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Gunter, Texas

Inside Gunter's city limits, shrink-swell clay limits houses without basements on 84% of mapped land, the highest of 16 cities in Grayson County. A shallow water table limits basements on 6%, the 2nd-highest of 16 cities in Grayson County.

That clay share is above Grayson County's 60%. FEMA's flood data list 4 flood losses since 2016 in the 3 ZIP codes overlapping the city. Of its 762 homes, 21% were built before 1980; the median dates from 2004.

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

84%

expansive clay: shrink-swell limits slab homes

6%

high water table: limits basements

4

flood losses since 2016 in 3 overlapping ZIPs

21%

of homes built before 1980

Foundation repair in Gunter

Foundation repair in Gunter: shrink-swell clay limits slab homes on 84% of Gunter's mapped land, more than in 92% of Texas cities.

About 700 of Gunter's 762 homes are detached houses.

Who designs the repairThe ASCE Texas Section's repair guidelines say a Texas-licensed engineer should evaluate the foundation and design the repair (2022 guidelines)
PricesCost guide ranges compared

Soil under Gunter city limits

Expansive clay (limits slab homes)84.3%
High water table (limits basements)5.8%
Septic fields very limited92.7%
Clay swell (LEP, by area)10.6%
High-swell land (LEP 6%+)82.7%
Mapped soil12,504 acres
Soil seriesShare hereSeries nationally: expansive clay
Vertel24%n/a
Normangee17%72%
Wilson14%88%
Heiden10%80%
Fairlie7%70%
Elbon6%n/a
Grayson CountyGunter
Gunter city limits inside Grayson 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

Clay swell averages a linear extensibility of 10.6% by land area here, and 83% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 84% of the mapped land.

Clay shrinks as it dries: 100% of Grayson County is in drought on the latest map, and 84% of Gunter's mapped land has shrink-swell clay.

USDA rates 93% of the land very limited for septic absorption fields.

Drought in Grayson County

100% of Grayson 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 Gunter. ZIP areas reach past city limits.

ZIPShare of city landFlood lossesPaid
7505858%0$0
7627122%1$0
7545918%3$8,585

Homes in Gunter

Housing units762
Median year built2004
Built before 198021%
Built 2000 or later59%
Owner-occupied69%
Median value, owner-occupied$547,600
Single-family detached88%

Nearby cities

PlaceDistanceExpansive clayHigh water table
Celina 7 mi 81% 1%
Tioga 7 mi 74% 0%
Pilot Point 8 mi 53% 1%
Weston 11 mi 77% under 1%
Dorchester 11 mi 73% under 1%
Collinsville 11 mi 40% 0%
Aubrey 12 mi 33% 1%
Prosper 12 mi 77% 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