Interstate Grading and Paving INC, A General Engineering Contractor in South San Francisco, CA
Interstate Grading and Paving INC operating as a corporation holds an active California contractor license (CSLB #366020), valid through Nov 30, 2026. First issued in 1978, the license has been on the CSLB roster for 48 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Siriuspoint America Insurance Company and active workers' compensation coverage from Insurance Company of the West. The business is based in South San Francisco, in San Mateo County, California.
- License Number
- 366020
- Issued
- Nov 28, 1978
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Corporation
- Surety
- Siriuspoint America Insurance Company
- Bond Number
- SPA1510312001
- Effective
- Jun 5, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Insurance Company of the West
- Policy Number
- WSA503499609
- Effective
- Nov 1, 2025
- Expires
- Nov 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Interstate Grading and Paving INC licensed in California?
Yes. Interstate Grading and Paving INC holds California Contractors State License Board license number 366020, which is active and in good standing. The license was first issued on November 28, 1978. It is valid through November 30, 2026.
What does Interstate Grading and Paving INC specialize in?
Interstate Grading and Paving INC is licensed for one CSLB classification: A General Engineering Contractor.
Where is Interstate Grading and Paving INC headquartered?
Interstate Grading and Paving INC is headquartered at 128 So Maple Avenue, South San Francisco, CA 94080, in San Mateo County, California.
Does Interstate Grading and Paving INC have an active surety bond on file with CSLB?
Yes. Interstate Grading and Paving INC has an active California contractor surety bond filed with Siriuspoint America Insurance Company.
Does Interstate Grading and Paving INC carry workers' compensation coverage?
Yes. Interstate Grading and Paving INC carries active workers' compensation coverage through Insurance Company of the West.
How do I verify Interstate Grading and Paving INC's contractor license?
You can verify Interstate Grading and Paving INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=366020.
- License issuedNov 28, 1978
- Bond activeJun 5, 2025
- WC coverage startsNov 1, 2025
- WC expiresNov 1, 2026
- License expiresNov 30, 2026
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