County Of Sonoma
Santa Rosa, CA Doing business as County Administrator's Office Auditor-Controller-Treasurer-Tax Collector
- UEI
- EB6LZJPCWEU3
- CAGE
- 4Y4L9
- Primary NAICS
- 921130 Public Finance Activities
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- U.S. Government Entity
- Corporate family
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- County Of Sonoma NRGZB96XYQB5
- Sonoma County Community Development Commission · Santa Rosa, CA QJKVLDMEA4B1
- FS5CNGJVWK69
- Sonoma County · Santa Rosa, CA MA5MFLZKNJR3
- County Of Sonoma JFT4UYJJMAT4
- County Of Sonoma · Santa Rosa, CA XM1KKF9Z41Z6
- County Of Sonoma · Santa Rosa, CA UVR7G1KAPHT5
- County Of Sonoma · Santa Rosa, CA N11GQJJTNLF1
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- SAM.gov registration date
- Physical address
- 585 Fiscal Dr Rm 100F, Santa Rosa, CA 95403, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Grant awards
Latest 5 listed here. See the rest on GovTribe.
Grant subawards
| Prime recipient | Prime award | Amount | Awarded |
|---|---|---|---|
| Not on record | EMF-2025-EP-05008 | $206,984 | |
| California Department Of Public Health | B0455423 | $141,597 | |
| California Department Of Public Health | X1055037 | $577,465 | |
| Department Of Social Services California | 2502CAFPSS | $233,487 | |
| Department Of Social Services California | 267CACA4S2519 | $199,678 |
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
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|---|---|---|
| City Of Santa Rosa | Santa Rosa, CA | 921110 Executive Offices |
| City Of Vacaville | Vacaville, CA | — |
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| County Of Napa | Napa, CA | — |
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About the company
County of Sonoma, operating through its County Administrator's Office division (Auditor-Controller-Treasurer-Tax Collector), is a U.S. local government entity that acts as the prime recipient of federal grant funding across social services, housing, transit, and community development programs. The county does not hold federal contracts; it operates exclusively as a grant recipient, with 72% of its recent federal award footprint (131 of 183 awards) held as prime grants and 28% as sub-recipient allocations flowing through state pass-through entities.
The county's federal customer base centers on HUD's Community Planning and Development office and the Federal Transit Administration, which together account for 64% of recent awards by count. HUD's Assistant Secretary for Community Planning and Development leads the active portfolio with 50 awards funding affordable housing development, homelessness prevention, and emergency shelter operations under the HOME Investment Partnerships Program (CFDA 14.239), Emergency Solutions Grant Program (CFDA 14.231), and Community Development Block Grant Entitlement (CFDA 14.218). The Federal Transit Administration has issued 31 awards supporting transit fleet maintenance, vehicle replacement, and operating assistance to Sonoma County Transit's fixed-route service in the Santa Rosa and Petaluma urbanized areas under Section 5307 and Section 5339 programs (CFDA 20.507 and 20.509). The Department of Health and Human Services Administration for Children and Families delivers 16 sub-recipient awards channeled through the California Department of Social Services for foster care, TANF, CalFresh Employment and Training, and family preservation programs. The Department of Justice Office on Violence Against Women has awarded domestic violence response and victim services coordination grants. The National Endowment for the Arts and the Federal Communications Commission round out the active customer set with project grants supporting arts and cultural organizations and affordable connectivity outreach.
County of Sonoma's most recent grant activity shows a rebound from a flat 2022–2023 baseline (nine awards per year) to 28 awards in 2024, followed by 16 awards in 2025 and 10 awards in 2026 year-to-date. Only four awards face ultimate completion within the next twenty-four months, limiting recompete exposure in the near term. Recent representative prime recipient work includes a $1.562 million Federal Transit Administration award (CFDA 20.526) on August 27, 2026, for preventive maintenance of transit vehicles and the purchase of four compressed natural gas buses covering fiscal years 2025–2027 and extending through December 31, 2029; a $660,599.32 HOME grant (CFDA 14.239) on February 5, 2026, for rehabilitation and acquisition of affordable rental housing and homebuyer assistance in Larkfield-Wikiup through September 30, 2034; and a $145,708 Emergency Solutions Grant (CFDA 14.231) on February 5, 2026, for street outreach, emergency shelter operations, and rapid re-housing services extending through February 4, 2028. As sub-recipient, the county administers allocations from the California Department of Social Services for county-supervised foster care assistance, SNAP administration, and family preservation services, and from the California Department of Public Health for home visiting and maternal and child health programs.
The corporate structure identifies Sonoma County Community Development Commission as a subsidiary community development corporation and housing authority focused on affordable housing finance and administration. The county operates as a formula-grant recipient under most HUD and FTA programs, meaning allocations flow to the jurisdiction without competitive application; eligibility is determined by statutory population, poverty, and need-based formulas. The combined potential value across the 183-award footprint is reported as $63 thousand, a figure that reflects the source system's treatment of formula-grant allocations; the combined dollars obligated across all awards ($294 million) provides the operative magnitude of recent federal support flowing through the county's administrative machinery.
Quick answers
Is County Of Sonoma registered in SAM.gov?
Yes. County Of Sonoma's SAM.gov registration is active through January 21, 2027.
What is County Of Sonoma's most recent federal award?
County Of Sonoma's most recent federal grant award is Provide preventive maintenance funds for the period of july 1 2025 to june 30 2026 and to provide preventive… (CA2026171), from Federal Transit Administration, on August 27, 2026.
On GovTribe
See County Of Sonoma's full federal record
- Federal contract awards
- Federal grant awards
- Funding analysis by agency, NAICS and set-aside
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