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Combine, Texas
Inside Combine's city limits, shrink-swell clay limits houses without basements on 51% of mapped land, higher than 58% of Texas cities. A shallow water table limits basements on 15%, the 4th-highest of 15 cities in Kaufman County.
That clay share is below Kaufman County's 73%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 75159 overlapping the city. Of its 874 homes, 21% were built before 1980; the median dates from 1990.
Data as of October 13, 2026 · sources · in Kaufman 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 Combine
Foundation repair in Combine: shrink-swell clay limits slab homes on 51% of Combine's mapped land, more than in 58% of Texas cities.
About 600 of Combine's 874 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 Combine city limits
| Expansive clay (limits slab homes) | 51.4% |
| High water table (limits basements) | 14.6% |
| Septic fields very limited | 82.6% |
| Clay swell (LEP, by area) | 6.9% |
| High-swell land (LEP 6%+) | 54.3% |
| Mapped soil | 4,825 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Konawa | 15% | n/a |
| Axtell | 9% | 89% |
| Burleson | 8% | 84% |
| Wilson | 8% | 88% |
| Trinity | 6% | n/a |
| Houston Black | 5% | 91% |
What the numbers mean here
Clay swell averages a linear extensibility of 6.9% by land area here, and 54% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 51% of the mapped land.
Clay shrinks as it dries: 100% of Kaufman County is in drought on the latest map, and 51% of Combine's mapped land has shrink-swell clay.
USDA rates 83% of the land very limited for septic absorption fields.
Drought in Kaufman County
100% of Kaufman 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 Combine. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75159 | 100% | 1 | $0 |
Homes in Combine
| Housing units | 874 |
| Median year built | 1990 |
| Built before 1980 | 21% |
| Built 2000 or later | 36% |
| Owner-occupied | 91% |
| Median value, owner-occupied | $323,800 |
| Single-family detached | 72% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Seagoville | 5 mi | 74% | 12% |
| Crandall | 6 mi | 83% | 2% |
| Scurry | 9 mi | 78% | 10% |
| Wilmer | 10 mi | 72% | 2% |
| Rosser | 10 mi | 45% | 43% |
| Talty | 10 mi | 83% | 2% |
| Ferris | 10 mi | 81% | under 1% |
| Balch Springs | 10 mi | 45% | 34% |
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