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City of Carlsbad (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
Date SolarAPP+ Accepted
45132
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
How Many Plansets Required
1
Revision Required
1
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category C

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,Load Side Taps,Line Side Taps,Meter Adapter
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
1
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
1
ESS Notes

Battery system must be shown on placard. Battery system needs Battery Disco. No published information about battery placement.

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

Separate ESS Disconnect Required
Local Disconnect,ESS Disconnect
ESS Elevation Detail Required
Yes - with dimensions

Plan set

Plan Set Requirements

APN must be added to plans

Roof Plan

STANDARD

Electrical Diagram

STANDARD

Custom Placards Required
1
Placards Notes
  • Customer required placards are in the files section
  • Need the new labels that are Orange not red (Inverter and Disconnect)

Ground mount

Ground Mount Fencing Required
Situational
Ground Mount Notes

Ground Mount Fencing: AHJ said it is case by case, but they will never issue the permit BEFORE letting us know (we will not get a permit WITHOUT fencing & then receive a field correction) Setbacks based off zoning, see attached pdf Please review Solar Policy attached below Unable to build on slopes

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