Grimes County Justice and Business Center 270 FM 149 W., Anderson, Texas 77830
Grimes County Historical Courthouse 100 S. Main Street, Anderson, Texas 77830
Grimes County Road & Bridge/911 Addressing/Permits 1010 Hwy 90 South, Anderson, Texas 77830
Law Enforcement Center 382 FM 149 W., Anderson, Texas 77830
Navasota Annex 205 Veterans Memorial Drive, Navasota Texas 77868
Iola Annex 23170 FM 39, Iola, Texas 77861
Adult Probation 318 N. La Salle St., Navasota, Texas 77868