County of Sonoma (CA)
Codes
- NEC Code Version
- 2023
- Fire Code Version
- 2018 Building Code
- Code List
2025 CALIFORNIA BUILDING CODE
2025 CALIFORNIA ELECTRICAL CODE
2025 CALIFORNIA FIRE CODE
2025 CALIFORNIA PLUMBING CODE
2025 CALIFORNIA MECHANICAL CODE
2025 CALIFORNIA ENERGY CODE
2025 CALIFORNIA RESIDENTIAL CODE
2025 CALIFORNIA ADMINISTRATIVE CODE
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- SolarAPP+ Status
- Adopted
- Date SolarAPP+ Accepted
- 44432
- Any SolarAPP+ Restrictions
- 1
- SolarAPP+ Restrictions
- Existing Systems,Trenching
- How Many Plansets Required
- Other (See Submission Notes)
- Revision Required
- 1
- Rough Inspection
- Footing inspection for > 10kW
- New Planset Required For Module Swap
- 0
Stamps
- Wet Stamps Required
- None
- Structural Calculations Required
- No
- Stamp Location On Plans
- Unspecified
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- 1
- Setback Notes
Standard
Structural & loads
- Wind Speed
- 90
- Wind Notes
Exposure Category C
- Snow Load
- 999
- Snow Load Notes
Check snow load for every project.
- Reducible Snow Load Allowed
- 1
- Max Attachment Spacing
- 96
- Structural Notes
- Show two pathways on separate roof planes from lowest roof edge to the ridge. Pathways shall not be less than 36 inches wide. Not fewer than one pathway shall be provided on the street or driveway side of the roof. (R324.6.1 Pathways) a past project E. - DCR
- Minimum Ground On Roof
- #10
Electrical
- AC Disconnect Required
- Yes
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Line Side Taps,PV Breaker,Load Side Taps
- Panel Schedule Required
- Partial Home Backup
- Temperature Rating
- 90
- De Rating Ampacity
- 1
Battery / ESS
- Unique Battery Placards Needed
- 0
- ESS Notes
Batteries installed interior of home must be accompanied by a sprinkler system.
If battery system, include this note on ELD: Producer's storage device(s) will not cause the Host Load to exceed its normal peak demand. Normal peak demand is defined as the highest amount of power required from the Distribution System by Producer's complete facilities without the influence or use of the energy storage device(s).
- Separate ESS Disconnect Required
- ESS Disconnect
- ESS Elevation Detail Required
- No
Plan set
- Plan Set Requirements
On structural Calcs: Structurals are ONLY required for GM solar for arrays over 6 ft. 11/30/2017 Please complete STRUCTURAL STANDARD doc. (attached below) If the project doesn't qualify with structural standard doc, structural engineering is required
- Electrical Diagram
Standard
- Custom Placards Required
- 1
Ground mount
- Ground Mount Fencing Required
- No
- Ground Mount Notes
- Dimensions from array to house, all detached structures, property lines, septic/leach lines and well must be included
- If plot plan can not be sourced from AHJ, a qualified septic consultant to prepare a Type 1 Findings Report
- Ensure proper wind category is selected (Most often wind category C)
- 1. Septic tank not being identified in plans. 2. All existing structures needing to be identified. (Labeled correctly ex. main house, barn, shed, ect.) 3. Setback measurements from the property needs to be added. Site plan needs to meet all of the requirements of CSS-019 Minimum Standard Site Plan Requirements per a past project DCR.
- Site plan minimum guidelines can be found at https://permitsonoma.org/instructionsandforms/css-019siteplanrequirements
- to look up septic permis: Public Records Requests
- Setback Front Yard
- 30