Seymour, Texas

Inside Seymour's city limits, shrink-swell clay limits houses without basements on 8% of mapped land. A shallow water table limits basements on under 1%.

That clay share is below Baylor County's 54%. FEMA's flood data list no flood losses since 2016 in ZIP code 76380 overlapping the city. Of its 1,658 homes, 82% were built before 1980; the median dates from 1965.

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

expansive clay: shrink-swell limits slab homes

<1%

high water table: limits basements

flood losses since 2016 in 1 overlapping ZIP

82%

of homes built before 1980

Foundation repair in Seymour

Foundation repair in Seymour: shrink-swell clay limits slab homes on 8% of Seymour's mapped land.

About 1,300 of Seymour's 1,658 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 Seymour city limits

Expansive clay (limits slab homes)	8.2%
High water table (limits basements)	0.1%
Septic fields very limited	61.5%
Clay swell (LEP, by area)	2.9%
High-swell land (LEP 6%+)	5.5%
Mapped soil	1,877 acres

Soil series	Share here	Series nationally: expansive clay
Enterprise	29%	n/a
Miles	29%	0%
Hardeman	9%	n/a
Chaney	8%	n/a
Clairemont	7%	n/a
Tillman	5%	93%

Seymour city limits inside Baylor 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 62% of the land very limited for septic absorption fields.

With shrink-swell clay on 8% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Seymour; conditions still vary lot by lot.

Drought in Baylor County

100% of Baylor 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 Seymour. ZIP areas reach past city limits.

ZIP	Share of city land	Flood losses	Paid
76380	100%	0	$0

Homes in Seymour

Housing units	1,658
Median year built	1965
Built before 1980	82%
Built 2000 or later	3%
Owner-occupied	63%
Median value, owner-occupied	$93,200
Single-family detached	80%

Nearby cities

Place	Distance	Expansive clay	High water table
Goree	18 mi	1%	under 1%
Megargel	21 mi	53%	0%
Munday	23 mi	66%	1%
Throckmorton	29 mi	24%	0%
Weinert	30 mi	85%	1%
Benjamin	31 mi	87%	0%
Olney	33 mi	54%	0%
Knox City	34 mi	0%	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