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Plantersville, Texas
Inside Plantersville's city limits, shrink-swell clay limits houses without basements on 19% of mapped land, the 5th-highest of 6 cities in Grimes County. A shallow water table limits basements on 77%, the 2nd-highest of 6 cities in Grimes County.
That clay share is below Grimes County's 61%. FEMA's flood data list 10 flood losses since 2016 in ZIP code 77363 overlapping the city. Of its 265 homes, 37% were built before 1980; the median dates from 1995.
Data as of October 13, 2026 · sources · in Grimes 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 Plantersville
Foundation repair in Plantersville: shrink-swell clay limits slab homes on 19% of Plantersville's mapped land.
About 200 of Plantersville's 265 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 Plantersville city limits
| Expansive clay (limits slab homes) | 18.7% |
| High water table (limits basements) | 77.4% |
| Septic fields very limited | 82.3% |
| Clay swell (LEP, by area) | 5.9% |
| High-swell land (LEP 6%+) | 31.6% |
| Mapped soil | 1,270 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Depcor | 27% | n/a |
| Fetzer | 19% | n/a |
| Annona | 13% | n/a |
| Frelsburg | 11% | 93% |
| Brenham | 6% | n/a |
| Boy | 5% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 5.9% by land area here, and 32% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 19% of the mapped land.
Clay shrinks as it dries: 78.3% of Grimes County is in drought on the latest map, and 19% of Plantersville's mapped land has shrink-swell clay.
On 77% of Plantersville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 82% of the land very limited for septic absorption fields.
Drought in Grimes County
78.3% of Grimes 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 Plantersville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77363 | over 99% | 10 | $253,985 |
Homes in Plantersville
| Housing units | 265 |
| Median year built | 1995 |
| Built before 1980 | 37% |
| Built 2000 or later | 39% |
| Owner-occupied | 85% |
| Median value, owner-occupied | $223,900 |
| Single-family detached | 66% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Todd Mission | 5 mi | 0% | 94% |
| Montgomery | 11 mi | 81% | 27% |
| Magnolia | 11 mi | 2% | 75% |
| Anderson | 13 mi | 70% | 3% |
| Navasota | 14 mi | 80% | 8% |
| Stagecoach | 17 mi | 11% | 75% |
| Waller | 19 mi | 2% | 59% |
| Prairie View | 19 mi | 2% | 47% |
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