| Business | Phone |
| Houston City Office 19409 Sears Dr, Humble 77338 | (281) 540-2238 |
| Houston Water Plant 18715 Singing Woods Dr, Humble 77346 | (281) 812-0844 |
| Ems Non Emergency Calls 108 W Main St, Humble 77338 | (281) 446-7889 |
| Humble Building Maintenance 106 Staitti St, Humble 77338 | (281) 446-8669 |
| Humble Inspection Permit Dept 114 W Higgins St, Humble 77338 | (281) 446-6596 |
| Humble Sewer Treatment Plant 17720 Highway 59 N, Humble 77396 | (281) 446-7513 |
| Humble Sewer Treatment Plant 200 Dennis St, Humble 77338 | (281) 446-5881 |