Contra Costa College Awards $310,000 Construction Contract to Sierra Excavating Llc (July 2026)

The Contra Costa Community College District approved a $310,000 contract with Sierra Excavating, LLC to provide construction services for the demolition of Science Hill at Diablo Valley College as part of the Science Technology Building project. The work runs from June 8, 2026 through August 17, 2026 and is funded within the Measure E construction budget.

Scope & details

The full contract record, as filed.

Contract amount

$310,000.00

Contract type

CONSTRUCTION

Contract term

06/08/2026 through 08/17/2026

Renewal date

2026-08-17

Renewal

Single construction period from 06/08/2026 through 08/17/2026; no renewals indicated.

Document type

Agreement

Source document

Contra Costa Community College District Agreement New Agreements and Amendments 2026-07-18

Related contracts

Other contracts from Sierra Excavating Llc.

View all →

vineland_portable_demo_project_bid_opening_april_2.pdf

PENDING

Twin Rivers Unified, California$55,000.00Apr 21, 2025

santa-rosa-junior-college-meeting-minutes-2023-09-12_9d0.txt

APPROVED

Santa Rosa Junior College, CaliforniaSep 12, 2023

santa-rosa-junior-college-meeting-minutes-2023-09-12_9d0.txt

AMENDED

Santa Rosa Junior College, California$511,698.95Sep 12, 2023

board_of_trustees_regular_meeting_agenda_september.md

AMENDED

Santa Rosa Junior College, California$511,698.95 (New Total); Change Order 1: $34,012.95Sep 12, 2023

board_of_trustees_regular_meeting_agenda_september.md

COMPLETED

Santa Rosa Junior College, CaliforniaSep 12, 2023

Frequently asked questions

Common questions about this contract, answered from the record.

Who was awarded the construction contract by Contra Costa College?

Sierra Excavating Llc was awarded this construction contract by Contra Costa College, as recorded on July 18, 2026. The contract value is $310,000.00.

How much is the Sierra Excavating Llc contract with Contra Costa College worth?

The Sierra Excavating Llc contract with Contra Costa College is valued at $310,000.00, covering construction work.

What type of contract is this?

This is a Construction contract, documented as a agreement record.

Where was this contract approved?

This contract appears in Contra Costa Community College District Agreement New Agreements and Amendments 2026-07-18 (Agreement), dated July 18, 2026 from Contra Costa College. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

What other contracts does Sierra Excavating Llc hold?

Sierra Excavating Llc may hold additional government contracts. View their full contract history, the agencies they serve, and total tracked spend on their Civic IQ vendor profile.

View Sierra Excavating Llc's profile

What is Contra Costa College currently buying?

Explore Contra Costa College's vendors, signed contracts, and active RFPs on their Civic IQ agency profile.

View Contra Costa College's profile