All HCSO substations are open to the public Monday through Friday from 8 a.m. to
5 p.m.
Cypresswood Substation
6831 Cypresswood
Spring, TX 77379
281-376-2997
(District I)
Humble Substation
7900 Will Clayton Pkwy.
Humble, TX 77338
281-446-9155
(District II)
Wallisville Substation
14350 Wallisville Rd.
Houston, Tx 77049
713-455-8050
(District III)
Clay Road Substation
16715 Clay Rd.
Houston, TX 77084
281-463-2648
(District IV)
Tomball Substation
23828 Tomball Pkwy.
Tomball, TX 77375
281-290-2100
(District V)