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Runaway Bay, Texas
Inside Runaway Bay's city limits, shrink-swell clay limits houses without basements on 14% of mapped land. A shallow water table limits basements on under 1%.
That clay share is below Wise County's 21%. FEMA's flood data list 10 flood losses since 2016 in ZIP code 76426 overlapping the city. Of its 857 homes, 34% were built before 1980; the median dates from 1989.
Data as of October 13, 2026 · sources · in Wise 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 Runaway Bay
Foundation repair in Runaway Bay: shrink-swell clay limits slab homes on 14% of Runaway Bay's mapped land.
About 700 of Runaway Bay's 857 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 Runaway Bay city limits
| Expansive clay (limits slab homes) | 14.3% |
| High water table (limits basements) | 0.1% |
| Septic fields very limited | 31.6% |
| Clay swell (LEP, by area) | 4.7% |
| High-swell land (LEP 6%+) | 6.5% |
| Mapped soil | 4,348 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Truce | 8% | 47% |
| Bonti | 5% | n/a |
| Exray | 4% | n/a |
| Hensley | 4% | n/a |
| Thurber | 4% | n/a |
| Owens | 4% | n/a |
What the numbers mean here
With shrink-swell clay on 14% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Runaway Bay; conditions still vary lot by lot.
Drought in Wise County
100% of Wise 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 Runaway Bay. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76426 | 100% | 10 | $1.0 million |
Homes in Runaway Bay
| Housing units | 857 |
| Median year built | 1989 |
| Built before 1980 | 34% |
| Built 2000 or later | 34% |
| Owner-occupied | 85% |
| Median value, owner-occupied | $307,600 |
| Single-family detached | 82% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Lake Bridgeport | 2 mi | 1% | 0% |
| Bridgeport | 5 mi | 38% | 12% |
| Chico | 8 mi | 7% | 26% |
| Paradise | 10 mi | 22% | 22% |
| Alvord | 15 mi | 13% | 10% |
| Decatur | 16 mi | 18% | under 1% |
| Jacksboro | 18 mi | 9% | under 1% |
| Springtown | 18 mi | 33% | 28% |
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