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Town of Hillsborough (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
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
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
3
Revision Required
0
Rough Inspection
None
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
145
Wind Notes

Exposure Category B

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

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Load Side Taps,PV Breaker,Line Side Taps,Meter Adapter
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

Electrical Diagram

Standard

Custom Placards Required
1

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Property setbacks for ground mounts are 20' away from sides and rear property lines, and 25' away from street.

Setback Front Yard
25
Setback Back Yard
20
Setback Side Yard
20
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Hillsborough (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.