Town Hall Address 901 Avenue C Katy, TX 77493 United States- Harris, Fort Bend, Waller County Website https://www.cityofkaty.com Zoning 281-391-4800 901 Avenue C Katy, TX 77493 United States Fire District 281-391-3500 1417 Avenue D Katy, TX 77493 United States Town Clerk 281-391-4800 901 Avenue C Katy, TX 77493 United States Water 281-391-4820 5454 Franz Rd. Katy, TX 77493 United States Sewer 281-391-4820 5454 Franz Rd. Katy, TX 77493 United States Tax Collector 281-391-4800 901 Avenue C Katy, TX 77493 United States County Harris, Fort Bend, Waller