| Business | Phone |
| Montgomery County Adult Prbtn 9200 Grogans Mill Rd 600, Spring 77380 | (281) 367-0226 |
| Montgomery County Courthouse 9909 Grogans Mill Rd, Spring 77380 | (281) 353-9791 |
| Montgomery County Precinct 9909 Grogans Mill Rd, Spring 77380 | (281) 363-1161 |
| Montgomery County Precinct 3 1130 Pruitt Rd, Spring 77380 | (281) 367-3977 |
| Tax Assessor 9909 Grogans Mill Rd, Spring 77380 | (281) 292-3325 |
| Harris County Commissioner 22540 Aldine Westfield Rd, Spring 77373 | (281) 353-8424 |
| Harris County Constable's Ofc 6831 Cypresswood Dr 3, Spring 77379 | (281) 376-3472 |
| Harris County Constable's Office 6831 Cypresswood Dr # 3, Spring 77379 | (281) 401-6205 |
| Harris County Toll Road Auth 24255 W Hardy Rd, Spring 77373 | (281) 353-2394 |
| Harris County Wcid 19300 Interstate 45, Spring 77373 | (281) 355-5791 |
| Harris County Wcid 23003 Banquo Dr, Spring 77373 | (281) 288-7113 |
| Justice Of Peace 6831 Cypresswood Dr, Spring 77379 | (281) 376-5512 |