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Greenville, Texas
Inside Greenville's city limits, shrink-swell clay limits houses without basements on 81% of mapped land, higher than 87% of Texas cities. A shallow water table limits basements on 10%.
That clay share is close to Hunt County's 78%. FEMA's flood data list 14 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 13,090 homes, 53% were built before 1980; the median dates from 1979.
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 2 overlapping ZIPs
of homes built before 1980
Foundation repair in Greenville
Foundation repair in Greenville: shrink-swell clay limits slab homes on 81% of Greenville's mapped land, more than in 87% of Texas cities.
The city lists a permit for the work.
About 9,300 of Greenville's 13,090 homes are detached houses.
| City permit | Greenville's Repair Permit Application lists Roofing or Foundation as a permit type. (City of Greenville, Building Inspections, read October 2, 2026) |
| 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 Greenville city limits
| Expansive clay (limits slab homes) | 80.8% |
| High water table (limits basements) | 10.1% |
| Septic fields very limited | 90.8% |
| Clay swell (LEP, by area) | 8.9% |
| High-swell land (LEP 6%+) | 80.8% |
| Urban land, not rated | 8.7% |
| Mapped soil | 21,171 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Leson | 33% | n/a |
| Crockett | 19% | 94% |
| Kaufman | 10% | n/a |
| Wilson | 10% | 88% |
| Heiden | 4% | 80% |
| Houston Black | 2% | 91% |
What the numbers mean here
Clay swell averages a linear extensibility of 8.9% by land area here, and 81% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 81% of the mapped land.
Clay shrinks as it dries: 100% of Hunt County is in drought on the latest map, and 81% of Greenville's mapped land has shrink-swell clay.
USDA rates 91% 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 Greenville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75402 | 66% | 7 | $95,338 |
| 75401 | 34% | 7 | $397,403 |
Homes in Greenville
| Housing units | 13,090 |
| Median year built | 1979 |
| Built before 1980 | 53% |
| Built 2000 or later | 23% |
| Owner-occupied | 53% |
| Median value, owner-occupied | $219,400 |
| Single-family detached | 71% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Neylandville | 8 mi | 87% | 32% |
| Caddo Mills | 8 mi | 88% | 29% |
| Campbell | 9 mi | 53% | 46% |
| Josephine | 12 mi | 84% | under 1% |
| Lone Oak | 13 mi | 87% | 14% |
| Celeste | 13 mi | 84% | under 1% |
| Union Valley | 14 mi | 77% | 35% |
| Quinlan | 14 mi | 86% | 39% |
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