• Sonoma Ready banner 2

    Free Event: Sonoma Ready Day Emergency Preparedness Fair.  Sunday, September 8th. 10 a.m. - 3 p.m. More info

  • Census 2020 668

    Learn about the first digital census, and help us achieve a full and accurate count of all Sonoma County residents. More about Census 2020

  • Trails Challenge

    Join the Sonoma County Trails Challenge and see how far you'll go this summer. 

  • Adopt a Cat

    Our shelter cares for homeless animals until they can be matched with perfect forever homes. Adopt an Animal

  • Above Russian River by Tom Reynolds

    At the County, every opportunity you explore gives you the room to experience your career in a whole new way. Room to Move. Room to Grow »

County of Sonoma, California

  • Published on August 16, 2019

    As of August 15, 2019, the Sonoma County Onsite Wastewater Treatment System (OWTS) Manual version 7.0 is in effect.  Customers are hereby advised that any septic applications will be required to comply with the provisions of the OWTS Manual version 7.0.  Customers are further advised of the following updates to Permit Sonoma’s permitting procedures...

  • Environmental Health & Safety

    Published on August 14, 2019

    PUBLIC NOTICE IS HEREBY GIVEN, The Sonoma County Environmental Health Department, Solid Waste Management Program, acting as the Local Enforcement Agency (LEA) is certified by the Department of Resources Recycling and Recovery (CalRecycle) to enforce state laws and regulations at solid waste sites within its jurisdiction

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