Azle, Texas
Inside Azle's city limits, shrink-swell clay limits houses without basements on 15% of mapped land. A shallow water table limits basements on 17%, the 2nd-highest of 35 cities in Tarrant County.
That clay share is below Tarrant County's 41%. FEMA's flood data list 17 flood losses since 2016 in ZIP code 76020 overlapping the city. Of its 5,564 homes, 34% were built before 1980; the median dates from 1987.
Data as of October 13, 2026 · sources · in Tarrant 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 Azle
Foundation repair in Azle: shrink-swell clay limits slab homes on 15% of Azle's mapped land.
About 4,300 of Azle's 5,564 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 Azle city limits
| Expansive clay (limits slab homes) | 14.7% |
| High water table (limits basements) | 17.5% |
| Septic fields very limited | 71.5% |
| Clay swell (LEP, by area) | 3.8% |
| High-swell land (LEP 6%+) | 5.6% |
| Mapped soil | 5,627 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Windthorst | 18% | 37% |
| Keeter | 16% | n/a |
| Nimrod | 8% | n/a |
| Selden | 8% | n/a |
| Silawa | 8% | n/a |
| Bastsil | 6% | n/a |
What the numbers mean here
On 17% of Azle's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 71% of the land very limited for septic absorption fields.
Drought in Tarrant County
100% of Tarrant 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 Azle. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76020 | 100% | 17 | $432,724 |
Homes in Azle
| Housing units | 5,564 |
| Median year built | 1987 |
| Built before 1980 | 34% |
| Built 2000 or later | 33% |
| Owner-occupied | 68% |
| Median value, owner-occupied | $287,100 |
| Single-family detached | 77% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Pelican Bay | 2 mi | 30% | 55% |
| Sanctuary | 3 mi | 35% | 34% |
| Reno | 4 mi | 23% | 16% |
| Lakeside | 6 mi | 18% | under 1% |
| Lake Worth | 9 mi | 26% | 1% |
| Newark | 9 mi | 48% | under 1% |
| Springtown | 10 mi | 33% | 28% |
| Sansom Park | 10 mi | 12% | 0% |
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