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Cross Timber, Texas
Inside Cross Timber's city limits, shrink-swell clay limits houses without basements on 20% of mapped land. A shallow water table limits basements on 25%, the highest of 13 cities in Johnson County.
That clay share is below Johnson County's 51%. FEMA's flood data list 20 flood losses since 2016 in ZIP code 76028 overlapping the city. Of its 290 homes, 26% were built before 1980; the median dates from 2004.
Data as of October 13, 2026 · sources · in Johnson 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 Cross Timber
Foundation repair in Cross Timber: shrink-swell clay limits slab homes on 20% of Cross Timber's mapped land.
About 100 of Cross Timber's 290 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 Cross Timber city limits
| Expansive clay (limits slab homes) | 20.2% |
| High water table (limits basements) | 25.3% |
| Septic fields very limited | 47.1% |
| Clay swell (LEP, by area) | 4.5% |
| High-swell land (LEP 6%+) | 37.4% |
| Mapped soil | 983 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.5% by land area here, and 37% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 20% of the mapped land.
Clay shrinks as it dries: 100% of Johnson County is in drought on the latest map, and 20% of Cross Timber's mapped land has shrink-swell clay.
On 25% of Cross Timber's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Drought in Johnson County
100% of Johnson 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 Cross Timber. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76028 | 100% | 20 | $576,706 |
Homes in Cross Timber
| Housing units | 290 |
| Median year built | 2004 |
| Built before 1980 | 26% |
| Built 2000 or later | 65% |
| Owner-occupied | 81% |
| Single-family detached | 47% |
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