Description: Areas of Harris County outside an incorporated city's ETJ. Includes "No Man's Land" and properties with approved ETJ release petitions from City of Houston.List and shapefile of ETJ release petitions provided by Davonte Caldwell (Davonte.Caldwell@houstontx.gov) to the HCED Annexation group email.
Description: Inspector Zones are split among Unincorporated Harris County, which in turn is determined by erasing HCAD city boundaries from the HCAD county boundary. After each quarterly HCAD update, OCE GIS should compare and update Inspector Zones accordingly.Last updated 7/30/2026.