Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.
Interstate Grading and Paving INC: CSLB License #366020
Source: CSLB public data · Updated November 1, 2026 · CSLB's record
- License expires within 60 days (2026-11-30)
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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 366020
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Issued
- November 28, 1978 (47 years)
- Expires
- November 30, 2026
- Classifications
- A General Engineering Contractor
HAZ Hazardous Substance Removal Certification - Mailing address
- 128 So Maple Avenue, South San Francisco, CA, 94080
- Phone
- (650) 952-7333
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Insurance Company of the West
- Policy number
- WSA503499609
- Effective
- November 1, 2025
- Expires
- November 1, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Siriuspoint America Insurance Company
- Bond number
- SPA1510312001
- Amount
- $25,000
- Effective
- June 5, 2025
Bond of qualifying individual
CSLB's public file lists no qualifier bond for this license. One isn't required when the qualifier owns at least 10% of the business, and some qualifier bonds appear only on CSLB's record.
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
Related
- Licensed general engineering contractors in South San Francisco
- Licensed contractors in South San Francisco
- Contractors in San Mateo County
- What "CLEAR" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.