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Sonoma County Awards Construction Contract to Matrix Hg (November 2025)

Sonoma County logoSonoma County
Disclosed value
$527,051.00 plus 15% contingency ($79,057.65)
From minutes
Awarded
Nov 4, 2025

The 30-second brief

What it covers

Matrix HG was awarded a $527,051 construction contract, plus a 15% contingency, for mechanical improvements at Sonoma County’s Brickway Boulevard Building B facility. The Public Infrastructure Director is authorized to execute the agreement.

Who holds it

Matrix Hg holds this construction contract with Sonoma County. Its other public contracts on record include work for Antioch Unified and Byron Sanitary District.

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Contract details

Contract type
Construction
Amount
$527,051.00 plus 15% contingency ($79,057.65)
Document date
November 4, 2025
Vendor
Matrix Hg
Agency
Sonoma County
Source document
sonoma_county_board_of_supervisors_meeting_minutes.pdf (Minutes)

Matrix Hg's other public contracts

Antioch Unified, CaliforniaChange Order Approved for Matrix HG · Jun 17, 2026UndisclosedByron Sanitary District, CaliforniaMatrix HG AC Unit Repair Included in District Billing · Jun 11, 2026$1.6KAntioch Unified, CaliforniaMatrix HG Boiler-Chiller Change Order Set for Approval · Apr 15, 2026UndisclosedEast Contra Costa Fire Protection District, CaliforniaMatrix HG awarded $13M HVAC maintenance contract · Dec 16, 2025$13MHealdsburg Unified, CaliforniaHVAC Replacement Contract for Fitch Mountain Campus · Nov 19, 2025UndisclosedAll Matrix Hg contractsVendor profile

More Sonoma County contracts

Graton Day Labor CenterCounty Funds Graton Day Labor Center Partnership · Oct 10, 2026Asian American Pacific Islander Coalition of Sonoma County (Aapic)County Funds Asian Pacific Islander Coalition · Oct 10, 2026Entrepreneurs of TomorrowCounty Funds Entrepreneurs of Tomorrow Partnership · Oct 10, 2026Bienestar CollectiveCounty Funds Bienestar Collective Partnership · Oct 10, 2026Creative SonomaCounty Approves $200,000 Creative Sonoma Project Funding · Oct 10, 2026$200KAll Sonoma County activityAgency profile

Questions about this contract

Who was awarded the construction contract by Sonoma County?

Matrix Hg was awarded this construction contract by Sonoma County, as recorded on November 4, 2025. The contract value is $527,051.00 plus 15% contingency ($79,057.65).

How much is the Matrix Hg contract with Sonoma County worth?

The Matrix Hg contract with Sonoma County is valued at $527,051.00 plus 15% contingency ($79,057.65), covering construction work.

What type of contract is this?

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

Where was this contract approved?

This contract appears in sonoma_county_board_of_supervisors_meeting_minutes.pdf (Minutes), dated November 4, 2025 from Sonoma County. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

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What other contracts does Matrix Hg hold?

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

What is Sonoma County currently buying?

Explore Sonoma County's vendors, signed contracts, and active RFPs on their Civic IQ agency profile.

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