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City of Fontana (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
How Many Plansets Required
2
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
Yes - Attachment Spacing > 4ft
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
129
Wind Notes

STRUCTURAL CACLS MUST UTILIZE: WIND SPEED 129 MPH EXPOSURE C

Snow Load
0
Snow Load Notes

N/A

Reducible Snow Load Allowed
1
Max Attachment Spacing
48
Structural Notes
Calcs must utilize 129 MPH Ult.. Risk Cat 2, Exp "C" for wind design
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
Yes
Electrical Load Calcs Required
Derates
Allowed POI
Line Side Taps,PV Breaker,Meter Adapter,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

Standard

ESS disconnect required within line of sight of ESS on same wall and not blocked by walls/gates/etc


If installing ESS in garage add heat detection spec sheets

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Provide for Expedited Submittal (Not required with stamped PV plans):

  • If a job doesn't qualify for an expedited submittal, a standard submittal that includes structural calcs and engineer stamp would be required. SLD needs to be stamped for the project over 10 KW
  • Eligibility forms are required
Cover Page


Attachment Detail

Max Span 48in

Electrical Diagram

AHJ DOES NOT ALLOW 400amp MPU'S Centerfed 120% allowed

Surge Protection Device (SPD) required on all MPUs

Label Page

When derating the main breaker, provide a label stating "The main breaker has been derated to '(amperage)'A. No upsizing permitted."

Custom Placards Required
1
Placards Notes

 Appropriate signs are properly constructed, installed and displayed, including the following:

  1. a. Sign identifying PV system attributes at DC disconnect
  2. b. Sign identifying AC disconnect
  3. c. Warning sign indicating Dual Power Sources
Non Standard Revision Requirements

For all revisions/corrections:

  • Changes made to the plans must be clouded and labeled as Deltas, and the title page needs to have a full description of what the changes/revisions are.
  • In the title page we must also state the pages in which the changes/revisions are located at.

Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes

For GM's, panels must be lower than 6', they can not be seen over a fence

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