INTERSTATE GRADING AND PAVING INC
California contractor license #366020 · South San Francisco, San Mateo County
License
- License number
- 366020
- Status
- Clear
- Classifications
- A General Engineering Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Nov 28, 1978
- Expires
- Nov 30, 2026
- Workers' compensation
- Workers' Compensation Insurance — Insurance Company Of The West
- Contractor's bond
- $25,000 — Siriuspoint America Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 22, 2026. Verify license #366020 on CSLB's License Check.
California public works
INTERSTATE GRADING AND PAVING INC appears on 15 public works projects registered with the California Department of Industrial Relations, 7 of them as the prime contractor, for 13 awarding bodies between 2021 and 2026. Projects it led total $15,583,053 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 1, 2026 | Pavement Repairs at Various LocationsTraffic & signals | City of Walnut Creek | Prime | $506,862 |
| Jun 10, 2026 | FM Coliseum EV Charging DepotSolar, EV & energy | FM Coliseum LLC | Prime | $3,769,750 |
| Apr 27, 2026 | 2026 Pavement Overlay and Curb Ramp ProjPaving & streets | City of Redwood City | Prime | $2,549,340 |
| Mar 19, 2026 | WV General ContractorOther | West Valley-Mission Community College District | Subcontractor | $67,160,000 |
| Mar 3, 2026 | Central Park Community Center ProjectSewer & wastewater | City of Fremont | Subcontractor | $33,460,000 |
| Jul 29, 2025 | Pavement Rehab (Maude & Lakehaven)Paving & streets | City of Sunnyvale | Prime | $2,652,375 |
| Jul 1, 2025 | Pavement Rehabilitation 2025 SB1Paving & streets | City of Sunnyvale | Prime | $2,013,663 |
| Jun 13, 2025 | 2025 Street Resurfacing ProjectTraffic & signals | Town of San Anselmo | Prime | $970,000 |
| Mar 12, 2025 | Fiesta Gardens NorthParks, landscape & fields | San Mateo-Foster City School District | Subcontractor | $26,300,000 |
| Jul 8, 2024 | 2024 Street Resurfacing ProjectPaving & streets | City of Burlingame | Subcontractor | — |
| Jun 25, 2024 | 2021-22 Street Reconstruction ProjectPaving & streets | City of San Bruno - Public Works Department | Prime | $3,121,064 |
| Jun 11, 2024 | HUSD CORP YARD PAVINGPaving & streets | Hayward USD | Subcontractor | — |
| May 14, 2024 | Huntington Ave Bike and Ped ImprovementsPaving & streets | City of San Bruno - Public Works Department | Subcontractor | $2,317,055 |
| Oct 27, 2021 | Huntington Avenue Improvements ProjectOther | City of San Bruno | Subcontractor | — |
| — | Los Altos Library Courtyard RenovationElectrical, low voltage & AV | Santa Clara County Library Dis. | Subcontractor | $2,274,000 |
Most recent 15 of 15. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- City of Sunnyvale · 2 projects
- City of San Bruno - Public Works Department · 2 projects
- Hayward USD · 1 project
- City of Walnut Creek · 1 project
- City of Fremont · 1 project
- San Mateo-Foster City School District · 1 project
- West Valley-Mission Community College District · 1 project
- City of San Bruno · 1 project
- Santa Clara County Library Dis. · 1 project
- FM Coliseum LLC · 1 project
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