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City of National City (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTesting
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
Testing
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
4
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
1

Stamps

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

* Has adopted the new CalFire 2016 Code affecting the setback rules

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category C

Snow Load
0
Snow Load Notes

N/A

Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
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

Standard

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

* Existing EV chargers MUST be on SLD. Modules on FOH must be flush mounted, no tilt kits allowed.

Cover Page

Vicinity map MUST be black and white line drawing. Follow steps below to generate this: Follow this link: 1\. Style: Under "Style" click "choose a Snazzy maps style". Then type "lines" in the search bar that appears and select the first option. Then hit "apply style". 2\. Size & Location: Click the pencil icon. Under "Center Location", click the green text that states "Or search for a location". Enter the site address. Click "apply changes". 3\. Markers: click on "Add your first marker". Under "Location", click the green text that states "Or search for a location". Enter the site address and hit "apply changes". 4\. Zoom in to the map until only the site and the nearest cross streets are showing. Take a snip of this image to use as the vicinity map. DO NOT use the save image feature from the website. Doing so will cause the site to ask the user to register for an account.

Site

ASSESSOR PARCEL NUMBER REQUIRED (APN) Show nearest cross street on plans

Roof Plan Notes

TO LIMIT THE HAZARD OF CUTTING LIVE CONDUIT IN VENTING OPERATIONS, DC WIRING SHALL BE RUN IN METALLIC CONDUIT OR RACEWAYS WHEN LOCATED WITHIN ENCLOSED SPACES IN A BUILDING AND SHALL BE RUN, TO THE MAXIMUM EXTENT POSSIBLE, ALONG THE BOTTOM OF LOAD-BEARING MEMBERS. CONDUIT RUNS BETWEEN SUB ARRAYS AND TO DC COMBINER BOXES SHALL USE THE DESIGN THAT MINIMIZES THE TOTAL AMOUNT OF CONDUIT ON THE ROOF BY TAKING THE SHORTEST PATH FROM THE ARRAY TO THE DC COMBINER BOX. THE DC COMBINER BOXES ARE TO BE LOCATED SUCH THAT CONDUIT RUNS ARE MINIMIZED IN THE PATHWAYS BETWEEN ARRAYS.

Electrical Diagram

Standard

Label Page Notes

MARKING PV SYSTEMS SHALL BE IDENTIFIED USING WEATHER RESISTANT SIGNAGE. UL 969 SHALL BE USED AS A STANDARD FOR WEATHER RATING. MARKING SHALL BE PLACED EVERY 10 FEET, AT TURNS AND ABOVE AND/OR BELOW PENETRATIONS, AND AT ALL DC COMBINER AND JUNCTION BOXES. ALL SOLAR/PV SIGNAGE SHALL BE APPROVED DURING PRE-FINAL SITE INSPECTION BY NATIONAL CITY FIRE DEPARTMENT INSPECTOR.

Placards Notes
Must have front of house plaque. 5 1/2in x 8in. (caution PV solar system connected) must be made of metal/reflective red.

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of National 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.