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Fairborn, Ohio
Inside Fairborn's city limits, a shallow water table limits basements on 32% of mapped land. Shrink-swell clay limits houses without basements on 2%.
That water-table share is below Greene County's 68%. FEMA's flood data list 1 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 17,063 homes, 61% were built before 1980; the median dates from 1970.
Data as of November 3, 2026 · sources · in Greene County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 2 overlapping ZIPs
of homes built before 1980
Basement waterproofing in Fairborn
Basement waterproofing in Fairborn: a shallow water table limits basements on 32% of Fairborn's mapped land, and the 2 ZIP codes overlapping Fairborn logged 1 FEMA flood losses since 2016.
About 9,500 of Fairborn's 17,063 homes are detached houses.
Soil under Fairborn city limits
| Expansive clay (limits slab homes) | 2.1% |
| High water table (limits basements) | 31.6% |
| Septic fields very limited | 64.2% |
| Clay swell (LEP, by area) | 4.4% |
| High-swell land (LEP 6%+) | 0.1% |
| Urban land, not rated | 10.5% |
| Mapped soil | 9,331 acres |
What the numbers mean here
On 32% of Fairborn's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 64% of the land very limited for septic absorption fields.
Fairborn covers 14.6 square miles of land and counts 17,063 housing units, about 1,171 per square mile.
51% of Fairborn's occupied homes are owner-occupied, and the median owner-occupied home is valued at $175,000; 17% of all homes in the city date from 2000 or later.
The largest soil series under Fairborn is Miamian, on 25% of the mapped land, followed by Sloan at 6%.
Clay swell, measured as linear extensibility, averages 4.4% across Fairborn's 9,331 mapped acres.
Drought in Greene County
0% of Greene 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 Fairborn. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45324 | 92% | 1 | $0 |
| 45435 | 1% | 0 | $0 |
Homes in Fairborn
| Housing units | 17,063 |
| Median year built | 1970 |
| Built before 1980 | 61% |
| Built 2000 or later | 17% |
| Owner-occupied | 51% |
| Median value, owner-occupied | $175,000 |
| Single-family detached | 56% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Beavercreek | 5 mi | 4% | 60% |
| Enon | 6 mi | 8% | 39% |
| Yellow Springs | 6 mi | 7% | 66% |
| Riverside | 6 mi | 3% | 32% |
| Huber Heights | 7 mi | 14% | 67% |
| Donnelsville | 9 mi | 3% | 74% |
| Xenia | 9 mi | 1% | 28% |
| Clifton | 10 mi | 16% | 57% |
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