Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Hargill Cemetery | Cemetery | 20 | Hidalgo | 26 26 14 N | 098 01 20 W |
| Harmaston | Populated Place | 20 | Harris | 29 58 40 N | 095 09 33 W |
| Heights Hospital | Hospital | 20 | Harris | 29 48 13 N | 095 24 15 W |
| Helms Elementary School | School | 20 | Harris | 29 48 18 N | 095 24 22 W |
| Helms Elementary SPARK Park Trail | Trail | 20 | Harris | 29 48 18 N | 095 24 22 W |
| Helms School | School | 20 | Harris | 29 48 19 N | 095 24 25 W |
| Henrietta M King High School | School | 20 | Kleberg | 27 30 39 N | 097 52 01 W |
| Hermann Hospital Lake | Lake | 20 | Fort Bend | 29 32 33 N | 095 31 54 W |
| Herrera Elementary School | School | 20 | Harris | 29 49 18 N | 095 22 03 W |
| Herrera Elementary SPARK Park Trail | Trail | 20 | Harris | 29 49 18 N | 095 22 03 W |
| Hirchhauser Cemetery | Cemetery | 20 | Victoria | 28 53 09 N | 096 49 28 W |
| Homebound School - Kingsville | School | 20 | Kleberg | 27 31 23 N | 097 52 21 W |
| Homestead Missionary Baptist Church | Church | 20 | Harris | 29 53 08 N | 095 18 04 W |
| Horeb Baptist Church | Church | 20 | Harris | 29 37 55 N | 095 29 43 W |
| Houston Baptist College | School | 20 | Harris | 29 41 42 N | 095 30 55 W |
| Houston Country Club | Locale | 20 | Harris | 29 45 42 N | 095 29 19 W |
| Houston Heights Waterworks Reservoir | Reservoir | 20 | Harris | 29 48 14 N | 095 24 20 W |
| Houston-Southwest Airport | Airport | 20 | Fort Bend | 29 30 23 N | 095 28 37 W |
| Huffman Community Cemetery | Cemetery | 20 | Harris | 30 00 18 N | 095 04 50 W |
| Hull Oil and Gas Field | Oilfield | 20 | Liberty | 30 07 32 N | 094 40 01 W |
| Humble Camp | Locale | 20 | Fort Bend | 29 27 22 N | 095 34 56 W |
| Hunters Creek Village | Populated Place | 20 | Harris | 29 46 14 N | 095 29 44 W |
| Iglesia el Dios Vivo Pentecoste Church | Church | 20 | Harris | 29 43 34 N | 095 29 41 W |
| Independence Heights Residential Historic District | Locale | 20 | Harris | 29 48 60 N | 095 23 38 W |
| Indian Hills | Populated Place | 20 | Hidalgo | 26 12 46 N | 097 54 59 W |
| Indian Ridge | Ridge | 20 | Liberty | 30 23 08 N | 094 51 30 W |
| Inez | Populated Place | 20 | Victoria | 28 54 14 N | 096 47 17 W |
| J F Kennedy School | School | 20 | Harris | 29 49 41 N | 095 23 47 W |
| J R Colonia Number 1 | Populated Place | 20 | Hidalgo | 26 06 01 N | 097 57 05 W |
| J R Colonia Number 2 | Populated Place | 20 | Hidalgo | 26 06 05 N | 097 56 43 W |
| Jackson County Courthouse | Building | 20 | Jackson | 28 58 43 N | 096 38 49 W |
| Jardis del Eden Pentecostal Holiness Church | Church | 20 | Harris | 29 42 07 N | 095 29 22 W |
| Jaycee Park | Park | 20 | Harris | 29 47 39 N | 095 26 13 W |
| Jesus Maria Colonia | Populated Place | 20 | Hidalgo | 26 06 51 N | 097 57 12 W |
| Jet Ag Incorporated Airport | Airport | 20 | Liberty | 30 00 26 N | 094 58 01 W |
| Jewett Cemetery | Cemetery | 20 | Victoria | 28 45 56 N | 096 58 50 W |
