Trinity County construction: bids, contractors and projects
Caltrans lettings, licensed contractors and project news for Trinity County, California, updated daily from public records.
Trinity County is part of our District 2 (Redding) coverage area and falls under Caltrans District 2 (Redding), headquartered in Redding. CSLB's license file lists 113 construction contractors with a Trinity County address: 76 licensed General Engineering (A) and General Building (B) contractors and 37 licensed specialty (C) and Residential Remodeling (B-2) contractors. The largest single group is CSLB General Building (B) contractor (60). Most are based in Weaverville, Lewiston, Douglas City.
Caltrans's advertised letting schedule currently has 1 upcoming proposal in Trinity County, the next on Dec 2, 2026.
Upcoming Caltrans lettings in Trinity County
| Letting | Proposal | Major work type | Documents |
|---|---|---|---|
| Dec 2, 2026 | 02-0J53U4 | Cold plane and place HMA, replace culverts and replace delineation 路 License A,C-12 | Proposal |
Contractors based in Trinity County
Counts come from the Contractors State License Board's License Master file (businesses whose license status is Clear and whose address is in Trinity County). Firms holding a General Engineering (A) or General Building (B) classification are counted as general contractors; the rest as specialty contractors.
- CSLB General Building (B) contractor: 60
- CSLB specialty (C) contractor: 37
- CSLB General Engineering (A) contractor: 16
Find Trinity County subcontractors Find Trinity County general contractors
Trinity County project news
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How to bid public work in Trinity County
State highway work in Trinity County is let by Caltrans; the county is in Caltrans District 2 (Redding) (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 2 (Redding) region: Lassen 路 Modoc 路 Plumas 路 Shasta 路 Siskiyou 路 Tehama
Also in Caltrans District 2: (same as above)