Iraan, Texas
Inside Iraan's city limits, shrink-swell clay limits houses without basements on 3% of mapped land. A shallow water table limits basements on 0%.
That clay share is close to Pecos County's 8%. FEMA's flood data list no flood losses since 2016 in ZIP code 79744 overlapping the city. Of its 515 homes, 54% were built before 1980; the median dates from 1969.
Data as of October 13, 2026 · sources · in Pecos 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 Iraan
Foundation repair in Iraan: shrink-swell clay limits slab homes on 3% of Iraan's mapped land.
About 300 of Iraan's 515 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 Iraan city limits
| Expansive clay (limits slab homes) | 3.4% |
| High water table (limits basements) | 0.0% |
| Septic fields very limited | 21.1% |
| Clay swell (LEP, by area) | 3.3% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 394 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Reagan | 32% | n/a |
| Hodgins | 15% | n/a |
| Sanderson | 15% | n/a |
| Upton | 10% | n/a |
| Ector | 6% | 0% |
| Iraan | 3% | n/a |
What the numbers mean here
With shrink-swell clay on 3% and a shallow water table on 0% of the land, the soil survey points to neither problem across most of Iraan; conditions still vary lot by lot.
Drought in Pecos County
12.5% of Pecos 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 Iraan. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79744 | 100% | 0 | $0 |
Homes in Iraan
| Housing units | 515 |
| Median year built | 1969 |
| Built before 1980 | 54% |
| Built 2000 or later | 43% |
| Owner-occupied | 74% |
| Median value, owner-occupied | $94,700 |
| Single-family detached | 66% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Rankin | 22 mi | 4% | 0% |
| McCamey | 24 mi | 0% | 0% |
| Big Lake | 33 mi | 4% | under 1% |
| Crane | 42 mi | 0% | 0% |
| Fort Stockton | 58 mi | 1% | under 1% |
| Grandfalls | 64 mi | 0% | 0% |
| Mertzon | 68 mi | 15% | 0% |
| Odessa | 72 mi | 1% | 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