Permit & Resource Management Department
Permit Sonoma is Sonoma County's consolidated land use planning and development permitting agency. Virtually any land development or construction that takes place in the unincorporated area of Sonoma County (outside the nine incorporated cities) is reviewed, permitted, and inspected by Permit Sonoma. Read More About Us
Virtual Office
In addition to in-person services, Permit Sonoma and the Resiliency Permit Center offers virtual operation, using e-submittals, telephony, and other technologies. More Info
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2024 Season - Wet Weather Groundwater Determinations & Percolation Testing: Open in Most Areas
Groundwater determinations and percolation testing are necessary for onsite wastewater treatment systems (OWTS). Groundwater determinations are reopened in almost all testing areas, and are closed in the Petaluma testing area. Percolation testing is extended in all testing areas.