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Caddo Mills, Texas
Inside Caddo Mills' city limits, shrink-swell clay limits houses without basements on 88% of mapped land, the highest of 13 cities in Hunt County. A shallow water table limits basements on 29%.
That clay share is above Hunt County's 78%. FEMA's flood data list no flood losses since 2016 in ZIP code 75135 overlapping the city. Of its 1,259 homes, 34% were built before 1980; the median dates from 1997.
Data as of October 13, 2026 · sources · in Hunt 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 Caddo Mills
Foundation repair in Caddo Mills: shrink-swell clay limits slab homes on 88% of Caddo Mills' mapped land, more than in 96% of Texas cities.
About 1,100 of Caddo Mills' 1,259 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 Caddo Mills city limits
| Expansive clay (limits slab homes) | 88.2% |
| High water table (limits basements) | 29.1% |
| Septic fields very limited | 88.4% |
| Clay swell (LEP, by area) | 8.6% |
| High-swell land (LEP 6%+) | 88.2% |
| Mapped soil | 3,826 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 8.6% by land area here, and 88% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 88% of the mapped land.
Clay shrinks as it dries: 100% of Hunt County is in drought on the latest map, and 88% of Caddo Mills' mapped land has shrink-swell clay.
On 29% of Caddo Mills' mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 88% of the land very limited for septic absorption fields.
Drought in Hunt County
100% of Hunt 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 Caddo Mills. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75135 | 99% | 0 | $0 |
Homes in Caddo Mills
| Housing units | 1,259 |
| Median year built | 1997 |
| Built before 1980 | 34% |
| Built 2000 or later | 48% |
| Owner-occupied | 71% |
| Median value, owner-occupied | $299,700 |
| Single-family detached | 88% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Josephine | 5 mi | 84% | under 1% |
| Union Valley | 7 mi | 77% | 35% |
| Royse City | 7 mi | 87% | 4% |
| Nevada | 8 mi | 82% | 0% |
| Greenville | 8 mi | 81% | 10% |
| Farmersville | 11 mi | 66% | under 1% |
| Quinlan | 11 mi | 86% | 39% |
| Fate | 11 mi | 81% | under 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