California contractor license
INTERSTATE ROOFING SPECIALIST CORPORATION
- C39 Roofing
- C46 Solar
INTERSTATE ROOFING SPECIALIST CORPORATION is a C39 Roofing and C46 Solar contractor in Oakland, Alameda County, licensed in California for 38 years (since 1987). As of Dec 18, 2025, the license is active with an expiration date of Dec 31, 2027 on record and a license bond is on file.
INTERSTATE ROOFING SPECIALIST CORPORATIONC39 Roofing · C46 Solar · checked Dec 18, 2025
ActiveLicense number#522166
Licensed sinceDec 29, 1987
Years licensed38 years
Expiration on recordDec 31, 2027
City and countyOakland, Alameda County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Dec 18, 2025.