Human Services Department

Human Services is the right place to start when you need support. 

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520 Mendocino Ave. to Close In-Person Client Services in September

The Economic Assistance office at 520 Mendocino Avenue, Santa Rosa, will close for in-person Medi-Cal, CalFresh and General Assistance client services starting Monday, September 23, 2019.

In-person client services will continue to be offered at its main office at 2550 Paulin Drive, Santa Rosa, and the Human Services Department’s South County Center, 5350 Old Redwood Highway North, Suite 100, Petaluma. 

Each month until the September closure, open hours at the Mendocino office will be reduced. Currently open 8 a.m. – 5 p.m., the Monday – Friday office hours will change on:

  • June 24, 2019  to 10 a.m. –4 p.m.,
  • July 22, 2019  to noon–4 p.m.,
  • August 26, 2019  to 2–4 p.m. and
  • September 23, 2019 when in-person services will permanently close.

Find details about the 520 closure and where to find services here.

Latest News

  • Published on June 11, 2019

    Over the next few months, the Sonoma County Human Services Department Economic Assistance Division will consolidate all in-person client services at its main office at 2550 Paulin Drive, Santa Rosa, and the Human Services Department’s South County Center, 5350 Old Redwood Highway, North, Suite 100, Petaluma.

  • Published on May 21, 2019

    Asistencia preescolar, ingresos y el nivel de educación de los padres y el lenguaje que se habla en casa afecta la habilidad de estar  listos para aprender cuando empiezan el kínder, según la encuesta del programa El Camino hacia el Éxito Temprano y Desarrollo de la Juventud (READY-Road to Early Achievement and Development for Youth) –para año 2018/2019. De los 1, 505 niños que se estudiaron este ano, siete de cada diez niños de kínder estaban listos o casi listos para empezar la escuela. Ellos tenían las habilidades sociales, para el desarrollo y académicas necesitadas para estar listos.

  • More Press Releases

Contact Information

Human Services Department
County of Sonoma
Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
3600 Westwind Boulevard
Santa Rosa, CA 95403
38.508155, -122.795028
Mailing Address
PO Box 1539
Santa Rosa, CA 95402

Visit HSD in Petaluma

Human Services South County Center

5350 Old Redwood Highway

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Call for an appointment (707) 565-5511


Call or search online for countywide services

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Dial 2-1-1 or (707) 565-2108

Report Abuse

Child abuse or neglect, (707) 565-4304 or (800) 870-7064

Adult abuse, neglect or exploitation, (800) 667-0404

Welfare fraud, (707) 565-8530 or (800) 344-8477

Civil rights violations, (707) 565-5855

SB 272

Senate Bill 272 requires local agencies publish a list of systems that serve as original sources of data within an agency.

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