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Humble, Texas
Inside Humble's city limits, shrink-swell clay limits houses without basements on 9% of mapped land. A shallow water table limits basements on 68%, the 2nd-highest of 27 cities in Harris County.
That clay share is below Harris County's 25%. FEMA's flood data list 773 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 6,428 homes, 44% were built before 1980; the median dates from 1982.
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 Humble
Foundation repair in Humble: shrink-swell clay limits slab homes on 9% of Humble's mapped land.
About 2,700 of Humble's 6,428 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 Humble city limits
| Expansive clay (limits slab homes) | 8.8% |
| High water table (limits basements) | 68.1% |
| Septic fields very limited | 89.0% |
| Clay swell (LEP, by area) | 2.9% |
| High-swell land (LEP 6%+) | 8.8% |
| Urban land, not rated | 13.7% |
| Mapped soil | 6,374 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Addicks | 21% | n/a |
| Clodine | 12% | n/a |
| Wockley | 10% | n/a |
| Kenney | 7% | n/a |
| Boy | 6% | n/a |
| Voss | 4% | n/a |
What the numbers mean here
On 68% of Humble's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 89% 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 Humble. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77338 | 70% | 508 | $71.6 million |
| 77396 | 30% | 265 | $11.8 million |
Homes in Humble
| Housing units | 6,428 |
| Median year built | 1982 |
| Built before 1980 | 44% |
| Built 2000 or later | 18% |
| Owner-occupied | 39% |
| Median value, owner-occupied | $216,400 |
| Single-family detached | 42% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Woodbranch | 14 mi | 3% | 49% |
| Roman Forest | 15 mi | under 1% | 76% |
| Jacinto City | 15 mi | 55% | 23% |
| Patton Village | 16 mi | 3% | 59% |
| Oak Ridge North | 16 mi | 0% | 42% |
| Houston | 16 mi | 29% | 48% |
| Galena Park | 17 mi | 67% | 59% |
| Shenandoah | 18 mi | 0% | 48% |
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