HomeTexasAustin CountySouth Frydek
South Frydek, Texas
Inside South Frydek's city limits, shrink-swell clay limits houses without basements on 90% of mapped land, the highest of 7 cities in Austin County. A shallow water table limits basements on 12%.
That clay share is above Austin County's 38%. FEMA's flood data list 179 flood losses since 2016 in ZIP code 77474 overlapping the city. Of its 124 homes, 19% were built before 1980; the median dates from 2003.
Data as of October 13, 2026 · sources · in Austin 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 South Frydek
Foundation repair in South Frydek: shrink-swell clay limits slab homes on 90% of South Frydek's mapped land, more than in 97% of Texas cities.
About 100 of South Frydek's 124 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 South Frydek city limits
| Expansive clay (limits slab homes) | 89.9% |
| High water table (limits basements) | 11.9% |
| Septic fields very limited | 90.2% |
| Clay swell (LEP, by area) | 13.2% |
| High-swell land (LEP 6%+) | 89.9% |
| Mapped soil | 1,134 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Lake Charles | 85% | 97% |
| Bernard | 6% | 43% |
| Verland | 5% | n/a |
| Edna | 3% | n/a |
| Cieno | 1% | n/a |
| Waller | under 1% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 13.2% by land area here, and 90% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 90% of the mapped land.
Clay shrinks as it dries: 96.2% of Austin County is in drought on the latest map, and 90% of South Frydek's mapped land has shrink-swell clay.
USDA rates 90% of the land very limited for septic absorption fields.
Drought in Austin County
96.2% of Austin 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 South Frydek. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77474 | 100% | 179 | $8.7 million |
Homes in South Frydek
| Housing units | 124 |
| Median year built | 2003 |
| Built before 1980 | 19% |
| Built 2000 or later | 73% |
| Owner-occupied | 96% |
| Median value, owner-occupied | $382,900 |
| Single-family detached | 99% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Brazos Country | 3 mi | 15% | 21% |
| San Felipe | 4 mi | 56% | 36% |
| Sealy | 5 mi | 10% | 32% |
| Wallis | 7 mi | 86% | 61% |
| Simonton | 7 mi | 41% | 2% |
| Brookshire | 8 mi | 2% | 18% |
| Pattison | 8 mi | 17% | 26% |
| Weston Lakes | 10 mi | 32% | 6% |
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