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County Code for Permit Sonoma

The portion of the County Code administered and/or enforced by Permit Sonoma, plus the Building Division's Technical Bulletins for Sonoma County.

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County Code for Permit Sonoma

The County Code is the series of ordinances (law) enacted by the Sonoma County Board of Supervisors.

The list of chapters below is a featured index listing of the portion of the County Code administered and/or enforced by Permit Sonoma. It is intended as a quick access list and is not an exhaustive list.
For a full list: View All Chapters of County Code

Note: The County Code is hosted on a third party website.

Chapter Number	Chapter Title/Topic
Chapter 7	Building Regulations
Chapter 7A	Regulations for Limited Density Owner-Built Dwellings
Chapter 7B	Flood Damage Prevention
Chapter 7C	Wood-Burning Appliances and Fireplaces
Chapter 7D3	Water Efficient Landscape
Chapter 7D4	Small Residential Rooftop Solar Energy System Review Process
Chapter 7D5	Electric Vehicle Charging Station Permitting Process
Chapter 11	Construction Grading and Drainage
Chapter 11A	Storm Water Quality
Chapter 13	Sonoma County Fire Safety Ordinance
Chapter 13A	Duty to Maintain Defensible Space and Abate Hazardous Vegetation and Combustible Material
Chapter 15	Highways, Roads & Bridges (Permits only)
Chapter 16	Junk and Junk Dealers (Referral only)
Chapter 23	Rivers and Streams (Ordinance 3836R)
Chapter 23A	California Environmental Quality Act (CEQA) of 1970 Implementation
Chapter 24	Sewers and Sewage Disposal (Permits only)
Chapter 25	Subdivisions
Chapter 25A	Underground Utilities (Plan Check and Inspections only)
Chapter 25B	Water Well Construction Standards
Chapter 26	Sonoma County Zoning Regulations
Chapter 26A	Surface Mining / Reclamation
Chapter 26C	Coastal Zoning Resource Districts
Chapter 26D	Heritage or Landmark Trees
Chapter 29	Hazardous Materials Management
Chapter 40	Sonoma Complex Fire Disaster Recovery
Chapter 40A	Kincade Fire Disaster Recovery More Information and Ordinance Summary
Chapter 40B	COVID-19 Recovery
Chapter 40C	LNU Lightning Complex Fires Recovery (Walbridge and Meyers Fires)
Chapter 40D	Glass Incident Disaster Recovery

Building Technical Bulletins

Technical Bulletins are the Building Division’s interpretation of the County Code and state law and are available here to help you make sure your project conforms to state and local laws.

Go to Building Technical Bulletins