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Lorenzo, Texas
Inside Lorenzo's city limits, shrink-swell clay limits houses without basements on 94% of mapped land, the 2nd-highest of 3 cities in Crosby County. A shallow water table limits basements on 3%, the highest of 3 cities in Crosby County.
That clay share is above Crosby County's 54%. FEMA's flood data list no flood losses since 2016 in ZIP code 79343 overlapping the city. Of its 401 homes, 88% were built before 1980; the median dates from 1966.
Data as of October 13, 2026 · sources · in Crosby 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 Lorenzo
Foundation repair in Lorenzo: shrink-swell clay limits slab homes on 94% of Lorenzo's mapped land, more than in 98% of Texas cities.
About 300 of Lorenzo's 401 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 Lorenzo city limits
| Expansive clay (limits slab homes) | 93.8% |
| High water table (limits basements) | 2.5% |
| Septic fields very limited | 91.0% |
| Clay swell (LEP, by area) | 6.2% |
| High-swell land (LEP 6%+) | 91.0% |
| Mapped soil | 610 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 6.2% by land area here, and 91% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 94% of the mapped land.
Clay shrinks as it dries: 100% of Crosby County is in drought on the latest map, and 94% of Lorenzo's mapped land has shrink-swell clay.
USDA rates 91% of the land very limited for septic absorption fields.
Drought in Crosby County
100% of Crosby 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 Lorenzo. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79343 | 100% | 0 | $0 |
Homes in Lorenzo
| Housing units | 401 |
| Median year built | 1966 |
| Built before 1980 | 88% |
| Built 2000 or later | 7% |
| Owner-occupied | 79% |
| Median value, owner-occupied | $100,800 |
| Single-family detached | 78% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Idalou | 9 mi | 34% | 2% |
| Ralls | 9 mi | 98% | 2% |
| Ransom Canyon | 13 mi | 8% | 1% |
| Buffalo Springs Lake | 13 mi | 2% | 0% |
| Petersburg | 14 mi | 95% | 1% |
| Slaton | 17 mi | 8% | 2% |
| Crosbyton | 17 mi | 90% | 2% |
| New Deal | 18 mi | 79% | 5% |
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