Hot tubs and spas in Katy fall under the same adopted International Swimming Pool and Spa Code, with permit and safety cover or barrier requirements.
Katy has adopted the 2021 International Swimming Pool and Spa Code as part of Chapter 3, Article 3.02, Division 10 of its building regulations. The ISPSC governs both swimming pools and spas, including portable and permanently installed hot tubs. Owners must obtain a building permit when installing a permanent spa, and the unit must meet electrical bonding and GFCI requirements under Katy's adopted electrical code. A safety cover meeting ASTM F1346 or a compliant barrier is required to prevent unsupervised access. Manufactured spas with a listed lockable safety cover may satisfy the barrier requirement under the ISPSC.
Installing a permanent hot tub without a permit or without a compliant lockable cover or barrier can result in citations from Katy's Permit and Building Services or Code Enforcement.
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