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Irving, Texas
Inside Irving's city limits, shrink-swell clay limits houses without basements on 65% of mapped land, higher than 70% of Texas cities. A shallow water table limits basements on 10%, the 4th-highest of 24 cities in Dallas County.
That clay share is above Dallas County's 51%. FEMA's flood data list 38 flood losses since 2016 in the 6 ZIP codes overlapping the city. Of its 102,512 homes, 36% were built before 1980; the median dates from 1986.
Data as of November 3, 2026 · sources · in Dallas County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 6 overlapping ZIPs
of homes built before 1980
Foundation repair in Irving
Foundation repair in Irving: shrink-swell clay limits slab homes on 65% of Irving's mapped land, more than in 70% of Texas cities.
About 40,000 of Irving's 102,512 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 Irving city limits
| Expansive clay (limits slab homes) | 65.4% |
| High water table (limits basements) | 10.5% |
| Septic fields very limited | 85.9% |
| Clay swell (LEP, by area) | 10.8% |
| High-swell land (LEP 6%+) | 63.0% |
| Urban land, not rated | 11.0% |
| Mapped soil | 43,535 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Heiden | 15% | 80% |
| Ferris | 12% | n/a |
| Houston Black | 7% | 91% |
| Rader | 7% | 30% |
| Trinity | 7% | n/a |
| Axtell | 5% | 89% |
What the numbers mean here
Clay swell averages a linear extensibility of 10.8% by land area here, and 63% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 65% of the mapped land.
Clay shrinks as it dries: 100% of Dallas County is in drought on the latest map, and 65% of Irving's mapped land has shrink-swell clay.
USDA rates 86% of the land very limited for septic absorption fields.
Irving covers 67.0 square miles of land and counts 102,512 housing units, about 1,530 per square mile.
38% of Irving's occupied homes are owner-occupied, and the median owner-occupied home is valued at $315,600; 28% of all homes in the city date from 2000 or later.
The largest soil series under Irving is Heiden, on 15% of the mapped land, followed by Ferris at 12%.
USDA's soil survey maps 43,535 acres inside Irving's city limits.
Drought in Dallas County
100% of Dallas County is in drought (D1 or worse) on the November 3, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Irving. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75063 | 29% | 1 | $0 |
| 75060 | 18% | 16 | $118,582 |
| 75061 | 17% | 16 | $1.1 million |
| 75062 | 16% | 2 | $12,315 |
| 75038 | 11% | 3 | $70,903 |
| 75039 | 8% | 0 | $0 |
Homes in Irving
| Housing units | 102,512 |
| Median year built | 1986 |
| Built before 1980 | 36% |
| Built 2000 or later | 28% |
| Owner-occupied | 38% |
| Median value, owner-occupied | $315,600 |
| Single-family detached | 39% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Euless | 6 mi | 37% | 9% |
| Farmers Branch | 7 mi | 45% | 3% |
| Coppell | 7 mi | 58% | 11% |
| Grapevine | 8 mi | 41% | 7% |
| Cockrell Hill | 10 mi | 5% | under 1% |
| Bedford | 10 mi | 37% | 16% |
| Highland Park | 10 mi | 35% | under 1% |
| Carrollton | 10 mi | 65% | 8% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (November 3, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status