Contra Costa County construction bids

11 public works projects are open for bid in Contra Costa County right now, 2 closing within a week. Agencies bidding work include City of Richmond, Caltrans, Contra Costa Water District, Central Contra Costa Sanitary District.

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2026-27 GRADE 5 RAA LINE REPLACEMENT PROJECTCity of RichmondBids due
Oct 19, 2026Hazardous Waste Disposal Services in Alameda, Santa Clara, San Mateo, San Francisco, Contra Costa, Marin, Solano, Sonoma, Napa Counties (04A7653)CaltransBids due
Oct 19, 20262774 ITB 2027 Ford Super Duty F-600 DRW XL 4WD Reg Cab 169” WB 84” CA (2774)Contra Costa Water DistrictBids due
Oct 23, 2026Guardrail Repair Services in Alameda, Contra Costa, Solano, and Sacramento Counties (04A7645)CaltransBids due
Oct 28, 2026Harbour Way and Wright Avenue Safety Improvements - Section 130 (PW - 10/07/2026)City of RichmondBids due
Oct 29, 2026Request for Proposal For a Grant Application, Review, and Management PlatformCity of RichmondBids due
Nov 1, 2026City of Brentwood Water Treatment Plan Actuator and Control System Upgrades (2773)Contra Costa Water DistrictBids due
Nov 5, 2026RHMA (Gap Graded), cold plane AC Pvmt, HFST, Mod signals & lighting. (04-0AA214)Caltrans District 4Bids due
Nov 10, 2026RFP: Construction Management Services for the Ultraviolet Disinfection Replacement, District Project 100012 (RE-ISSUE)Central Contra Costa Sanitary DistrictBids due
Nov 13, 2026RFP: Permitting System Including Implementation ServicesCentral Contra Costa Sanitary DistrictBids due
Nov 13, 2026Multidisciplinary On Call Professional Services: Plan Check, Engineering, Environmental, and Office & Field SupportCity of PinoleBids due
Nov 29, 2026

Nearby Bay Area counties

Alameda County Marin County Napa County San Francisco County San Mateo County Santa Clara County Solano County Sonoma County

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Many Contra Costa County public works contracts require a good faith effort to reach certified subcontractors. The Daily Reporter is certified by the California Department of General Services as a Trade Newspaper and Focused Newspaper. Place a GFE outreach ad with Proof of Publication included.