357 WATERPROOFING INC
California contractor license #887930 · Corona, Riverside County
License
- License number
- 887930
- Status
- Clear
- Classifications
- C-61/D-12 Synthetic Products
- Business type
- Corporation
- Issued
- Dec 2, 2006
- Expires
- Apr 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Pie Insurance Company (The)
- Contractor's bond
- $25,000 — Nationwide Mutual 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 15, 2026. Verify license #887930 on CSLB's License Check.
California public works
357 WATERPROOFING INC appears on 2 public works projects registered with the California Department of Industrial Relations, for 2 awarding bodies between 2023 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 21, 2026 | LOT 52 AND LOT 32 RESTRIPING UPGRADESPaving & streets | Department of General Services | Subcontractor | $1,821,438 |
| Oct 3, 2023 | West Valley Connector - Mainline ConstruOther | San Bernardino County Transportation Authority | Subcontractor | — |
Most recent 2 of 2. 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
- San Bernardino County Transportation Authority · 1 project
- Department of General Services · 1 project
Is this your business?
Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.
Claim this business