Sub Bid Requests

Click on link to download the full ad: Contra Costa County - East County Services Center

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207 King Street, Suite 300, San Francisco, CA 94107, (415) 978-1000

Invitation to Bid (ITB) for MBE, WBE, OBE, SBE, LBE, and DVBE firms
Project Name:Contra Costa County - East County Services Center| Location: Brentwood, CA | Owner: Contra Costa County  
Proposal Publish Date via Building Connected: 3/3/26 | Pre-Bid RFI Due Date: 3/13/26 | Proposal Due Date: 4/6/26
**IMPORTANT: Site Concrete and Landscape bids are due 3/20/26

A.          REQUEST FOR PROPOSAL:This is not the full RFP. If you are interested in responding and are qualified for the services described below (Section C) please fill out the following Smartsheet via this link: https://app.smartsheet.com/b/form/312138f38ae9460d903e8dbc26da6ccdAfter filling the form with Intent to Bid, Bidders will be invited to the appropriate BuildingConnected project work package where bid docs are located.
 
B.          PROJECT SUMMARY: The East County Services Center (ECSC) project is in East Contra Costa County, within the City of Brentwood. The proposed ECSC is a new 3-story facility totaling approximately 120,000 GSF on a combined project site area of 7.8 Acres. The design allocates primary public-facing services on the first two levels including a generous civic plaza to the north facing Technology Way, while the 3rd floor is dedicated exclusively to staff functions. The site will include surface parking areas designated for public, staff, and fleet vehicles. Staff and fleet parking will be located within a secure perimeter to the south, with controlled access to ensure operational safety and efficiency.


C.         SCOPES OF WORK FOR THIS RFP:

WP#	Work Package Scope Description	Bid Due Date
WP-10	Sheet Metal & Flashing	04/06/2026
WP-11	Waterproofing & Roofing	04/06/2026
WP-12	Caulking & Sealing	04/06/2026
WP-13	Misc. Metals	04/06/2026
WP-19	Interior Glazing	04/06/2026
WP-20	Tile & Stone	04/06/2026
WP-21	ACT & Specialty Ceilings	04/06/2026
WP-22	Flooring	04/06/2026
WP-23	Concrete Topping Slabs	04/06/2026
WP-24	Paintings & Wall Coverings	04/06/2026
WP-26	Window Treatments & Blinds	04/06/2026
WP-27	Operable Partitions	04/06/2026
WP-28	Landscape, Irrigation, and Site Furnishings [Pre-Bid RFI’s due 03/06/26]	03/20/2026
WP-29	Site Concrete [Pre-Bid RFI’s due 03/06/26]	03/20/2026
WP-30	Stripping	04/06/2026
WP-31	Parking Control Equipment	04/06/2026
WP-32	Fences	04/06/2026
WP-34	Appliances	04/06/2026
WP-35	CMU Walls	04/06/2026

 
D.         PREQUALIFICATION: All trade contractors will be required to be prequalified by Webcor Builders for your proposal to be accepted and to enter a contract for the scope of work.  If you have been invited to propose on this project and are not currently prequalified by Webcor Builders, please visit our website at  www.webcor.com/subcontractors  

Webcor Builders - Contra Costa County - East County Services Center

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