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Coldspring, Texas
Inside Coldspring's city limits, shrink-swell clay limits houses without basements on 2% of mapped land, the 3rd-highest of 3 cities in San Jacinto County. A shallow water table limits basements on 5%, the 3rd-highest of 3 cities in San Jacinto County.
That clay share is below San Jacinto County's 16%. FEMA's flood data list 69 flood losses since 2016 in ZIP code 77331 overlapping the city. Of its 540 homes, 41% were built before 1980; the median dates from 1990.
Data as of October 13, 2026 · sources · in San Jacinto 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 Coldspring
Foundation repair in Coldspring: shrink-swell clay limits slab homes on 2% of Coldspring's mapped land.
About 300 of Coldspring's 540 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 Coldspring city limits
| Expansive clay (limits slab homes) | 2.3% |
| High water table (limits basements) | 5.4% |
| Septic fields very limited | 67.5% |
| Clay swell (LEP, by area) | 1.7% |
| High-swell land (LEP 6%+) | 2.3% |
| Mapped soil | 1,190 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Pinetucky | 62% | n/a |
| Doucette | 15% | n/a |
| Boykin | 5% | n/a |
| Bonwier | 5% | n/a |
| Woodville | 4% | n/a |
| Dallardsville | 3% | n/a |
What the numbers mean here
USDA rates 67% of the land very limited for septic absorption fields.
With shrink-swell clay on 2% and a shallow water table on 5% of the land, the soil survey points to neither problem across most of Coldspring; conditions still vary lot by lot.
Drought in San Jacinto County
92.7% of San Jacinto 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 Coldspring. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77331 | 100% | 69 | $2.7 million |
Homes in Coldspring
| Housing units | 540 |
| Median year built | 1990 |
| Built before 1980 | 41% |
| Built 2000 or later | 34% |
| Owner-occupied | 51% |
| Median value, owner-occupied | $216,800 |
| Single-family detached | 55% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Shepherd | 10 mi | 7% | 50% |
| Goodrich | 11 mi | 71% | 54% |
| Point Blank | 12 mi | 63% | 67% |
| Livingston | 14 mi | 55% | 44% |
| North Cleveland | 16 mi | 14% | 31% |
| Onalaska | 16 mi | 15% | 46% |
| Cleveland | 18 mi | 1% | 74% |
| New Waverly | 21 mi | 43% | 53% |
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