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Oak Ridge (Kaufman County), Texas

Inside Oak Ridge's city limits, shrink-swell clay limits houses without basements on 84% of mapped land, the 2nd-highest of 15 cities in Kaufman County. A shallow water table limits basements on 7%.

That clay share is above Kaufman County's 73%. FEMA's flood data list 9 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 306 homes, 38% were built before 1980; the median dates from 2003.

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

84%

expansive clay: shrink-swell limits slab homes

7%

high water table: limits basements

9

flood losses since 2016 in 2 overlapping ZIPs

38%

of homes built before 1980

Foundation repair in Oak Ridge (Kaufman County)

Foundation repair in Oak Ridge (Kaufman County): shrink-swell clay limits slab homes on 84% of Oak Ridge (Kaufman County)'s mapped land, more than in 92% of Texas cities.

About 300 of Oak Ridge (Kaufman County)'s 306 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 Oak Ridge city limits

Expansive clay (limits slab homes)84.3%
High water table (limits basements)7.1%
Septic fields very limited92.5%
Clay swell (LEP, by area)8.3%
High-swell land (LEP 6%+)84.3%
Mapped soil2,341 acres
Soil seriesShare hereSeries nationally: expansive clay
Wilson36%88%
Mabank21%n/a
Ferris9%n/a
Gowen8%n/a
Crockett8%94%
Burleson6%84%
Kaufman CountyOak Ridge
Oak Ridge city limits inside Kaufman 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

Clay swell averages a linear extensibility of 8.3% 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 Kaufman County is in drought on the latest map, and 84% of Oak Ridge's mapped land has shrink-swell clay.

USDA rates 92% of the land very limited for septic absorption fields.

Drought in Kaufman County

100% of Kaufman 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 Oak Ridge. ZIP areas reach past city limits.

ZIPShare of city landFlood lossesPaid
7514270%8$518,684
7516130%1$29,400

Homes in Oak Ridge

Housing units306
Median year built2003
Built before 198038%
Built 2000 or later53%
Owner-occupied90%
Median value, owner-occupied$335,500
Single-family detached95%

Nearby cities

PlaceDistanceExpansive clayHigh water table
Post Oak Bend 3 mi 76% 13%
Kaufman 4 mi 79% 10%
Oak Grove 7 mi 85% 1%
Terrell 8 mi 81% 12%
Talty 9 mi 83% 2%
Crandall 9 mi 83% 2%
Scurry 10 mi 78% 10%
Grays Prairie 11 mi 74% 21%

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