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Whitehouse, Texas
Inside Whitehouse's city limits, shrink-swell clay limits houses without basements on 5% of mapped land, the 2nd-highest of 10 cities in Smith County. A shallow water table limits basements on 24%, the 3rd-highest of 10 cities in Smith County.
That clay share is close to Smith County's 3%. FEMA's flood data list 11 flood losses since 2016 in ZIP code 75791 overlapping the city. Of its 3,229 homes, 23% were built before 1980; the median dates from 1995.
Data as of October 13, 2026 · sources · in Smith 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 Whitehouse
Foundation repair in Whitehouse: shrink-swell clay limits slab homes on 5% of Whitehouse's mapped land.
About 2,600 of Whitehouse's 3,229 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 Whitehouse city limits
| Expansive clay (limits slab homes) | 5.5% |
| High water table (limits basements) | 24.3% |
| Septic fields very limited | 63.5% |
| Clay swell (LEP, by area) | 3.2% |
| High-swell land (LEP 6%+) | 5.3% |
| Mapped soil | 3,570 acres |
What the numbers mean here
On 24% of Whitehouse's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 64% of the land very limited for septic absorption fields.
Drought in Smith County
100% of Smith 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 Whitehouse. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75791 | 100% | 11 | $173,195 |
Homes in Whitehouse
| Housing units | 3,229 |
| Median year built | 1995 |
| Built before 1980 | 23% |
| Built 2000 or later | 37% |
| Owner-occupied | 75% |
| Median value, owner-occupied | $253,800 |
| Single-family detached | 81% |
Nearby cities
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