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Joshua, Texas
Inside Joshua's city limits, shrink-swell clay limits houses without basements on 46% of mapped land, higher than 53% of Texas cities. A shallow water table limits basements on 16%, the 3rd-highest of 13 cities in Johnson County.
That clay share is below Johnson County's 51%. FEMA's flood data list 3 flood losses since 2016 in ZIP code 76058 overlapping the city. Of its 3,448 homes, 16% were built before 1980; the median dates from 1997.
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 Joshua
Foundation repair in Joshua: shrink-swell clay limits slab homes on 46% of Joshua's mapped land, more than in 53% of Texas cities.
About 2,400 of Joshua's 3,448 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 Joshua city limits
| Expansive clay (limits slab homes) | 45.6% |
| High water table (limits basements) | 16.1% |
| Septic fields very limited | 62.8% |
| Clay swell (LEP, by area) | 6.3% |
| High-swell land (LEP 6%+) | 58.7% |
| Mapped soil | 5,722 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 6.3% by land area here, and 59% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 46% of the mapped land.
Clay shrinks as it dries: 100% of Johnson County is in drought on the latest map, and 46% of Joshua's mapped land has shrink-swell clay.
On 16% of Joshua's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 63% of the land very limited for septic absorption fields.
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 Joshua. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76058 | over 99% | 3 | $22,045 |
Homes in Joshua
| Housing units | 3,448 |
| Median year built | 1997 |
| Built before 1980 | 16% |
| Built 2000 or later | 45% |
| Owner-occupied | 63% |
| Median value, owner-occupied | $338,100 |
| Single-family detached | 69% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Cross Timber | 4 mi | 20% | 25% |
| Burleson | 5 mi | 61% | 7% |
| Briaroaks | 5 mi | 44% | 19% |
| Keene | 6 mi | 42% | 16% |
| Cleburne | 7 mi | 52% | 3% |
| Crowley | 8 mi | 51% | 0% |
| Godley | 9 mi | 49% | 0% |
| Coyote Flats | 9 mi | 78% | 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