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City of Whittier (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredDigital Structural
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
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching,MPU,Derate
How Many Plansets Required
2
Revision Required
1
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Show compliance with fire access pathways with LA County Fire Department requirements. 3' path must be measured FROM EXTERIOR WALL and not edge of eave or gable ends.

Structural & loads

Wind Speed
95
Wind Notes

Exposure Category B

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

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

Standard

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

[LACOF]

This AHJ follows County of Los Angeles (ESS Requirements) (CA).

Please follow this link to County of Los Angeles (ESS Requirements) (CA)

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
Yes - with dimensions

Plan set

Electrical Diagram

New Construction Projects & Main Panel Upgrades:

MPU Minimum 225/200A Main Service Panel Required.

Label Page

When derating the main breaker, provide a label stating "The main breaker has been derated to "_"Amps. No upsizing permitted."

Custom Placards Required
1
Placards Notes
  • CA Permanent placards for BOS/ESS + Main Site Plan
  • LA County Fire Disconnect placards as provided under Placard sheet of plan set

Ground mount

Ground Mount Fencing Required
Situational
Ground Mount Notes

Soil Class: Clay

Do ground-mounts require fencing around the array? Depends

Do ground mounts require soil samples? On hillside sloping conditions only

9/18/18 SJ - From staff (Plan Checker)

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Whittier (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.