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Whitesboro, Texas
Inside Whitesboro's city limits, shrink-swell clay limits houses without basements on 56% of mapped land, higher than 63% of Texas cities. A shallow water table limits basements on 0%.
That clay share is close to Grayson County's 60%. FEMA's flood data list no flood losses since 2016 in ZIP code 76273 overlapping the city. Of its 1,692 homes, 56% were built before 1980; the median dates from 1977.
Data as of October 13, 2026 · sources · in Grayson 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 Whitesboro
Foundation repair in Whitesboro: shrink-swell clay limits slab homes on 56% of Whitesboro's mapped land, more than in 63% of Texas cities.
About 1,400 of Whitesboro's 1,692 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 Whitesboro city limits
| Expansive clay (limits slab homes) | 56.5% |
| High water table (limits basements) | 0.0% |
| Septic fields very limited | 82.2% |
| Clay swell (LEP, by area) | 7.0% |
| High-swell land (LEP 6%+) | 56.5% |
| Urban land, not rated | 7.9% |
| Mapped soil | 2,139 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 7.0% by land area here, and 56% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 56% of the mapped land.
Clay shrinks as it dries: 100% of Grayson County is in drought on the latest map, and 56% of Whitesboro's mapped land has shrink-swell clay.
USDA rates 82% of the land very limited for septic absorption fields.
Drought in Grayson County
100% of Grayson 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 Whitesboro. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76273 | 100% | 0 | $0 |
Homes in Whitesboro
| Housing units | 1,692 |
| Median year built | 1977 |
| Built before 1980 | 56% |
| Built 2000 or later | 21% |
| Owner-occupied | 56% |
| Median value, owner-occupied | $249,800 |
| Single-family detached | 82% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Sadler | 4 mi | 70% | 0% |
| Collinsville | 7 mi | 40% | 0% |
| Callisburg | 7 mi | 34% | 0% |
| Oak Ridge | 8 mi | 9% | 3% |
| Southmayd | 11 mi | 82% | 3% |
| Tioga | 13 mi | 74% | 0% |
| Gainesville | 14 mi | 76% | 0% |
| Dorchester | 15 mi | 73% | 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