Natalia, Texas

Inside Natalia's city limits, shrink-swell clay limits houses without basements on 10% of mapped land, the 5th-highest of 5 cities in Medina County. A shallow water table limits basements on under 1%.

That clay share is below Medina County's 33%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 78059 overlapping the city. Of its 401 homes, 45% were built before 1980; the median dates from 1984.

Data as of October 13, 2026 · sources · in Medina County

10%

expansive clay: shrink-swell limits slab homes

<1%

high water table: limits basements

flood losses since 2016 in 1 overlapping ZIP

45%

of homes built before 1980

Foundation repair in Natalia

Foundation repair in Natalia: shrink-swell clay limits slab homes on 10% of Natalia's mapped land.

About 200 of Natalia's 401 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 Natalia city limits

Expansive clay (limits slab homes)	10.3%
High water table (limits basements)	0.4%
Septic fields very limited	72.4%
Clay swell (LEP, by area)	4.0%
High-swell land (LEP 6%+)	6.2%
Mapped soil	900 acres

Soil series	Share here	Series nationally: expansive clay
Nusil	21%	n/a
Wilco	13%	n/a
Hitilo	13%	n/a
Poth	9%	n/a
Aluf	6%	n/a
Divot	6%	n/a

Natalia city limits inside Medina County, shaded by the city's expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count

What the numbers mean here

USDA rates 72% of the land very limited for septic absorption fields.

With shrink-swell clay on 10% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Natalia; conditions still vary lot by lot.

Drought in Medina County

95.8% of Medina County is in drought (D1 or worse) on the October 13, 2026 map. County detail.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026

Flood losses by ZIP code

FEMA flood records since 2016 in the ZIP codes that overlap Natalia. ZIP areas reach past city limits.

ZIP	Share of city land	Flood losses	Paid
78059	100%	1	$0

Homes in Natalia

Housing units	401
Median year built	1984
Built before 1980	45%
Built 2000 or later	27%
Owner-occupied	76%
Median value, owner-occupied	$141,700
Single-family detached	59%

Nearby cities

Place	Distance	Expansive clay	High water table
Devine	4 mi	16%	under 1%
Lytle	5 mi	30%	under 1%
LaCoste	9 mi	76%	1%
Somerset	12 mi	10%	under 1%
Castroville	12 mi	60%	under 1%
Von Ormy	13 mi	43%	0%
Poteet	20 mi	71%	under 1%
Hondo	22 mi	70%	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