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City of Fullerton (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredNone
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
45194
Any SolarAPP+ Restrictions
1
SolarAPP+ Restriction Notes

Power Controlled Systems (PCS) - Typically paired with DC batteries

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

Stamps

Wet Stamps Required
None
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category B

Snow Load
0
Snow Load Notes

N/A

Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

AC Disconnect Conditional Criteria
If battery is interior, an exterior AC disco is required
Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,PV Breaker,Load Side Taps,Line Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
1
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

In single family dwellings a readily accessible disconnect is required for the ESS on the exterior of the building Energy Storage Systems (ESS) shall not be located less than 3 feet from doors and windows directly entering the dwelling unit Provide ESS attachment details

ESS disconnect required within 6ft of MSP on same wall and not blocked by walls/gates/etc

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Expedited Checklist and the Structural Criteria (from files below) required for submittal even if we do not meet all the requirements for Expedited permitting.

Electrical Diagram

Centerfed 120% allowed

MPU: Level 1 or Level 2 Surge Protection is required at the main electrical Service per CEC/NEC 230.67.

Please indicate the Surge-protector to be utilized or provide a cut sheet for the new service panel to demonstrate that it has such protection built into the service panel.

Custom Placards Required
1

Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes

Ground mounted arrays shall comply with the following:

  • A clear, brush free area of 10 feet required and a noncombustible base of gravel or a maintained vegetative surface or a noncombustible base. Show on plans
  • Provide structural calculations for framing support the solar panels for both vertical load and lateral load.
  • Provide a grounding electrode at the ground mount PV and connect to the array.
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Fullerton (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.