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Los Indios, Texas
Inside Los Indios' city limits, shrink-swell clay limits houses without basements on 41% of mapped land, higher than 50% of Texas cities. A shallow water table limits basements on 1%.
That clay share is above Cameron County's 29%. FEMA's flood data list 126 flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 289 homes, 33% were built before 1980; the median dates from 1992.
Data as of October 13, 2026 · sources · in Cameron 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 Los Indios
Foundation repair in Los Indios: shrink-swell clay limits slab homes on 41% of Los Indios' mapped land, more than in 50% of Texas cities.
About 200 of Los Indios' 289 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 Los Indios city limits
| Expansive clay (limits slab homes) | 41.3% |
| High water table (limits basements) | 1.1% |
| Septic fields very limited | 49.2% |
| Clay swell (LEP, by area) | 10.0% |
| High-swell land (LEP 6%+) | 41.4% |
| Urban land, not rated | 2.2% |
| Mapped soil | 1,193 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Laredo | 35% | 0% |
| Olmito | 31% | n/a |
| Harlingen | 7% | n/a |
| Rio Grande | 7% | n/a |
| Matamoros | 6% | n/a |
| Camargo | 4% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 10.0% by land area here, and 41% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 41% of the mapped land.
Clay shrinks as it dries: 83.8% of Cameron County is in drought on the latest map, and 41% of Los Indios' mapped land has shrink-swell clay.
Drought in Cameron County
83.8% of Cameron 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 Los Indios. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 78586 | 54% | 126 | $6.1 million |
| 78567 | 46% | 0 | $0 |
Homes in Los Indios
| Housing units | 289 |
| Median year built | 1992 |
| Built before 1980 | 33% |
| Built 2000 or later | 27% |
| Owner-occupied | 84% |
| Median value, owner-occupied | $63,500 |
| Single-family detached | 86% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Rangerville | 4 mi | 56% | 5% |
| San Benito | 8 mi | 63% | 4% |
| La Feria | 9 mi | 24% | under 1% |
| Harlingen | 10 mi | 62% | 1% |
| Palm Valley | 11 mi | 18% | 4% |
| Rancho Viejo | 11 mi | 26% | 5% |
| Primera | 12 mi | 18% | 3% |
| Mercedes | 13 mi | 40% | under 1% |
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