Discover 10 unrestricted acres offering exceptional access and dual residences-an ideal opportunity for those seeking space, flexibility, and scenic surroundings. The custom-built barndominium features durable 9-inch exterior insulated walls, with additional insulation in the attic and between interior walls for enhanced comfort and efficiency. The main home includes 1500 sq ft., four bedrooms, and an open-concept design, allowing for versatile living arrangements. The absence of built-in closets provides the freedom to customize storage solutions, whether through armoires or the addition of tailored closet spaces. The guest house is 750 sq ft, equally well-constructed and offers a spacious bedroom and bath, along with an inviting open layout that seamlessly connects the living, dining, and kitchen areas-perfect for extended family or guests. Step outside either residence to enjoy consistent breezes, as the property is situated along one of the highest elevations in the county. Take in expansive views stretching toward San Marcos, Seguin, and the surrounding countryside. The front portion of the property features a 24x30 garage suitable for multiple vehicles, as well as a five-bay 20 x 60 workshop with 10' roll-up doors, and is ideal for projects, storage, or business use. Additional amenities include two RV hookups and full perimeter fencing. With abundant space and flexibility, the property offers endless potential-whether continuing the established wildlife sanctuary or creating your own outdoor retreat.
Discover 10 unrestricted acres offering exceptional access and dual residences—an ideal opportunity for those seeking space, flexibility, and scenic surroundings. The custom-built barndominium features durable 9-inch exterior insulated walls, with additional insulation in the attic and between interior walls for enhanced comfort and efficiency. The main home includes 1500 sq ft. , four bedrooms, and an open-concept design, allowing for versatile living arrangements. The absence of built-in closets provides the freedom to customize storage solutions, whether through armoires or the addition of tailored closet spaces. The guest house is 750 sq ft, equally well-constructed and offers a spacious bedroom and bath, along with an inviting open layout that seamlessly connects the living, dining, and kitchen areas—perfect for extended family or guests. Step outside either residence to enjoy consistent breezes, as the property is situated along one of the highest elevations in the county. Take in expansive views stretching toward San Marcos, Seguin, and the surrounding countryside. The front portion of the property features a 24x30 garage suitable for multiple vehicles, as well as a five-bay 20 x 60 workshop with 10' roll-up doors, and is ideal for projects, storage, or business use. Additional amenities include two RV hookups and full perimeter fencing. With abundant space and flexibility, the property offers endless potential—whether continuing the established wildlife sanctuary or creating your own outdoor retreat.
LERA #1899077
Mar 14, 2026
Listing Removed
—
Jan 14, 2026
Price Changed
$850,000
$425/sq ft
Sep 9, 2025
Listed
$899,000
$450/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$4,789 (+11.3%)
2025
$4,303 (−18.7%)
2024
$5,292 (+68.6%)
2023
$3,139 (−13.9%)
2022
$3,645 (+22.7%)
2021
$2,971 (+7.9%)
2020
$2,753 (−2.5%)
2019
$2,825 (+4.3%)
2018
$2,709
Public record
Beds
3
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
10.45 Acres
Year renovated
—
Finished Sq. Ft.
1,250
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,250
Year built
2014
Style
Other
County
Guadalupe County
APN
000000145320
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 8, 2026.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
6/10 Fire Factor
8% chance of being in a wildfire in next 30 years
7/10 Heat Factor
6 days above 108° expected this year, 18 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
1/10 Air Factor
0 unhealthy days expected this year, 0 days in 30 years
Provided by First Street
Historical weather
Seguin, TX • 78155
Average low and high temperatures (°F)
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50
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Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Provided by Shadowmap
Redfin Estimate for 2151 Old Lehmann
$660,933
$39K under list price of $700K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $291K to $425K.