City of Rosemead (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

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: Existing Systems,Trenching,Derate

How Many Plansets Required: 2

Revision Required: 1

Rough Inspection: None

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

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: Standard

Minimum Ground On Roof: #10

Electrical

AC Disconnect Required: Yes

Electrical Load Calcs Required: Derates

Allowed POI: Line Side Taps,Load Side Taps,Meter Adapter,PV Breaker

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 0.91

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

NOTE - LA County Fire Prevention - Irwindale Office DOES NOT allow wall vents to be covered/relocated in order to meet 3' ESS clearances - DO NOT INSTALL ESS WITHIN 3' OF DOORS (INCLUDING GARAGE), WINDOWS (REGARDLESS IF THEY OPEN OR NOT), WALL VENTS/OPENINGS, OR WITHIN 5' OF PROPERTY LINE & 10' OF ANY VEGETATION - Fire Inspection will reject photos/Fail Fire Inspection & require relocation

Separate ESS Disconnect Required: ESS Disconnect

ESS Elevation Detail Required: Yes - with dimensions

Plan set

Electrical Diagram: If project has a battery: Include Power Source Disconnect Schedule

Electrical Diagram Notes

Custom Placards Required: 1

Ground mount

Ground Mount Fencing Required: Mesh/Scrim