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Highland Haven, Texas
Inside Highland Haven's city limits, shrink-swell clay limits houses without basements on 6% of mapped land. A shallow water table limits basements on 0%.
That clay share is below Burnet County's 27%. FEMA's flood data list 187 flood losses since 2016 in ZIP code 78654 overlapping the city. Of its 356 homes, 39% were built before 1980; the median dates from 1987.
Data as of October 13, 2026 · sources · in Burnet 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 Highland Haven
Foundation repair in Highland Haven: shrink-swell clay limits slab homes on 6% of Highland Haven's mapped land.
About 400 of Highland Haven's 356 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 Highland Haven city limits
| Expansive clay (limits slab homes) | 6.4% |
| High water table (limits basements) | 0.0% |
| Septic fields very limited | 70.4% |
| Clay swell (LEP, by area) | 4.1% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 352 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Voca | 49% | n/a |
| Click | 11% | n/a |
| Pedernales | 6% | n/a |
| Keese | 6% | n/a |
| Oben | 2% | n/a |
| Hye | 2% | n/a |
What the numbers mean here
USDA rates 70% of the land very limited for septic absorption fields.
With shrink-swell clay on 6% and a shallow water table on 0% of the land, the soil survey points to neither problem across most of Highland Haven; conditions still vary lot by lot.
Drought in Burnet County
21.3% of Burnet 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 Highland Haven. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 78654 | 100% | 187 | $10.8 million |
Homes in Highland Haven
| Housing units | 356 |
| Median year built | 1987 |
| Built before 1980 | 39% |
| Built 2000 or later | 23% |
| Owner-occupied | 93% |
| Median value, owner-occupied | $492,600 |
| Single-family detached | 99% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Sunrise Beach Village | 2 mi | 1% | 0% |
| Granite Shoals | 2 mi | 0% | 0% |
| Horseshoe Bay | 5 mi | 10% | 0% |
| Cottonwood Shores | 5 mi | 20% | 0% |
| Meadowlakes | 7 mi | 64% | 0% |
| Marble Falls | 8 mi | 44% | under 1% |
| Double Horn | 13 mi | 70% | 0% |
| Burnet | 14 mi | 25% | 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