Accessory Structures in San Marcos, TX (2026)
1 verified accessory structures rules for San Marcos, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Shed & Carport Rules
San Marcos deleted the standard small-shed exemption from its Residential Code, so a detached accessory structure like a shed needs a building permit no matter how small it is.
San Marcos: Sheds Need a Permit at Any Size
Significant RestrictionsSan Marcos City Code Sec. 14.041 (amending IRC Section R105.2); Sec. 14.451(a)
Section R105.2 Building Exemption #2 is removed. ... It is unlawful for a person to perform any work requiring a building permit under the terms of this chapter without first applying for and obtaining a building permit for the work.