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First Carbon Report Informs Cultural Resource Mitigation

Contra Costa County
Document date
Jul 20, 2026

The 30-second brief

What it covers

Contra Costa County is relying on a Cultural Resources Assessment Report prepared by First Carbon Solutions for the Withers Avenue 3-lot subdivision. The April 4, 2025 report underpins cultural and tribal resource mitigation in the project’s CEQA documents.

Who holds it

First Carbon Solutions holds this professional services contract with Contra Costa County. Its other public contracts on record include work for City of Norwalk and City of Union.

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Contract details

Contract type
Professional Services
Document date
July 20, 2026
Vendor
First Carbon Solutions
Agency
Contra Costa County
Source document
Contra Costa County AgendaPacket Zoning Administrator Meeting 2026-07-20 (AgendaPacket)

First Carbon Solutions's other public contracts

Contra Costa County, CaliforniaFirst Carbon Solutions Prepared Cultural Assessment · Oct 5, 2026UndisclosedCity of Norwalk, CaliforniaFirst Carbon Solutions Prepared CEQA Compliance Memorandum · Sep 23, 2026UndisclosedCity of Union, CaliforniaUnion City Approves First Carbon Environmental Agreement · Jul 14, 2026UndisclosedCity of Union, CaliforniaUnion City Plans O’Connell Lane Environmental Contract · Jun 23, 2026UndisclosedCity of Agoura Hills, CaliforniaEnvironmental Services Agreement Approved for First Carbon · Jun 10, 2026UndisclosedAll First Carbon Solutions contractsVendor profile

More Contra Costa County contracts

Bay Area Regional Energy NetworkBayREN Provides Energy Roadmapping Assistance to County · Oct 23, 2026Hra AdvisorsCounty Works With HRA Advisors on Just Transition Plan · Oct 23, 2026UndisclosedCa Bear ConstructionCA Bear Construction Listed for Cowper Avenue Project · Oct 23, 2026UndisclosedFood Bank of Contra Costa & SolanoFood Bank Receives Three-Year Measure X Contract · Oct 23, 2026$3.6MMacias Gini & O’connellMacias Gini Audits Contra Costa Measure X Spending · Oct 23, 2026UndisclosedAll Contra Costa County activityAgency profile

Questions about this contract

Who was awarded the professional services contract by Contra Costa County?

First Carbon Solutions was awarded this professional services contract by Contra Costa County, as recorded on July 20, 2026.

What type of contract is this?

This is a Professional Services contract, documented as a agendapacket record.

Where was this contract approved?

This contract appears in Contra Costa County AgendaPacket Zoning Administrator Meeting 2026-07-20 (AgendaPacket), dated July 20, 2026 from Contra Costa County. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

What other contracts does First Carbon Solutions hold?

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

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

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