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County of Collin (TX)

Texas Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2011
Wet Stamps RequiredNone
Fire Setback Enforced0

Codes

NEC Code Version
2011
Code List

NFPA 101 LIFE SAFETY CODE 2009 INTERNATIONAL BUILDING CODE 2009 INTERNATIONAL FIRE CODE 2009 INTERNATIONAL MECHANICAL CODE 2009 INTERNATIONAL PLUMBING CODE 2011 NATIONAL ELECTRIC CODE 2009 INTERNATIONAL FUEL GAS CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required
1
Revision Required
0
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
None
Structural Calculations Required
No
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
0
Setback Notes

Standard

Structural & loads

Wind Speed
90
Wind Notes

Exposure Category B

Snow Load
5
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes
Roof mount projects - NO permits Ground mount projects require a permit
Minimum Ground On Roof
#10

Electrical

AC Disconnect Required
Yes
Electrical Load Calcs Required
Derates
Allowed POI
Load Side Taps,Line Side Taps,Meter Adapter,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
No
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Roof mount projects - NO permits Ground mount projects require a permit

Electrical Diagram

Standard

Custom Placards Required
1
Placards Notes

Need placard on every job per utility.

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Permit/plan check required for ground mount projects need to provide drawings of the septic system showing the spray heads in comparison to their home that are stamped by a "Registered Sanitarian" - see a past project

Ground Mount Requires Soil Sample
Flood Study
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Collin (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.