Solar Sanity Checksolar, decoded Independent. Nothing you type leaves your browser.

Town of Los Altos Hills (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

IEBC Accepted
1
ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Adopted
Date SolarAPP+ Accepted
45554
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
Revision Required
0
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
No

Fire setbacks

Fire Setback Enforced
1

Structural & loads

Wind Speed
92
Wind Notes

https://ascehazardtool.org/

Snow Load
6
Snow Load Notes

https://ascehazardtool.org/

Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
No
Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,PV Breaker,Line Side Taps,Load Side Taps
Supply Tap Neutral Ground Bond Required
1
Temperature Rating
90
De Rating Ampacity
0.91
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

ESS Requirements NFPA 855

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Standard

Cover Page

Standard

Site

Standard

Roof Plan

Standard

Attachment Detail

Standard

Electrical Diagram

Standard

Label Page

Standard

Custom Placards Required
1

Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes

Standard Ground Mount requirements


show 10ft brush free area around GM on plans

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 Town of Los Altos Hills (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.