Verify a Alta Loma roofer before you sign
9 licensed residential roofers are based in Alta Loma, CA. Search the list below, then check California's verification steps if you're comparing a bid from somewhere else.
Licenses checked · California Contractors State License Board
29median years licensed
What Alta Loma's roofing licenses show
0 of Alta Loma's roofing licenses hit their expiration date within the next 90 days from our last check.
An expired license can still show up in a Alta Loma search after it lapses, so the date matters as much as the name.
Confirm the expiration date directly on California's own lookup before you sign in Alta Loma.
Data: California Contractors State License Board license records, checked 2026-09-30.
Alta Loma roofing license records
Listed A to Z by business name. Search by name or license number; this isn't a ranking.
- Allstar Roofing CO448361C-39 RoofingExpires Nov 30, 2027Verify license
- American Roof Tops INC844118B General Building / C-39 RoofingExpires Aug 31, 2028Verify license
- Competition Roofing INC638220B General Building / C-39 RoofingExpires Mar 31, 2027Verify license
- Hyt Pros1092712B General Building / C-39 RoofingExpires Jun 30, 2028Verify license
- Keller Roof CO741945C-39 RoofingExpires Oct 31, 2027Verify license
- Michael Cooke Roofing1119771C-39 RoofingExpires Apr 30, 2028Verify license
- Ridgeline Roofing778793C-39 RoofingExpires May 31, 2028Verify license
- Roofquest738656C-39 RoofingExpires Jul 31, 2027Verify license
- Tom McGrail Roofing INC673647C-39 RoofingExpires Jul 31, 2027Verify license
How to check a license in California
- Search using the license number, the business name, or the name of whoever qualifies the license.[1]
- Confirm the classification reads C-39, the roofing classification, rather than relying on a general "B" license for a single-trade roof job.[2]
- Check that workers' compensation is shown on file; C-39 roofers must carry it whether or not they have employees.[2]
- Review the license's status and any disciplinary history displayed on the same result page.[1]
CSLB Check a Contractor License
Warning signs
- A license status that reads inactive, revoked, or suspended, or a business name that doesn't match your bid.[1]
- No pocket license or photo ID offered when someone arrives to give you a bid in person.[3]
- A deposit bigger than the state's own cap, the smaller of a tenth of the job's price or $1,000, without a bond on record to explain the extra.[4]
- Pressure to waive or rush past your three-day right to cancel after signing.[4]
Rules that protect you
- California requires a $25,000 bond for a C-39 license, on top of mandatory workers' compensation coverage for every C-39 roofer.[2]
- Any roofing job with combined labor and materials of $500 or more requires a C-39-licensed contractor by law.[2]
- A written contract is required for home improvement work over $500, with a right to cancel within three days of signing.[4]
What the federal hazard data says about Alta Loma
FEMA's county-level hazard data rates hail risk near Alta Loma as Relatively Moderate.
Hail is one of the two most common reasons a roofer knocks on a Alta Loma door uninvited, according to insurance-industry fraud warnings.
That's exactly the moment to check a license instead of signing on the spot in Alta Loma.
- Hail
- Relatively Moderate
- Strong wind
- Relatively High
- Wildfire
- Very High
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
More California license lookups
Sources
- Check a Contractor License or Home Improvement Salesperson (HIS) Registration, Contractors State License Board, accessed 2026-09-30
- Roofing Contractor (C-39) Licensing Classification, Contractors State License Board, accessed 2026-09-30
- How do I find the right licensed contractor?, Contractors State License Board, accessed 2026-09-30
- What Should I Look for in a Contract and Binding Agreements?, Contractors State License Board, accessed 2026-09-30