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Fulshear, Texas
Inside Fulshear's city limits, shrink-swell clay limits houses without basements on 17% of mapped land. A shallow water table limits basements on 27%.
That clay share is below Fort Bend County's 64%. FEMA's flood data list 937 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 10,121 homes, 3% were built before 1980; the median dates from 2016.
Data as of October 13, 2026 · sources · in Fort Bend 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
Foundation repair in Fulshear
Foundation repair in Fulshear: shrink-swell clay limits slab homes on 17% of Fulshear's mapped land.
About 9,400 of Fulshear's 10,121 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 Fulshear city limits
| Expansive clay (limits slab homes) | 17.2% |
| High water table (limits basements) | 26.9% |
| Septic fields very limited | 83.4% |
| Clay swell (LEP, by area) | 6.5% |
| High-swell land (LEP 6%+) | 31.2% |
| Urban land, not rated | 10.2% |
| Mapped soil | 8,243 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Katy | 37% | 0% |
| Cyfair | 12% | n/a |
| Brazoria | 11% | n/a |
| Norwood | 5% | n/a |
| Belk | 5% | n/a |
| Kenney | 3% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 6.5% by land area here, and 31% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 17% of the mapped land.
Clay shrinks as it dries: 83.3% of Fort Bend County is in drought on the latest map, and 17% of Fulshear's mapped land has shrink-swell clay.
On 27% of Fulshear's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 83% of the land very limited for septic absorption fields.
Drought in Fort Bend County
83.3% of Fort Bend 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 Fulshear. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77441 | 77% | 90 | $8.9 million |
| 77406 | 23% | 847 | $64.3 million |
Homes in Fulshear
| Housing units | 10,121 |
| Median year built | 2016 |
| Built before 1980 | 3% |
| Built 2000 or later | 96% |
| Owner-occupied | 90% |
| Median value, owner-occupied | $572,700 |
| Single-family detached | 92% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Weston Lakes | 4 mi | 32% | 6% |
| Simonton | 5 mi | 41% | 2% |
| Katy | 7 mi | 8% | 26% |
| Brookshire | 7 mi | 2% | 18% |
| Orchard | 8 mi | 37% | 69% |
| Brazos Country | 10 mi | 15% | 21% |
| Pattison | 10 mi | 17% | 26% |
| Rosenberg | 11 mi | 77% | 64% |
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