| John B Ragland Mercantile Company Building | Building | 20 | Kleberg | 27 30 59 N | 097 51 58 W |
| Joseph M Pound House Historical Museum | Building | 20 | Fort Bend | 29 25 56 N | 095 41 20 W |
| Juanita Windmill | Locale | 20 | Hidalgo | 26 34 37 N | 098 03 14 W |
| Keahey Elementary School | School | 20 | Harris | 29 53 59 N | 095 17 48 W |
| Kennedy Elementary School | School | 20 | Hidalgo | 26 18 04 N | 098 00 02 W |
| Kerr Park | Park | 20 | Harris | 29 49 60 N | 095 23 37 W |
| KINE-AM (Kingsville) | Tower | 20 | Nueces | 27 36 37 N | 097 47 43 W |
| Kinkaid School | School | 20 | Harris | 29 44 58 N | 095 30 39 W |
| KLAT-AM (Houston) | Tower | 20 | Harris | 29 53 48 N | 095 17 26 W |
| Kleberg Elementary School | School | 20 | Kleberg | 27 31 30 N | 097 52 05 W |
| Kleburg School | School | 20 | Kleberg | 27 31 30 N | 097 52 02 W |
| KSHN-FM (Liberty) | Tower | 20 | Hardin | 30 07 14 N | 094 37 14 W |
| Kubecka Flying Service Incorporated Airport | Airport | 20 | Jackson | 28 58 51 N | 096 37 19 W |
| La Bolsa Banco Number 27 | Levee | 20 | Cameron | 26 04 26 N | 097 51 36 W |
| La Concepcion Ranch | Locale | 20 | Hidalgo | 26 34 22 N | 098 03 46 W |
| La Copita Pasture | Flat | 20 | Hidalgo | 26 43 41 N | 098 05 24 W |
| La Copita Windmill | Locale | 20 | Hidalgo | 26 44 31 N | 098 05 02 W |
| La Nopalosa Ranch | Locale | 20 | Hidalgo | 26 34 18 N | 098 04 13 W |
| La Paloma Ranch | Locale | 20 | Kenedy | 27 13 07 N | 097 56 52 W |
| La Presita Windmill | Locale | 20 | Brooks | 26 55 31 N | 098 02 04 W |
| Lake Houston State Park | Park | 20 | Harris | 30 06 59 N | 095 09 05 W |
| Lakewood Heights | Populated Place | 20 | Harris | 30 01 20 N | 095 06 52 W |
| Lamb of God Lutheran Church | Church | 20 | Harris | 29 39 21 N | 095 30 52 W |
| Las Palomas Wildlife Management Area - Adams Unit | Park | 20 | Hidalgo | 26 07 36 N | 097 57 05 W |
| Laughter Cemetery | Cemetery | 20 | Jackson | 29 02 29 N | 096 43 18 W |
| Lawrence E Elkins High School | School | 20 | Fort Bend | 29 32 53 N | 095 33 44 W |
| Lazybrook Baptist Church | Church | 20 | Harris | 29 48 06 N | 095 25 56 W |
| Lee High School - Houston | School | 20 | Harris | 29 43 51 N | 095 30 01 W |
| Leedale Baptist Church | Church | 20 | Harris | 29 52 40 N | 095 17 51 W |
| Leon R Graham Elementary School | School | 20 | Hidalgo | 26 08 36 N | 097 54 44 W |
| Leon R Graham Elementary School | School | 20 | Hidalgo | 26 08 38 N | 097 54 44 W |
| Life Flight/Refuel Heliport | Airport | 20 | Fort Bend | 29 34 11 N | 095 26 16 W |
| Lindale Assembly of God Church | Church | 20 | Harris | 29 48 49 N | 095 23 36 W |
| Little York Church of God in Christ | Church | 20 | Harris | 29 52 16 N | 095 18 11 W |
| Llano Grande Lake | Lake | 20 | Hidalgo | 26 07 04 N | 097 57 58 W |
| Long Junior High School | School | 20 | Harris | 29 42 17 N | 095 29 54 W |
| Long Middle School | School | 20 | Harris | 29 42 21 N | 095 29 51 W |
