Riverside County construction: bids, contractors and projects
Caltrans lettings, licensed contractors and project news for Riverside County, California, updated daily from public records.
Riverside County is part of our District 8 (San Bernardino) coverage area and falls under Caltrans District 8 (San Bernardino), headquartered in San Bernardino. CSLB's license file lists 14,807 construction contractors with a Riverside County address: 6,035 licensed General Engineering (A) and General Building (B) contractors and 8,772 licensed specialty (C) and Residential Remodeling (B-2) contractors. The largest single group is CSLB specialty (C) contractor (8,632). Most are based in Riverside, Corona, Temecula.
Caltrans's advertised letting schedule currently has 3 upcoming proposals in Riverside County, the next on Nov 10, 2026.
Upcoming Caltrans lettings in Riverside County
| Letting | Proposal | Major work type | Documents |
|---|---|---|---|
| Nov 10, 2026 | 08-1L8204 | Reinforced concrete pipe trenchless installation method 路 License A,C-42 | Proposal |
| Dec 1, 2026 | 08-1L1704 | RHMA, cold plane AC pavement, vegetation control (minor Conc) and MGS 路 License A,C-12 | Proposal |
| Dec 2, 2026 | 08-1N8804 | Hot Mix Asphalt, imported borrow and signal and lighting system 路 License A,C-10,C-12 | Proposal |
Contractors based in Riverside County
Counts come from the Contractors State License Board's License Master file (businesses whose license status is Clear and whose address is in Riverside County). Firms holding a General Engineering (A) or General Building (B) classification are counted as general contractors; the rest as specialty contractors.
- CSLB specialty (C) contractor: 8,632
- CSLB General Building (B) contractor: 5,088
- CSLB General Engineering (A) contractor: 947
- CSLB Residential Remodeling (B-2) contractor: 140
Find Riverside County subcontractors Find Riverside County general contractors
Riverside County project news
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How to bid public work in Riverside County
State highway work in Riverside County is let by Caltrans; the county is in Caltrans District 8 (San Bernardino) (Caltrans districts). Bidders need a CSLB license and, for public works, DIR public works contractor registration. See how to bid Caltrans contracts.
State agencies buy through Cal eProcure (see the supplier registration guide).
Statewide rules that apply here
- Bidding Caltrans: a CSLB license, DIR registration, a bidder ID and a digital ID
- California mechanics liens: 20 days to give notice, 90 days to record, 90 days to sue
Nearby counties
District 8 (San Bernardino) region: San Bernardino
Also in Caltrans District 8: (same as above)