Sub Bid Requests

 
ADVERTISEMENT FOR SUBCONTRACTOR & SUPPLIER BIDS
SBE / MBE / DVBE / WBE / LBE / OBE FIRMS ENCOURAGED TO PARTICIPATE

Rubicon Builders is seeking quotes from certified SBE, MBE, DVBE, WBE, LBE, and OBE subcontractors and suppliers for participation in the following County project:

Project: Contra Costa County Demolition of Old Juvenile Hall

Project Address: 202 Glacier Dr Martinez, CA 94553

Bid Date & Time: 12/3/25 at 2pm

 Bidder: Rubicon Builders – 535 W Napa St, Sonoma, CA 95476

 Phone: (707)360-1717| Email: estimates@rubiconbuild.com

Rubicon Builders is requesting sub-bids for all applicable trades, including but not limited to:
-              Demolition
-              Asbestos Abatement and Disposal
-              Chain Link Fencing
-              Concrete (Formwork, Concrete Reinforcement, Cast-in-Place Concrete, Shotcrete)
-              Metals (Structural Steel, Metal Fabrications)
-              Plumbing (Gas Piping)
-              Electrical (Electrical General Requirements, Electrical General and Basic Material, Electrical Power Distribution Study, Electrical Emergency Standing Engine Generator – Automatic Transfer Switch)
-              Earthwork (Earth Moving, Site Clearing, Utility Trenching and Backfill)
-              Utilities and Trenching (Subdrainage, Storm Utility Drainage Piping)

Support for Certified Firms:
Rubicon Build, Inc. will provide reasonable assistance to interested subcontractors, including:
• Help in obtaining bonds, lines of credit, and insurance
• Breaking down bid packages into smaller components to facilitate participation
• Providing project information and clarifications as needed

Project Labor Agreement (PLA)
This project is subject to a PLA that all subcontractors must agree to, a copy of the PLA can be found in the specifications.

DIR Registration
This is a prevailing wage job, and all subcontractors must be registered with the DIR.

Construction Schedule
Anticipated start date January 1st, 2026, Overall duration 365 days

Plans, Specifications & Requirements:
Project documents such as plans, specifications, and any addendums issued can be reviewed with the following link. Please be sure to acknowledge any addendums or drawings necessary.
https://login.onlineplanservice.com/detail.aspx?idwebDB=True&BidPackageID=1314122&HOMEPR=COPS&STATUS=BIDDING&DOCLOC=COPS25-03364&PUNIQ=25-03364

We strongly encourage participation from all qualified SBE, MBE, DVBE, WBE, LBE, and OBE subcontractors and suppliers. All quotes must be received prior to the bid time listed above.

For more information or to submit a bid, please contact the estimator listed above.

Rubicon Builders - Contra Costa County Demolition of Old Juvenile Hall


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