Trade Journal

Cornerstone Construction Service, Inc.

is seeking certified and qualified DVBE subcontractors and/or suppliers to provide Demolition, backfill and grading subcontractor, base suppliers, chain link fencing supplier and installer, handrail fabricator and installer, asphalt subcontractor, landscape and irrigation subcontractor. Low voltage/fire alarm subcontractor (Edwards Systems) Portable toilet/handwash station rental and temp fence rental. Subcontractors must have California DIR #. Proposals needed by 10a.m. on 1/22/2026 to be considered.


PROJECT NAME:

Grand Terrace E.S. Portable Classrooms

BID CONTRACT #:

Bid # 26-15FAC

AWARDING AGENCY:

Colton Joint Unified School District

PROJECT LOCATION:

12066 Vivienda Avenue, Grand Terrace, CA, 92313

BID DUE DATE:

01-22-2026 at 02:00 PM

OUTREACH COORDINATOR:

Kimberly Madden

TELEPHONE:

(909)985-6766

FAX:

(909) 985-6189

ADDRESS:

1845 W. 9th St, Upland, CA, 91786

PROJECT DETAILS:

“We are an Equal Opportunity Employer. If you are planning to bid this project, we encourage your participation and welcome your bid.
All qualified bidders will receive consideration without regard to race, color, religion, sex or national origin. Plans & specs available by contacting cornerstone.office@verizon.net

“Subcontractors will be required to enter into our standard contract. No modifications to the contract are permitted. All subcontractors/vendors awarded work on this project must be able (If required) to furnish subcontract performance and payment bonds, for the amount of the subcontract bid, issued by an admitted corporate surety acceptable to our company .”

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