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Kilgore, Texas
Inside Kilgore's city limits, shrink-swell clay limits houses without basements on 3% of mapped land, the 4th-highest of 8 cities in Gregg County. A shallow water table limits basements on 37%, the 5th-highest of 8 cities in Gregg County.
That clay share is below Gregg County's 9%. FEMA's flood data list 16 flood losses since 2016 in ZIP code 75662 overlapping the city. Of its 5,213 homes, 61% were built before 1980; the median dates from 1973.
Data as of October 13, 2026 · sources · in Gregg 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 Kilgore
Foundation repair in Kilgore: shrink-swell clay limits slab homes on 3% of Kilgore's mapped land.
About 4,100 of Kilgore's 5,213 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 Kilgore city limits
| Expansive clay (limits slab homes) | 3.4% |
| High water table (limits basements) | 36.7% |
| Septic fields very limited | 86.6% |
| Clay swell (LEP, by area) | 3.2% |
| High-swell land (LEP 6%+) | 5.6% |
| Urban land, not rated | 5.6% |
| Mapped soil | 12,126 acres |
What the numbers mean here
On 37% of Kilgore's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 87% of the land very limited for septic absorption fields.
Drought in Gregg County
100% of Gregg 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 Kilgore. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75662 | 100% | 16 | $962,586 |
Homes in Kilgore
| Housing units | 5,213 |
| Median year built | 1973 |
| Built before 1980 | 61% |
| Built 2000 or later | 19% |
| Owner-occupied | 71% |
| Median value, owner-occupied | $171,600 |
| Single-family detached | 80% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Lakeport | 9 mi | 7% | 38% |
| White Oak | 9 mi | under 1% | 40% |
| New London | 10 mi | 4% | 7% |
| Clarksville City | 10 mi | 9% | 44% |
| Longview | 10 mi | 1% | 30% |
| Overton | 11 mi | under 1% | 9% |
| Warren City | 11 mi | 0% | 35% |
| Gladewater | 11 mi | 2% | 32% |
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