| Longoria Townsite Colonia | Populated Place | 20 | Cameron | 26 04 45 N | 097 51 08 W |
| Los Leones Colonia | Populated Place | 20 | Hidalgo | 26 06 33 N | 097 57 26 W |
| Louis and J Hoyt Subdivision Colonia | Populated Place | 20 | Hidalgo | 26 16 24 N | 097 59 25 W |
| Love Elementary School | School | 20 | Harris | 29 47 40 N | 095 24 31 W |
| Love Park | Park | 20 | Harris | 29 47 34 N | 095 24 29 W |
| Love School | School | 20 | Harris | 29 47 37 N | 095 24 34 W |
| Maria Chavez Windmill | Locale | 20 | Hidalgo | 26 42 57 N | 098 05 29 W |
| Martha Oil Field | Oilfield | 20 | Liberty | 30 04 42 N | 094 54 51 W |
| Matilda | Populated Place | 20 | Jackson | 28 57 34 N | 096 40 46 W |
| Matt Colonia | Populated Place | 20 | Hidalgo | 26 14 54 N | 097 58 31 W |
| McMickin Lake | Lake | 20 | Tyler | 30 47 01 N | 094 09 29 W |
| McRoberts School | School | 20 | Kleberg | 27 31 50 N | 097 52 16 W |
| Memorial Hermann Northwest Hospital | Hospital | 20 | Harris | 29 48 43 N | 095 25 50 W |
| Memorial Middle School | School | 20 | Kleberg | 27 30 31 N | 097 52 40 W |
| Mercedes Alternative Academy | School | 20 | Cameron | 26 08 58 N | 097 54 45 W |
| Mercedes Alternative Academy | School | 20 | Hidalgo | 26 08 58 N | 097 54 45 W |
| Mercedes Early Childhood Center | School | 20 | Hidalgo | 26 08 49 N | 097 55 13 W |
| Mercedes High School | School | 20 | Hidalgo | 26 08 25 N | 097 54 33 W |
| Mercedes Memorial Library | Building | 20 | Hidalgo | 26 08 55 N | 097 54 45 W |
| Meyer Field | Airport | 20 | Fort Bend | 29 21 29 N | 095 38 07 W |
| Mile 10 North at Mile 5 West Colonia | Populated Place | 20 | Hidalgo | 26 12 01 N | 097 59 39 W |
| Milne Elementary SPARK Park Trail | Trail | 20 | Harris | 29 39 38 N | 095 30 50 W |
| Mopac Field | Park | 20 | Kleberg | 27 30 48 N | 097 52 35 W |
| Mount Houston School | School | 20 | Harris | 29 53 12 N | 095 17 19 W |
| Mount Olive Missionary Baptist Church | Church | 20 | Harris | 29 53 27 N | 095 19 13 W |
| Mount Pleasant Church | Church | 20 | Fort Bend | 29 31 38 N | 095 37 26 W |
| Mount Salem Church | Church | 20 | Refugio | 28 30 54 N | 097 02 09 W |
| Mount Sinai Missionary Baptist Church | Church | 20 | Harris | 29 53 21 N | 095 19 20 W |
| Nancy Colonia | Populated Place | 20 | Cameron | 26 09 33 N | 097 50 39 W |
| Neal Lake | Lake | 20 | Wharton | 29 06 49 N | 096 01 59 W |
| New Bethlehem Missionary Baptist Church | Church | 20 | Harris | 29 50 37 N | 095 20 34 W |
| New Day Deliverance Holiness Church | Church | 20 | Harris | 29 50 46 N | 095 20 32 W |
| New Fellowship Missionary Baptist Church | Church | 20 | Harris | 29 50 06 N | 095 20 33 W |
| New Jerusalem Missionary Baptist Church | Church | 20 | Harris | 29 51 60 N | 095 18 57 W |
| Newgulf Airport | Airport | 20 | Wharton | 29 16 36 N | 095 53 16 W |
| North Bridge Elementary School | School | 20 | Hidalgo | 26 12 15 N | 097 59 01 W |
| North Houston Church of Christ | Church | 20 | Harris | 29 50 02 N | 095 20 33 W |