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Cockrell Hill, Texas

Inside Cockrell Hill's city limits, shrink-swell clay limits houses without basements on 5% of mapped land. A shallow water table limits basements on under 1%.

That clay share is below Dallas County's 51%. USDA doesn't rate the 30% of mapped land classed as urban land, so these shares are floors. FEMA's flood data list 3 flood losses since 2016 in ZIP code 75211 overlapping the city. Of its 1,329 homes, 88% were built before 1980; the median dates from 1954.

Data as of October 13, 2026 · sources · in Dallas County

5%

expansive clay: shrink-swell limits slab homes

<1%

high water table: limits basements

3

flood losses since 2016 in 1 overlapping ZIP

88%

of homes built before 1980

Foundation repair in Cockrell Hill

Foundation repair in Cockrell Hill: shrink-swell clay limits slab homes on 5% of Cockrell Hill's mapped land.

About 1,000 of Cockrell Hill's 1,329 homes are detached houses.

Who designs the repairThe ASCE Texas Section's repair guidelines say a Texas-licensed engineer should evaluate the foundation and design the repair (2022 guidelines)
PricesCost guide ranges compared

Soil under Cockrell Hill city limits

Expansive clay (limits slab homes)4.6%
High water table (limits basements)under 0.1%
Septic fields very limited87.1%
Clay swell (LEP, by area)4.4%
High-swell land (LEP 6%+)7.3%
Urban land, not rated29.7%
Mapped soil373 acres
Soil seriesShare hereSeries nationally: expansive clay
Stephen39%n/a
Austin11%93%
Eddy10%0%
Whitewright1%n/a
Friounder 1%n/a
Lewisvilleunder 1%n/a
Dallas CountyCockrell Hill
Cockrell Hill city limits inside Dallas County, shaded by the city's expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count

What the numbers mean here

USDA rates 87% of the land very limited for septic absorption fields.

With shrink-swell clay on 5% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Cockrell Hill; conditions still vary lot by lot.

Drought in Dallas County

100% of Dallas County is in drought (D1 or worse) on the October 13, 2026 map. County detail.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026

Flood losses by ZIP code

FEMA flood records since 2016 in the ZIP codes that overlap Cockrell Hill. ZIP areas reach past city limits.

ZIPShare of city landFlood lossesPaid
75211100%3$13,694

Homes in Cockrell Hill

Housing units1,329
Median year built1954
Built before 198088%
Built 2000 or later7%
Owner-occupied58%
Median value, owner-occupied$189,800
Single-family detached77%

Nearby cities

PlaceDistanceExpansive clayHigh water table
Duncanville 7 mi 31% under 1%
Dallas 8 mi 37% 5%
Highland Park 8 mi 35% under 1%
Grand Prairie 9 mi 58% 2%
University Park 9 mi 33% 0%
Irving 10 mi 65% 10%
DeSoto 10 mi 49% under 1%
Cedar Hill 11 mi 37% 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