a full-service roofing company working in Altadena, we handle everything from emergency tarping after wind events to complete re-roofs coordinated with LA County’s post-fire rebuilding office. Every project starts with a written price before any work begins, and every technician arrives in a clean, marked uniform with a photo ID badge under our Threshold Verified standard. We work with GAF, CertainTeed, Owens Corning, and other manufacturer-recognized brands. Roofing Company in Altadena

Roof Installation in Altadena
New roof installation in Altadena now means Class A fire-rated assemblies almost by default, whether concrete tile, metal, or fire-rated composition. We package the full permit set for LA County Building & Safety plan-check, including Title 24 compliance documentation and wind uplift calculations for foothill exposure zones. No nails are driven until you’ve approved the written price and scope. Roof Installation 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 install and repair using GAF, CertainTeed, Owens Corning, and IKO shingles, with compatible flashing, underlayment, and ventilation components stocked for Altadena’s current rebuild demand. Most Class A composition and tile orders arrive within standard lead times, and our crews carry common repair stock for same-day resolution of wind and ember damage. See our brands for full specifications.
Pricing for Roofers in Altadena, CA
| Service | Typical range in Altadena |
|---|---|
| Minor shingle repair (1 – 3 shingles, flashing touch-up) | $180 – $450 |
| Moderate repair (section re-shingle, vent replacement) | $650 – $1,400 |
| Skylight leak repair / re-flash | $400 – $950 |
| Chimney cricket and re-flash | $850 – $1,800 |
| Full roof tarp (emergency, up to 1,500 sq ft) | $350 – $750 |
| Class A composition re-roof (2,000 sq ft, tear-off) | $12,000 – $18,500 |
| Concrete tile roof installation (2,000 sq ft) | $22,000 – $35,000 |
| Standing seam metal roof (2,000 sq ft) | $28,000 – $42,000 |
| Decking replacement (per sheet, plywood) | $85 – $140 |
| Ridge vent installation (linear foot) | $18 – $32 |
Altadena prices run toward the higher end of California ranges for two reasons: Class A fire-rated materials cost more than standard grades, and LA County permit fees and plan-check timelines add soft costs that straightforward city permits avoid. We give you the full written price before any work starts, with no change orders unless you add scope.
Neighborhoods We Serve in Altadena
Our crews work across Altadena’s full footprint, from the lower foothill streets to the canyon edges. Most Altadena addresses are within 20 minutes of our dispatched team on standard scheduling days.
- Janssens Hill
- Farnsworth Park area
- Christmas Tree Lane district
- Altadena Crest
- Rubio Canyon vicinity
Service Area – Cities Near Altadena
We coordinate dispatch from our Los Angeles office to serve the full foothill corridor. Homeowners in Pasadena, CA, La Canada Flintridge, CA, San Marino, CA, and Sierra Madre, CA can schedule the same Threshold Verified service, written pricing, and 365-Day Done Right Promise that Altadena receives.
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 Roofers in Altadena
Yes. Because Altadena is unincorporated, all roofing permits run through LA County Building & Safety, not a city office. Post-fire rebuilds and most replacements must use Class A fire-rated materials, and the permit package must include assembly documentation that proves compliance. We prepare and submit the full set as part of our standard scope. Call (743) 200-8347 if you’re navigating a rebuild and need help with County requirements.
LA County DPW is processing a historic backlog post-Eaton Fire. Straightforward re-roof permits with complete, compliant submittals are moving faster than incomplete packages that trigger re-submittals. We package Class A assembly details, Title 24 forms, and wind uplift calculations the first time to avoid delays. For current timelines, call (743) 200-8347 and we’ll check the latest County queue.
Always. Every Mercer technician’s name and photo are sent to you before they leave for your appointment. They arrive in a clean, marked uniform and present a photo ID badge at your door. This Threshold Verified standard is built into every dispatch, because knowing exactly who is coming to your home matters. Call (743) 200-8347 to schedule your free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing 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 roof repair. The crew was a day later than planned because of rain, which I understand, but the scheduling got moved twice. Work itself is clean and has held up."
- Dale T."Replaced the ridge cap and drip edge, and fixed a sagging gutter that nobody else mentioned. Fair price."
- Phil N."Great shingles and a clean install. Wish the cleanup had been done the same day, but they came back the next morning and finished it."
- Tasha G.






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