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City of San Marcos (TX)

Texas Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2020
Fire Code Version2015 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2020
Fire Code Version
2015 Building Code
Code List

2021 INTERNATIONAL BUILDING CODE

2021INTERNATIONAL FIRE CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL FUEL GAS CODE

2020 NATIONAL ELECTRIC CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL RESIDENTIAL ONE/TWO FAMILY CODE

2021 INTERNATIONAL PROPERTY MAINTENANCE CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
0
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

All solar panels are set back a minimum of 5 feet from the building frontage.

Other standard setbacks still apply

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
5
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
Line Side Taps,Load 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
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Note is required on plans stating SMTXU must have access to equipment, at all times

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 San Marcos (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.