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Oak Ridge North, Texas
Inside Oak Ridge North's city limits, shrink-swell clay limits houses without basements on 0% of mapped land. A shallow water table limits basements on 42%.
That clay share is below Montgomery County's 15%. USDA doesn't rate the 39% of mapped land classed as urban land, so these shares are floors. FEMA's flood data list 837 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 1,135 homes, 65% were built before 1980; the median dates from 1977.
Data as of October 13, 2026 · sources · in Montgomery 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 Oak Ridge North
Foundation repair in Oak Ridge North: shrink-swell clay limits slab homes on 0% of Oak Ridge North's mapped land.
About 1,100 of Oak Ridge North's 1,135 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 Oak Ridge North city limits
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 42.2% |
| Septic fields very limited | 60.1% |
| Clay swell (LEP, by area) | 1.3% |
| High-swell land (LEP 6%+) | 0.0% |
| Urban land, not rated | 39.1% |
| Mapped soil | 951 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Sorter | 26% | n/a |
| Landman | 10% | n/a |
| Rentzel | 10% | n/a |
| Belrose | 8% | n/a |
| Westcott | 2% | n/a |
| Tarkington | 1% | n/a |
What the numbers mean here
On 42% of Oak Ridge North's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 60% of the land very limited for septic absorption fields.
Drought in Montgomery County
57.6% of Montgomery 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 Oak Ridge North. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77385 | 57% | 391 | $34.2 million |
| 77386 | 41% | 446 | $47.2 million |
Homes in Oak Ridge North
| Housing units | 1,135 |
| Median year built | 1977 |
| Built before 1980 | 65% |
| Built 2000 or later | 14% |
| Owner-occupied | 97% |
| Median value, owner-occupied | $302,900 |
| Single-family detached | 98% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Shenandoah | 2 mi | 0% | 48% |
| Woodloch | 4 mi | 7% | 38% |
| Tomball | 11 mi | 1% | 41% |
| Conroe | 12 mi | 10% | 64% |
| Cut and Shoot | 14 mi | 1% | 49% |
| Stagecoach | 15 mi | 11% | 75% |
| Woodbranch | 15 mi | 3% | 49% |
| Humble | 16 mi | 9% | 68% |
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