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City of Sonoma (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Fire Setback Enforced1

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
45211
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
How Many Plansets Required
3
Revision Required
0
New Planset Required For Module Swap
0

Stamps

Structural Calculations Required
No

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category B

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
PV Breaker,Line Side Taps,Meter Adapter,Load Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.96

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

7/17 amg - Joe stated the plans are straight forward and they do not require anything outside the code.

Electrical Diagram

Standard

Custom Placards Required
1

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

If array exceeds 6ft in height, wind uplift calculations will be required

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Sonoma (CA) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.