San Joaquin County construction: bids, contractors and projects
Caltrans lettings, licensed contractors and project news for San Joaquin County, California, updated daily from public records.
San Joaquin County is part of our District 10 (Stockton) coverage area and falls under Caltrans District 10 (Stockton), headquartered in Stockton. CSLB's license file lists 3,314 construction contractors with a San Joaquin County address: 1,411 licensed General Engineering (A) and General Building (B) contractors and 1,903 licensed specialty (C) and Residential Remodeling (B-2) contractors. The largest single group is CSLB specialty (C) contractor (1,872). Most are based in Stockton, Tracy, Lodi.
Caltrans's advertised letting schedule currently has 2 upcoming proposals in San Joaquin County, the next on Nov 5, 2026.
Upcoming Caltrans lettings in San Joaquin County
| Letting | Proposal | Major work type | Documents |
|---|---|---|---|
| Nov 5, 2026 | 10-1H2004 | Bridge work, erosion control, and lighting system 路 License A,C-8 | Proposal |
| Nov 10, 2026 | 32A0740 | Natural Gas Heater Unit and Thermostat Installation in San Joaquin County 路 License C-20 | Proposal |
Contractors based in San Joaquin County
Counts come from the Contractors State License Board's License Master file (businesses whose license status is Clear and whose address is in San Joaquin 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: 1,872
- CSLB General Building (B) contractor: 1,219
- CSLB General Engineering (A) contractor: 192
- CSLB Residential Remodeling (B-2) contractor: 31
Find San Joaquin County subcontractors Find San Joaquin County general contractors
San Joaquin County project news
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How to bid public work in San Joaquin County
State highway work in San Joaquin County is let by Caltrans; the county is in Caltrans District 10 (Stockton) (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 10 (Stockton) region: Alpine 路 Amador 路 Calaveras 路 Mariposa 路 Merced 路 Stanislaus 路 Tuolumne
Also in Caltrans District 10: (same as above)