Cornerstone Builders INC
Cornerstone Builders INC operating as a corporation is licensed in California under CSLB number 1148939. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Daly City, in San Mateo County, California.
- License Number
- 1148939
- Issued
- Jan 13, 2026
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101022759
- Effective
- Dec 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 9, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
- License issued less than 2 years ago
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Cornerstone Builders INC licensed in California?
Yes. Cornerstone Builders INC holds California Contractors State License Board license number 1148939. The license was first issued on January 13, 2026. It is valid through January 31, 2028.
What does Cornerstone Builders INC specialize in?
Cornerstone Builders INC is licensed for one CSLB classification: B General Building Contractor.
Where is Cornerstone Builders INC headquartered?
Cornerstone Builders INC is headquartered at 912 Schwerin St, Daly City, CA 94014, in San Mateo County, California.
Does Cornerstone Builders INC have an active surety bond on file with CSLB?
Yes. Cornerstone Builders INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Cornerstone Builders INC carry workers' compensation coverage?
Cornerstone Builders INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cornerstone Builders INC's contractor license?
You can verify Cornerstone Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1148939.
- Bond activeDec 29, 2025
- WC coverage startsJan 9, 2026
- License issuedJan 13, 2026
- License expiresJan 31, 2028
- O'keeffe's INC#101981Brisbane·B General Building Contractor
- Huettig & Schromm INC#129060Menlo Park·A General Engineering Contractor
- Beltramo Daniel A#232883Atherton·B General Building Contractor
- Bach Construction INC#229727Burlingame·B General Building Contractor
- Lindstrom CO#244500San Mateo·B General Building Contractor
- Kelley Les INC#252313Belmont·A General Engineering Contractor
- R F Johnson Construction#252469Millbrae·B General Building Contractor
- Pribuss Engineering INC#251241So San Francisco·B General Building Contractor