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Gun Barrel City, Texas
Inside Gun Barrel City's city limits, shrink-swell clay limits houses without basements on 69% of mapped land, the 4th-highest of 19 cities in Henderson County. A shallow water table limits basements on 22%.
That clay share is above Henderson County's 25%. FEMA's flood data list 9 flood losses since 2016 in ZIP code 75156 overlapping the city. Of its 3,346 homes, 32% were built before 1980; the median dates from 1989.
Data as of October 13, 2026 · sources · in Henderson County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Foundation repair in Gun Barrel City
Foundation repair in Gun Barrel City: shrink-swell clay limits slab homes on 69% of Gun Barrel City's mapped land, more than in 73% of Texas cities.
About 2,400 of Gun Barrel City's 3,346 homes are detached houses.
| Who designs the repair | The ASCE Texas Section's repair guidelines say a Texas-licensed engineer should evaluate the foundation and design the repair (2022 guidelines) |
| Prices | Cost guide ranges compared |
Soil under Gun Barrel City city limits
| Expansive clay (limits slab homes) | 68.8% |
| High water table (limits basements) | 22.2% |
| Septic fields very limited | 78.5% |
| Clay swell (LEP, by area) | 7.6% |
| High-swell land (LEP 6%+) | 74.5% |
| Mapped soil | 4,251 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 7.6% by land area here, and 74% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 69% of the mapped land.
Clay shrinks as it dries: 100% of Henderson County is in drought on the latest map, and 69% of Gun Barrel City's mapped land has shrink-swell clay.
On 22% of Gun Barrel City's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 78% of the land very limited for septic absorption fields.
Drought in Henderson County
100% of Henderson County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Gun Barrel City. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75156 | 98% | 9 | $61,885 |
Homes in Gun Barrel City
| Housing units | 3,346 |
| Median year built | 1989 |
| Built before 1980 | 32% |
| Built 2000 or later | 35% |
| Owner-occupied | 91% |
| Median value, owner-occupied | $237,300 |
| Single-family detached | 73% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Mabank | 3 mi | 73% | 13% |
| Tool | 4 mi | 66% | 37% |
| Seven Points | 4 mi | 71% | 47% |
| Enchanted Oaks | 4 mi | 81% | 10% |
| Payne Springs | 5 mi | 69% | 47% |
| Eustace | 7 mi | 68% | 40% |
| Kemp | 9 mi | 84% | 4% |
| Log Cabin | 10 mi | 78% | 13% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status