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Sundown, Texas
Inside Sundown's city limits, shrink-swell clay limits houses without basements on 1% of mapped land. A shallow water table limits basements on under 1%.
That clay share is below Hockley County's 7%. FEMA's flood data list 4 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 543 homes, 35% were built before 1980; the median dates from 1986.
Data as of October 13, 2026 · sources · in Hockley County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 2 overlapping ZIPs
of homes built before 1980
Foundation repair in Sundown
Foundation repair in Sundown: shrink-swell clay limits slab homes on 1% of Sundown's mapped land.
About 300 of Sundown's 543 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 Sundown city limits
| Expansive clay (limits slab homes) | 0.6% |
| High water table (limits basements) | 0.5% |
| Septic fields very limited | 6.0% |
| Clay swell (LEP, by area) | 3.1% |
| High-swell land (LEP 6%+) | 0.5% |
| Mapped soil | 973 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Amarillo | 66% | 0% |
| Posey | 11% | n/a |
| Portales | 8% | n/a |
| Arvana | 3% | n/a |
| Patricia | 3% | n/a |
| Midessa | 2% | n/a |
What the numbers mean here
With shrink-swell clay on 1% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Sundown; conditions still vary lot by lot.
Drought in Hockley County
0% of Hockley 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 Sundown. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79372 | 87% | 0 | $0 |
| 79336 | 14% | 4 | $0 |
Homes in Sundown
| Housing units | 543 |
| Median year built | 1986 |
| Built before 1980 | 35% |
| Built 2000 or later | 19% |
| Owner-occupied | 74% |
| Median value, owner-occupied | $96,400 |
| Single-family detached | 55% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Levelland | 11 mi | 3% | 2% |
| Whiteface | 12 mi | 0% | 0% |
| Opdyke West | 14 mi | 8% | under 1% |
| Meadow | 18 mi | 1% | under 1% |
| Ropesville | 20 mi | 1% | 0% |
| Smyer | 21 mi | 5% | 1% |
| Brownfield | 23 mi | 0% | under 1% |
| Morton | 24 mi | 0% | 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