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Southside Place, Texas
Inside Southside Place's city limits, shrink-swell clay limits houses without basements on 63% of mapped land, the 4th-highest of 27 cities in Harris County. A shallow water table limits basements on 57%, the 5th-highest of 27 cities in Harris County.
That clay share is above Harris County's 25%. USDA doesn't rate the 34% of mapped land classed as urban land, so these shares are floors. FEMA's flood data list 1,692 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 767 homes, 12% were built before 1980; the median dates from 2011.
Data as of October 13, 2026 · sources · in Harris 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 Southside Place
Foundation repair in Southside Place: shrink-swell clay limits slab homes on 63% of Southside Place's mapped land, more than in 68% of Texas cities.
About 400 of Southside Place's 767 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 Southside Place city limits
| Expansive clay (limits slab homes) | 63.2% |
| High water table (limits basements) | 57.2% |
| Septic fields very limited | 69.0% |
| Clay swell (LEP, by area) | 8.3% |
| High-swell land (LEP 6%+) | 63.2% |
| Urban land, not rated | 34.4% |
| Mapped soil | 155 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Bacliff | 53% | n/a |
| Verland | 8% | n/a |
| Bernard | 2% | 43% |
| Aris | 2% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 8.3% by land area here, and 63% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 63% of the mapped land.
Clay shrinks as it dries: 82.9% of Harris County is in drought on the latest map, and 63% of Southside Place's mapped land has shrink-swell clay.
On 57% of Southside Place's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 69% of the land very limited for septic absorption fields.
Drought in Harris County
82.9% of Harris 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 Southside Place. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77005 | 67% | 248 | $10.0 million |
| 77025 | 33% | 1,444 | $172.7 million |
Homes in Southside Place
| Housing units | 767 |
| Median year built | 2011 |
| Built before 1980 | 12% |
| Built 2000 or later | 63% |
| Owner-occupied | 53% |
| Median value, owner-occupied | $1.7 million |
| Single-family detached | 50% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| West University Place | 0 mi | 56% | 48% |
| Bellaire | 2 mi | 56% | 28% |
| Hunters Creek Village | 6 mi | 24% | 49% |
| Piney Point Village | 6 mi | 20% | 54% |
| Houston | 6 mi | 29% | 48% |
| Hilshire Village | 7 mi | 27% | 56% |
| Spring Valley Village | 7 mi | 0% | 56% |
| Bunker Hill Village | 7 mi | 9% | 54% |
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