Are you looking for Midtown self storage or Montrose self storage? Proguard Self Storage recently opened another state-of-the-art self storage space in a convenient location. The spacious, modern facility is on 224 Gray St, so now you can find a nearby Houston self storage space that's ideally located for quick move-in and easy ongoing access.The 5 story tall Midtown Self Storage location houses 1,100 units ranging from 5' x 5' to 10' x 40' along with computerized gates and coded entry.