Revised Onsite Waste Treatment Systems (OWTS) Manual Find Out More
Streets to Creeks Find Out More
Coastal Close-Up Photo Contest Find Out More
Special Events Encroachment View Calendar
Housing Initiatives Find Out More
Sonoma County Cannabis Program Find Out More
Accessory Dwelling Units & Junior Units Find Out More

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

Rebuilding Together

The official information and resource site for rebuilding efforts, within the unincorporated areas of Sonoma County, related to the 2017 Sonoma Complex Fire.

Upcoming Events

Design Review Committee Meeting
When: August 21, 2019 at 1:30 PM
Agenda / PLP18-0054 #1 DRC Staff Memo [PDF: 246 KB] / PLP18-0053 #2 DRC Final Staff Report [PDF: 91.5 KB] / PLP18-0004 #3 DRC MEMO [PDF: 298 KB]
Code Enforcement Appeal/Abatement Hearing
Code Enforcement Appeal/Abatement Hearing
When: August 23, 2019 at 9:00 AM
Agenda
Hearings will not start prior to the scheduled time, however, start times may be delayed if a hearing runs longer than the allotted time.
JDRF Ride to Cure
When: August 24, 2019 from 6:30 AM – 5:00 PM
Special Event: The County received a permit application for this event, which may cause road closures or traffic impacts in unincorporated Sonoma County. This event is not sponsored or endorsed by the County of Sonoma. Please visit the event website for more information: https://www2.jdrf.org/site/TR/Ride/JDRFNationalRide?pg=entry&fr_id=7737.
Bodega Seafood Art and Wine Festival August 24-25, 2019
When: August 24, 2019 from 10:00 AM – 6:00 PM
Special Event: The County received a permit application for this event, which may cause road closures or traffic impacts in unincorporated Sonoma County. This event is not sponsored or endorsed by the County of Sonoma. Please visit the event website for more information: http://www.bodegaseafoodfestival.com/.
More Events

Latest News

Septic Permitting Changes Now in Effect
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...
Sonoma County Officially Adopts New Onsite Wastewater Treatment System Manual
Published on August 13, 2019
The Director of Permit Sonoma hereby adopts the County of Sonoma’s Onsite Wastewater Treatment System (OWTS) Manual, version 7.0, dated August 15, 2019.
July 2019 Newsletter
Published on July 31, 2019
In this issue of our e-newsletter we have:
- Environmental Resource Management Summer Academy
- Sonoma County Receives Merit Award for Housing Initiatives
- Local Fire Departments to Fly Flags for Red Flag Warnings
- Code Enforcement Success Story
- Vegetation Management & Defensible Space
- July 2019 Performance Data
More News

Press Releases

Winners Announced for Sonoma’s Coastal Photo Contest
Published on August 5, 2019
The County of Sonoma is pleased to announce the three winners of the Coastal Close-up photo contest. The winner of the People’s Choice category, was awarded to the person with the most Facebook likes, which totaled 170 votes.
Streets to Creeks Multi-County Campaign Launch to Prevent Creek Pollution in the Russian River Watershed
Published on August 1, 2019
A coalition of cities, counties, towns, and special districts that share the Russian River watershed have partnered to raise awareness about neighborhood storm drains and their connection to the vitality of our local creeks. Many community members are unaware of the fact that the storm drains in our streets, go directly into local creeks, and ultimately flow into the Russian River.
Hazardous Materials Team Responds to Cannabis Oil Extraction Waste
Published on July 19, 2019
At approximately 5:00 pm on July 18, Sonoma County Fire Prevention and Hazmat dispatched to Roblar Road and Valley Ford Road in response to a report of 5 55-gallon containers left on the side of the road.
More Press Releases