Interstate Roofing and Solar

Oakland · Alameda County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Interstate Roofing and Solar in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#522166 verify on CSLB ↗
Classifications
C-39, C-46
Years licensed
38.5 years since 12/29/1987
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current STATE COMPENSATION INSURANCE FUND
Business type
Corporation
Qualifying principal
Bill Kwok, Vuong Buu Quoc Wong
Address of record
10401 Pearmain Street, Oakland, CA 94603

Frequently Asked Questions

Is Interstate Roofing and Solar a licensed Roofing contractor in California?

Yes. Interstate Roofing and Solar holds California CSLB contractor license #522166 with a C-39 (Roofing) classification. Current CSLB status: CLEAR.

What work is Interstate Roofing and Solar licensed to perform?

License #522166 carries C-39 (Roofing), plus additional classifications: C46.

Is Interstate Roofing and Solar bonded?

Yes. Interstate Roofing and Solar carries contractor's bond #100368346 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Interstate Roofing and Solar carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with STATE COMPENSATION INSURANCE FUND, with a policy expiration of 01/01/2027.

How long has Interstate Roofing and Solar held its contractor license?

License #522166 was originally issued on 12/29/1987, approximately 38 years ago (as of July 2026).

Where is Interstate Roofing and Solar located?

Interstate Roofing and Solar is based in Oakland, Alameda County, CA 94603.