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City of Union City (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
Date SolarAPP+ Accepted
45145
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Storage Systems,Existing Systems,Trenching,MPU,Derate
How Many Plansets Required
3
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
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
85
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

Electrical Load Calcs Required
All Jobs,Derates,MPUs,Battery,Load Relocation,Taps
Allowed POI
Load Side Taps,PV Breaker,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
0
ESS Notes

Battery [ESS to be installed per manufacturer's instructions. // PV/ESS system to comply with CEC 710.15, 706.16(F), CEC 710.15(G) for stand-alone or isolated microgrid supply.]

  • ESS disconnecting means shall be permanently marked “ENERGY STORAGE SYSTEM DISCONNECT”. CEC 706.15(C)
  • Elevation view of PV and ESS system components should detail the distances to doors and windows, height above ground, and clearance between adjacent equipment for the PV and ESS system components.

ESS IN INTERIOR LOCATIONS:

  • Rooms and areas within dwelling units and attached garages with ESS shall be protected with smoke alarms. A heat detector, listed and interconnected to the smoke alarms shall be installed in locations within dwelling units and attached garages where smoke alarms cannot be installed due to their listing.
  • Please detail impact protection at the garage if the ESS is in the driving path. Batteries in a location subject to vehicle damage shall be provided impact protection for spaces in the normal path of vehicle travel within the garage or otherwise subject to vehicular impact.
Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
Yes - with dimensions

Plan set

Plan Set Requirements

All Projects:

  • OCCUPANCY CLASSIFICATION: R-3/U
  • CONSTRUCTION TYPE: V-B
  • NUMBER OF STORIES: 1
  • FIRE SPRINKLERS: NO
  • WUI / WILDLIFE URBAN INTERFACE: NO
  • Please provide a racking installation manual showing testing with the Modules, Alternatively, run ground wires from the frames to the building ground rods (to provide direct positive grounding, instead of reference grounding). Please note on plans.
  • Provide an 8"x11" legible photo of the electrical panel showing the entire enclosure (include sub panel when used to back feed) with the dead front removed with the main breaker visible. Ensure the Manufacturer's Nameplate Rating is also visible with the Panel's Max Amperage reflected



Roof Plan


Roof Plan Notes

All Jobs [Conduit to be painted to match the background]

Electrical Diagram
  • 120% allowed per code Please provide grounding information at main service meter
  • Show the wire distances between each piece of equipment.
Electrical Diagram Notes


Custom Placards Required
1
Non Standard Planset Requirements
BOS Elevation

Ground mount

Ground Mount Fencing Required
Yes
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Union City (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.