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Deport, Texas
Inside Deport's city limits, shrink-swell clay limits houses without basements on 84% of mapped land, the 2nd-highest of 7 cities in Lamar County. A shallow water table limits basements on 10%.
That clay share is above Lamar County's 66%. FEMA's flood data list no flood losses since 2016 in ZIP code 75435 overlapping the city. Of its 464 homes, 72% were built before 1980; the median dates from 1975.
Data as of October 13, 2026 · sources · in Lamar 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 Deport
Foundation repair in Deport: shrink-swell clay limits slab homes on 84% of Deport's mapped land, more than in 91% of Texas cities.
About 300 of Deport's 464 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 Deport city limits
| Expansive clay (limits slab homes) | 84.1% |
| High water table (limits basements) | 9.8% |
| Septic fields very limited | 93.5% |
| Clay swell (LEP, by area) | 7.4% |
| High-swell land (LEP 6%+) | 84.1% |
| Mapped soil | 712 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Leson | 38% | n/a |
| Wilson | 32% | 88% |
| Burleson | 10% | 84% |
| Lassiter | 8% | n/a |
| Houston Black | 3% | 91% |
| Normangee | 1% | 72% |
What the numbers mean here
Clay swell averages a linear extensibility of 7.4% by land area here, and 84% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 84% of the mapped land.
Clay shrinks as it dries: 100% of Lamar County is in drought on the latest map, and 84% of Deport's mapped land has shrink-swell clay.
USDA rates 94% of the land very limited for septic absorption fields.
Drought in Lamar County
100% of Lamar 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 Deport. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75435 | 100% | 0 | $0 |
Homes in Deport
| Housing units | 464 |
| Median year built | 1975 |
| Built before 1980 | 72% |
| Built 2000 or later | 9% |
| Owner-occupied | 67% |
| Median value, owner-occupied | $91,400 |
| Single-family detached | 58% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Bogata | 7 mi | 34% | 25% |
| Detroit | 10 mi | 75% | 36% |
| Blossom | 10 mi | 58% | 57% |
| Sun Valley | 12 mi | 28% | 90% |
| Reno | 13 mi | 63% | 42% |
| Clarksville | 16 mi | 76% | 13% |
| Paris | 16 mi | 66% | 27% |
| Talco | 17 mi | 88% | 2% |
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