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Permit Services & Data
Long Range Plans
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- Adopted Long-Range Plans
Regulations and Initiatives
Zoning
Fire Prevention & HazMat

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Permit Sonoma › › Eng and Constr › Operational Permit Program Updates

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Well and Septic Systems

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Operational Permit (OPR) Program Updates

Published: December 30, 2021

Permit Sonoma has updated Operational Permit application requirements. Please view our Operational Permit application required contents webpage for more details. The new Operational Permit application requirements are effective January 1, 2022.

Well and Septic Systems

Email Address

PermitSonoma-Well-Septic@sonoma-county.org

Phone Operator

Phone: (707) 565-1900

CA Relay Service: 711

In Person Hours

Monday – Tuesday,

Thursday – Friday

8:00 AM – 4:00 PM

Wednesday

10:30 AM – 4:00 PM