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City of Palmdale (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusPiloting
Wet Stamps RequiredDigital Electrical,Digital 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
Piloting
Date SolarAPP+ Accepted
45131
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching,Derate
How Many Plansets Required
Other (See Submission Notes)
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Electrical,Digital Structural
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
95
Wind Notes

Exposure Category C

Snow Load
20
Reducible Snow Load Allowed
0
Max Attachment Spacing
96
Structural Notes

Structural calcs should show the type, quantity, size and spacing of fasteners.

Structural calcs should show: snow load = 20 psf, wind speed of 95 mph, exposure is c, and the type, quantity, size and spacing of fasteners.

All sheets of the plans and the first sheet of the calculations are required to be signed by the California licensed architect or engineer responsible for the plan preparation. Please include the California license number, seal, date of license expiration and the date the plans are signed. [§ 5536.1, 6735 California Business and Profession Code] For structural.

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Load Side Taps,Meter Adapter,Line Side Taps,PV Breaker
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91
BOS Restrictions

Standard

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

[LACOF]

This AHJ follows County of Los Angeles (ESS Requirements) (CA).

Please follow this link to County of Los Angeles (ESS Requirements) (CA)


  • ESS DISCONNECT REQUIRED BETWEEN BATTERY AND INVERTER OR COMBINER BOX
  • ESS DISCONNECT REQUIRED WITHIN 6FT OF MSP ON SAME WALL AND NOT BLOCKED BY WALLS/GATES/ETC
Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
Yes - with dimensions

Plan set

Plan Set Requirements

All Jobs:

  • FILL OUT CITY HANDOUT PDF FORM UPLOADED BELOW

EV CHARGERS:

  • A SEPARATE EV CHARGER ONLY PLAN SET MUST BE CREATED
  • THE PV PLANS SHOULD NOT INCLUDE THE EV CHARGER EXCEPT ON THE ELD
Site

AC AND ESS DISCO MUST BE GROUPED WITH MSP

Attachment Detail
  • FLASHING REQUIRED.
  • PROVIDE INFO FOR UL LISTED BASE AND ROOF FLASHING FOR SOLAR MOUNTS -
  • IF THE PROJECT HAS TILE FLASHING, MUST BE CALLED OUT ON ATTACHMENT DETAIL (EX: TILE HOOK FLASHING )
  • INCLUDE INSTALL GUIDE FOR PROJECTS USING THE ECOFASTEN ROCKIT ATTACHMENT
Electrical Diagram
  • IDENTIFY THE EXISTING GROUNDING ELECTRODE TYPE (I.E. DRIVEN ROD, UFER, WATER PIPE, OR SOME COMBINATION)
  • IF ONLY WATER PIPE IS EXISTING, THEN AN ADDITIONAL ELECTRODE (GROUNDING ROD) SHALL BE PROVIDED
  • FOR PROJECTS WITH SUB PANELS, PROVIDE LOAD CALCULATIONS AND A PANEL SCHEDULE
Electrical Diagram Notes

All Jobs [GROUND BUSHINGS ARE REQUIRED AROUND KNOCKOUTS ON THE DC SIDE OF THE SYSTEM]


ADD 'DEDICATED' TO PV BREAKER AND DISCONNECT. IF LOAD CENTER IS USED, CALLOUT 'DEDICATED' ON PV BREAKERS IN LC AS WELL

Label Page

Existing Systems [Warning not all PV modules are on rapid shutdown]


DERATES:

  • INCLUDE LABEL INDICATING THE MAIN SERVICE BREAKER HAS BEEN DOWNSIZED TO _______AMPS. NO UP-SIZING IS PERMITTED
Custom Placards Required
1
Placards Notes

ALL JOBS:

  • The site specific placard should be rotated so that the MSP faces the bottom of the page

DERATES:

  • A permanently affixed metal placard shall be riveted in place for clear visibility inside the electrical panel that states: “The main service breaker has been downsized to _______AMPS. No up-sizing is permitted.” 
Non Standard Revision Requirements


Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

GROUND MOUNT - NO FENCING REQUIRED - INSTEAD OF FENCE, WE NEED TO INSTALL MESH 

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