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City of Livermore (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredDigital Structural,Digital Electrical
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
45020
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Structural,Digital Electrical
Structural Calculations Required
Yes
Stamp Location On Plans
Top Right
Date On Stamps
Date Plans are Stamped

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
0
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
Yes
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
0.91
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
1
ESS Notes

AHJ requires a 2nd disconnect in line sight of ESS if ESS is not in line sight of MSP.


PROVIDE ALL ESS LABELS REQUIRED BY CEC-706 -         â€śENERGY STORAGE SYSTEM DISCONNECT” LABEL IS REQUIRED TO INCLUDE THE NOMINAL ESS AC VOLTAGE AND MAXIMUM ESS DC VOLTAGE - ASHRAE DESIGN TEMPERATURE FOR LIVERMORE IS 97 DEGREES FAHRENHEIT 

Separate ESS Disconnect Required
ESS Disconnect,Local Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Plans must contain a digital signature from either staff or the designer.

Cover Page

Standard

Site

Standard

Roof Plan

Standard

Attachment Detail

Standard

Electrical Diagram

120% rule allowed for center-fed main service panels

Label Page

Need to add custom 'ESS DISCONNECT' label stating the following:


ESS DISCONNECT

NOMINAL AC VOLTAGE: ___________

MAXIMUM DC VOLTAGE: ___________

Custom Placards Required
1
Placards Notes
  • Permanent placards from placard page of plans

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Standard GM requirements

Setback Front Yard
10
Setback Back Yard
5
Setback Side Yard
5
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Livermore (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.