| Business | Phone |
| Katy City Humane Dept 5456 Franz Rd, Katy 77493 | (281) 394-8400 |
| Katy City Museum 6002 George Bush Dr, Katy 77493 | (281) 391-4884 |
| Katy City Museum 910 Avenue C, Katy 77493 | (281) 391-4884 |
| Katy Municipal Offices 910 Avenue C, Katy 77493 | (281) 391-4800 |
| Katy Permit Dept 910 Avenue C, Katy 77493 | (281) 391-4830 |
| Katy Scout Building 5919 4th St, Katy 77493 | (281) 391-4842 |
| Katy Veterans Memorial Museum 6206 George Bush Dr, Katy 77493 | (281) 391-8387 |