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Canyon, Texas
Inside Canyon's city limits, shrink-swell clay limits houses without basements on 19% of mapped land, the highest of 4 cities in Randall County. A shallow water table limits basements on under 1%.
That clay share is below Randall County's 66%. FEMA's flood data list 5 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 6,116 homes, 46% were built before 1980; the median dates from 1983.
Data as of October 13, 2026 · sources · in Randall 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 Canyon
Foundation repair in Canyon: shrink-swell clay limits slab homes on 19% of Canyon's mapped land.
About 3,900 of Canyon's 6,116 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 Canyon city limits
| Expansive clay (limits slab homes) | 19.2% |
| High water table (limits basements) | 0.3% |
| Septic fields very limited | 58.3% |
| Clay swell (LEP, by area) | 3.9% |
| High-swell land (LEP 6%+) | 9.2% |
| Urban land, not rated | 15.2% |
| Mapped soil | 5,191 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Olton | 12% | 91% |
| Estacado | 10% | n/a |
| Potter | 7% | n/a |
| Mobeetie | 7% | n/a |
| Plemons | 6% | n/a |
| Stegall | 6% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 3.9% by land area here, and 9% 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: 61.7% of Randall County is in drought on the latest map, and 19% of Canyon's mapped land has shrink-swell clay.
USDA rates 58% of the land very limited for septic absorption fields.
Drought in Randall County
61.7% of Randall 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 Canyon. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79015 | over 99% | 5 | $84,736 |
| 79016 | under 1% | 0 | $0 |
Homes in Canyon
| Housing units | 6,116 |
| Median year built | 1983 |
| Built before 1980 | 46% |
| Built 2000 or later | 32% |
| Owner-occupied | 54% |
| Median value, owner-occupied | $240,300 |
| Single-family detached | 64% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Timbercreek Canyon | 7 mi | 6% | 0% |
| Palisades | 8 mi | 1% | 0% |
| Lake Tanglewood | 9 mi | under 1% | 0% |
| Amarillo | 15 mi | 49% | 7% |
| Happy | 18 mi | 69% | 1% |
| Bishop Hills | 19 mi | 0% | under 1% |
| Hereford | 30 mi | 78% | 1% |
| Tulia | 32 mi | 90% | 2% |
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