Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterRoofers in Altadena, CA
Roofing in Altadena demands more than standard installation knowledge. After the January 2025 Eaton Fire, every re-roof and new installation here falls under California Building Code Chapter 7A, the state’s strictest wildland-urban interface standard. We dispatch crews from our Los Angeles office who understand what Class A fire-rated assemblies, ember-resistant underlayments, and sealed eave details actually require in practice. Call (424) 766-4937 to schedule a free estimate, and we’ll bring a written price before any work starts.
Our Main Altadena Services
Most calls we get from Altadena homeowners fall into two categories: stopping an active leak or damage, and full re-roofing after the fire or when an aging system finally fails. Each job type has its own page with deeper detail.
Roofing Company in Altadena
As a roofing company in Altadena, we handle everything from emergency tarping after wind events to full new-construction installations. Because Altadena is unincorporated, we pull permits through LA County Public Works, not a city building department. That workflow difference matters during the post-Eaton Fire rebuilding surge, when permit backlogs are extraordinary and a contractor who files incorrectly waits longer. We coordinate the full scope: deck inspection, material selection, permitting, installation, and final inspection.
Roof Repair in Altadena
Roof repair in Altadena often means addressing wind-lifted shingles from Santa Ana events that funnel through Eaton Canyon at 60-80 mph, or tracking leaks through skip-sheathing gaps in pre-1950s homes. We photograph the damage, explain the repair scope in plain language, and give you a written price before we start. Our 365-Day Done Right Promise covers every repair.
Roof Replacement in Altadena
A roof replacement in Altadena is now almost always a Chapter 7A-compliant assembly. Original wood shake roofs, common on 1920s Craftsman bungalows, must come off entirely. The skip-sheathing beneath them gets overlaid with solid plywood or OSB decking before any new fire-rated system goes on. We work with GAF, CertainTeed, and Owens Corning to specify materials that meet the code and fit the architectural character of the home.
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.
Why Altadena Homes Are Different
Altadena sits directly at the mouth of Eaton Canyon, which makes it a natural wind tunnel. Santa Ana events here don’t just rattle windows; they lift improperly fastened roofing and drive burning embers ahead of fire fronts. That combination of high wind and ember exposure is exactly why Chapter 7A requirements are so strict here, and why the 2025 Eaton Fire spread as rapidly as it did.
The housing stock compounds the challenge. Most homes were built between the 1920s and 1950s: Craftsman bungalows with original wood shake, Spanish Colonial Revival with clay tile, and mid-century ranches with three-tab composition shingles that are now past their service life. Many of these original roofs were installed before modern fire codes existed. When we tear off an old shake roof, we regularly find skip-sheathing, spaced boards with gaps that must be covered with solid decking before any compliant new roof can be installed. That adds material and labor, but it’s not optional, and we price it into the written estimate from the start.
The freeze-thaw cycling at this foothill elevation is also more pronounced than in flatland Pasadena below. Thermal expansion and contraction accelerate cracking in aged asphalt shingles, so a 20-year-old shingle roof in Altadena often shows more deterioration than the same product at lower elevation.
Permitting is another local wrinkle. Altadena is unincorporated LA County, so all roofing permits route through the County Department of Public Works. Contractors accustomed to Pasadena’s or Arcadia’s city building departments often file incorrectly or don’t know the inspection scheduling system, which adds weeks during normal times and months during the current post-fire rebuilding surge.
Brands We Service in Altadena
We stock and install materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Altadena’s Chapter 7A requirements, we typically specify GAF Timberline HDZ or CertainTeed Landmark Pro with appropriate underlayment packages. Most common repair parts are on our local trucks, so we don’t wait on supply house runs for standard flashing, vents, or ridge caps. See our brands for full specifications.
Pricing for Roofers in Altadena, CA
| Service | Typical range in Altadena |
|---|---|
| Minor leak repair (flashing, small patch) | $350 - $750 |
| Moderate repair (multiple shingles, vent replacement) | $750 - $1,800 |
| Skylight repair or reflash | $500 - $1,200 |
| Chimney cricket and flashing rebuild | $1,200 - $2,500 |
| Partial re-roof (one slope, under 500 sq ft) | $3,500 - $7,000 |
| Full roof replacement, composition shingle, single-story | $12,000 - $22,000 |
| Full roof replacement, composition shingle, two-story | $18,000 - $32,000 |
| Full replacement with skip-sheathing overlay (plywood/OSB) | Add $3,000 - $6,000 |
| Tile roof repair (clay or concrete) | $800 - $2,000 |
| Emergency tarping (wind or fire damage) | $400 - $900 |
| Chapter 7A upgrade package (underlayment, sealing) | Add $1,500 - $3,500 |
What pushes Altadena prices higher: skip-sheathing overlay requirements on pre-1950s homes, Chapter 7A-compliant material upgrades, and steep pitches common in the foothills that slow production rates. What you’ll never see: a price that changes once work starts. We give you a written, line-item dollar amount before anyone climbs a ladder.
Neighborhoods We Serve in Altadena
We work across Altadena’s full unincorporated area, from the lower foothills near the Pasadena border up to the wildland interface below the Angeles National Forest. Most Altadena appointments are scheduled within a few days, with emergency tarping available faster when wind or fire damage has exposed the interior.
- Janssens Terrace
- The Meadows
- Santa Rosa Heights
- Altadena Triangle
- Eaton Canyon foothills
Service Area – Cities Near Altadena
Our crews serve the full San Gabriel Valley foothill corridor. We regularly work in Pasadena, CA, just south of Altadena’s border; La Canada Flintridge, CA, to the west; San Marino, CA, to the southeast; and Sierra Madre, CA, to the east. Each city has its own permitting workflow and fire code requirements, and we coordinate accordingly.
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
LA County Public Works is running at extraordinary backlog capacity following the Eaton Fire. Standard roofing permits that once took 2-3 weeks may now take 6-10 weeks. We file complete packages with structural drawings and Chapter 7A compliance documentation to avoid rejection delays. Call (424) 766-4937 and we’ll check current turnaround times.
Yes. Altadena is a LA County-designated Very High Fire Hazard Severity Zone. Any re-roof or new installation must meet California Building Code Chapter 7A, including Class A fire-rated assemblies and ember-resistant underlayments. This applies to all properties in the VHFHSZ, not just fire-damaged homes.
We coordinate the door schedule with you if pets need to stay inside, use pet-safe product choices where available, and lay drop cloths through every hallway. Shoe covers at the door, background-checked uniformed technicians, and a photo of the completed clean-up before we leave. That’s the Cedarwell Care Promise, and it’s how we work in every Altadena home.
Ready for a written price? Call (424) 766-4937 to schedule your free estimate. We’ll inspect the roof, explain what Altadena’s codes require for your specific home, and give you a line-item dollar amount before any work starts. Every job carries our 365-Day Done Right Promise.
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
"Roof repair after a leak. What won me over was the cleanup, they ground sheeted the flower beds so no debris fell in, and they ran a magnet over the whole yard for nails. Careful crew."
- Gordon Fiske"They repaired some lifted shingles and were so neat about it. Covered the deck, cleaned the gutters of debris when they were done, and checked the yard twice for nails. Kids play out there so that mattered."
- Lena Hargrove"Roof repair and they were meticulous about the cleanup, tarps over the garden beds and a magnet sweep for nails. We have a dog and a toddler so that mattered a lot."
- Thaddeus Bloom