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Pine Island, Texas
Inside Pine Island's city limits, shrink-swell clay limits houses without basements on 13% of mapped land, the 3rd-highest of 7 cities in Waller County. A shallow water table limits basements on 30%, the 4th-highest of 7 cities in Waller County.
That clay share is below Waller County's 24%. FEMA's flood data list 43 flood losses since 2016 in ZIP code 77445 overlapping the city. Of its 518 homes, 30% were built before 1980; the median dates from 1996.
Data as of October 13, 2026 · sources · in Waller 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 Pine Island
Foundation repair in Pine Island: shrink-swell clay limits slab homes on 13% of Pine Island's mapped land.
About 300 of Pine Island's 518 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 Pine Island city limits
| Expansive clay (limits slab homes) | 12.8% |
| High water table (limits basements) | 30.1% |
| Septic fields very limited | 85.6% |
| Clay swell (LEP, by area) | 3.5% |
| High-swell land (LEP 6%+) | 14.1% |
| Mapped soil | 5,993 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Wockley | 19% | n/a |
| Monaville | 19% | n/a |
| Hockley | 19% | n/a |
| Nahatche | 6% | n/a |
| Tabor | 5% | n/a |
| Kenney | 5% | n/a |
What the numbers mean here
On 30% of Pine Island's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 86% of the land very limited for septic absorption fields.
Drought in Waller County
18.5% of Waller 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 Pine Island. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77445 | 100% | 43 | $1.9 million |
Homes in Pine Island
| Housing units | 518 |
| Median year built | 1996 |
| Built before 1980 | 30% |
| Built 2000 or later | 44% |
| Owner-occupied | 77% |
| Median value, owner-occupied | $353,300 |
| Single-family detached | 58% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Prairie View | 3 mi | 2% | 47% |
| Hempstead | 4 mi | 49% | 39% |
| Waller | 6 mi | 2% | 59% |
| Bellville | 16 mi | 45% | 26% |
| Pattison | 17 mi | 17% | 26% |
| San Felipe | 19 mi | 56% | 36% |
| Todd Mission | 19 mi | 0% | 94% |
| Brookshire | 19 mi | 2% | 18% |
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