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Roofers in Altadena, CA

Roofers

147 results

Sorted from nearest to farthest.

Registered and featured roofers

Other local businesses

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Roofers in Altadena, CA: by the numbers

There are 147 roofers with a phone number within 10 miles of Altadena, CA, from public Google Maps data and state license records. 8 have a state license we could confirm, and those with a Google listing average 4.9 stars across 3,766 reviews.

with a phone number
147
with a confirmed state license
8
open 24 hours or for emergencies
38
come to you (service area)
0

Highest rated on Google near Altadena, CA

Businesses with at least 20 Google reviews, sorted by rating. Ratings come from Google, not from Pros411.

  1. 1Francisco's Roofing Inc.5 ★ · 116 reviews · 7.7 mi
  2. 2Prime American Roofing5 ★ · 84 reviews · 9.3 mi
  3. 3Ariel Builders Roofing Services5 ★ · 81 reviews · 3.1 mi
  4. 4Andy Anytime Roofing5 ★ · 71 reviews · 4.8 mi
  5. 5California Building Professionals5 ★ · 53 reviews · 9.2 mi

Hours

Of the 131 businesses in this search that list their hours on Google, 101 are open on Saturdays and 88 on Sundays. 38 are open 24 hours. 65 have 4.5 stars or more with at least 10 reviews.

Good to know in Los Angeles

Los Angeles has a mild climate, but inland heat waves, Santa Ana winds in fall and winter, and a real wildfire risk, as the January 2025 Palisades and Eaton fires showed. Many homes are decades old, with older plumbing and electrical systems.

Weather and your home in Los Angeles (area)

days a year at 90°F or more
26
days a year at 100°F or more
2
freezing nights a year (32°F or below)
0
hail reports in Los Angeles County, 2016 to 2025 (5 of 1 inch or larger)
6
  • Santa Ana winds: most common from September to May. They are hot, dry and strong, and they spread wildfires. weather.gov
  • Palisades fire (January 7, 2025): 23,448 acres and 6,845 structures destroyed. fire.ca.gov
  • Eaton fire (January 7, 2025): 14,021 acres and 9,419 structures destroyed. fire.ca.gov
  • Tropical Storm Hilary (August 2023) brought Southern California’s first tropical storm watches and warnings; downtown LA set daily (2.48 inches) and August (2.99 inches) rainfall records. nhc.noaa.gov

Heat and freezes: NOAA 1991-2020 climate normals at Downtown Los Angeles (USC campus) (USW00093134). Hail: NOAA Storm Events reports by county; they depend on how many people report, so use them to compare areas. Checked October 22, 2026. NOAA Storm Events

What a roofer charges

National ranges published by cost guides, not prices from the businesses on this list. Always get the price in writing.

  • Full asphalt roof replacement: about $5,700 to $16,000 (HomeAdvisor, HomeGuide, Fixr).
  • Per square (100 sq ft) installed: $300 to $600 (HomeGuide).
  • Minor leak repair: $150 to $1,000; with some water damage, $1,000 to $3,000 (HomeGuide).

Roof replacement cost (and roof leak repair)

Before you call

  • During a leak, catch the water inside and stay off the roof.
  • Take photos for your insurance before any repair.
  • Ask for a written estimate with materials, tear-off, disposal and permit.
  • Ask for proof of insurance and the license where your state requires one.
  • Be careful with door-to-door roofers after storms: check reviews and license first.

Frequently asked questions

How many roofers are there in Altadena, CA?

There are 147 with a phone number within 10 miles, from public Google Maps data and state license registries.

How do I check a roofer's license in California?

In California the license is issued by the Contractors State License Board (CSLB); you can look up the number at https://www.cslb.ca.gov. Pros411 shows "License verified" when the number is in that registry and matches the business phone. 8 of the roofers on this list have it confirmed.

Which roofers in Altadena, CA have the best Google ratings?

Among those with at least 20 Google reviews, the highest rated in this search are Francisco's Roofing Inc. (5 stars, 116 reviews), Prime American Roofing (5 stars, 84 reviews), Ariel Builders Roofing Services (5 stars, 81 reviews).

Are there roofers open on weekends in Altadena, CA?

Yes: of the 131 that list their hours, 101 are open on Saturdays and 88 on Sundays.

Are there 24-hour roofers in Altadena, CA?

Yes: 38 list 24-hour hours or take emergency calls. Use the "24/7 emergencies" filter on the list.

How do I contact a roofer?

Call or WhatsApp them directly from the list or their listing. Pros411 charges customers no fee and is not a middleman: you deal with the pro directly.

Why do some listings show first?

At the top, in a yellow box, are featured listings: they are paid and labeled "Featured". Then come registered pros, in the order they last bumped their listing, and at the end businesses from public data, from nearest to farthest.