General Contractor in South San Francisco, CA. B
Cornerstone Construction & Maintenance Corp appears in California license records as a general contractor based in South San Francisco, CA. The record lists a B license (#700207) with status “Clear”. It was first issued on 1994-12-13, 31 years ago. It is listed as valid through 2027-07-31. A contractor bond of $25,000 is on file. Workers' comp on file: Exempt.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Cornerstone Construction & Maintenance Corp is a general contractor based in South San Francisco, California. Their license classification is B. Listed specialties: B.
Yes. Cornerstone Construction & Maintenance Corp holds California CSLB license #700207 (status: Clear). Verify the current status on California CSLB before hiring.
Cornerstone Construction & Maintenance Corp is based in South San Francisco, CA 94080.
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Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
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