City of Allen (TX)

Texas Authority Having Jurisdiction Solar permitting requirements

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NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback EnforcedYes

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

2021 INTERNATIONAL BUILDING CODE 

2021 INTERNATIONAL ENERGY CONSERVATION CODE 

2021 INTERNATIONAL EXISTING BUILDING CODE 

2021 INTERNATIONAL FIRE CODE 

2021 INTERNATIONAL FUEL GAS CODE 

2021 INTERNATIONAL MECHANICAL CODE 

2021 INTERNATIONAL PLUMBING CODE 

2021 INTERNATIONAL POOL AND SPA CODE 

2021 INTERNATIONAL RESIDENTIAL CODE 

2023 NATIONAL ELECTRIC CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
Yes
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
3
Revision Required
Yes
New Planset Required For Module Swap
No

Stamps

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

EE stamp required on SLD

Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
Yes
Setback Notes

Standard

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
5
Snow Load Notes


Reducible Snow Load Allowed
Yes
Max Attachment Spacing
96
Structural Notes

Important:

  • All documents must be designed, sealed, stamped, and signed by Structural Engineer.
  • Civil Engineer stamps are NOT accepted.

Note:

Minimum Ground On Roof
#10

Electrical

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

Battery / ESS

Unique Battery Placards Needed
No
ESS Notes

ESS cannot be mounted to brick veneer

Separate ESS Disconnect Required
No
ESS Elevation Detail Required
No

Plan set

Roof Plan

10/14/24

AHJ no specific placement of panels

Electrical Diagram

This AHJ Enforces 230.85 accessible shutdown requirements.

Custom Placards Required
No

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 Allen (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.