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Asherton, Texas
Inside Asherton's city limits, shrink-swell clay limits houses without basements on 8% of mapped land, the 2nd-highest of 3 cities in Dimmit County. A shallow water table limits basements on 0%.
That clay share is below Dimmit County's 30%. FEMA's flood data list no flood losses since 2016 in ZIP code 78827 overlapping the city. Of its 396 homes, 45% were built before 1980; the median dates from 1983.
Data as of October 13, 2026 · sources · in Dimmit 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 Asherton
Foundation repair in Asherton: shrink-swell clay limits slab homes on 8% of Asherton's mapped land.
About 300 of Asherton's 396 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 Asherton city limits
| Expansive clay (limits slab homes) | 7.6% |
| High water table (limits basements) | 0.0% |
| Septic fields very limited | 71.7% |
| Clay swell (LEP, by area) | 2.4% |
| High-swell land (LEP 6%+) | 7.6% |
| Mapped soil | 524 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Verick | 36% | n/a |
| Brundage | 28% | n/a |
| Tonio | 10% | n/a |
| Maverick | 10% | n/a |
| Zapata | 4% | n/a |
| Pryor | 3% | n/a |
What the numbers mean here
USDA rates 72% of the land very limited for septic absorption fields.
With shrink-swell clay on 8% and a shallow water table on 0% of the land, the soil survey points to neither problem across most of Asherton; conditions still vary lot by lot.
Drought in Dimmit County
100% of Dimmit 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 Asherton. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 78827 | 100% | 0 | $0 |
Homes in Asherton
| Housing units | 396 |
| Median year built | 1983 |
| Built before 1980 | 45% |
| Built 2000 or later | 34% |
| Owner-occupied | 72% |
| Median value, owner-occupied | $82,400 |
| Single-family detached | 77% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Carrizo Springs | 8 mi | 3% | under 1% |
| Big Wells | 14 mi | 47% | under 1% |
| Crystal City | 17 mi | 37% | under 1% |
| Cotulla | 32 mi | 3% | under 1% |
| Encinal | 37 mi | 0% | 1% |
| Dilley | 39 mi | 3% | 1% |
| Eagle Pass | 47 mi | 41% | 0% |
| Pearsall | 51 mi | 1% | 1% |
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