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

City of Justin (TX)

Texas Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback Enforced1

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

2018 International Building Code

2018 International Residential Code

2018 International Existing Building Code

2018 International Mechanical Code

2018 International Energy Conservation Code

2018 International Plumbing Code

2018 International Fire Code

2017 National Electrical Code

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
Revision Required
1
New Planset Required For Module Swap
0

Stamps

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

Post Install Letter Notes


Solar Panel Installation Letter Required

Before we can schedule the inspection, the City of Justin is requiring a Solar Panel Installation Letter: After solar panel installation has been completed, please provide a letter stating that the installation was performed to current building and electrical code standards and is signed by either a master electrician or an engineer.

The Letter will need to state that all electrical components have been installed per plans and meet the 2017 NEC/ 2018 IRC.

This will need both EE & PE stamps.

Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
85
Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

StandardPost Install Letter Notes


Solar Panel Installation Letter Required

Before we can schedule the inspection, the City of Justin is requiring a Solar Panel Installation Letter: After solar panel installation has been completed, please provide a letter stating that the installation was performed to current building and electrical code standards and is signed by either a master electrician or an engineer.

The Letter will need to state that all electrical components have been installed per plans and meet the 2017 NEC/ 2018 IRC.

This will need both EE & PE stamps.

Minimum Ground On Roof
#10

Electrical

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

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Roof Plan

Conduit, wiring systems, and raceways for photovoltaic circuits shall be located as close as possible to the ridge or hip or valley and from the hip or valley as directly as possible to an outside wall to reduce trip hazards and maximize ventilation opportunities

Attachment Detail

Residential structures shall be designed so that each photovoltaic array is no greater than 150 feet (45 720 mm) by 150 feet (45 720 mm) in either axis

Custom Placards Required
0
Non Standard Revision Requirements

Post Install Letter Notes


Solar Panel Installation Letter Required

Before we can schedule the inspection, the City of Justin is requiring a Solar Panel Installation Letter: After solar panel installation has been completed, please provide a letter stating that the installation was performed to current building and electrical code standards and is signed by either a master electrician or an engineer.

The Letter will need to state that all electrical components have been installed per plans and meet the 2017 NEC/ 2018 IRC.

This will need both EE & PE stamps.


Please see Files section for example of the above

Ground mount

Ground Mount Fencing Required
No
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Justin (TX) 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.