This hilltop home has the most beautiful sunrises and sunsets. It has 55 acres with two sides of road frontage, William Penn Road and Lone Star Road. The home and barn sit on top of the hill with views overlooking the pond. The open living, dining and kitchen areas are perfect for entertaining guests. There is a half bath located off of the living area. The split floor plan allow for each room to have privacy and all three bedrooms have ensuite bathrooms. The loft area is open to the downstairs living areas. There is a detached office. The outdoor kitchen was added in 2024 as well as the pool. Enjoy time outside on the wrap around porches, outdoor kitchen and entertaining area. There is a full kitchen and wood burning fireplace making it wonderful to enjoy in all seasons. The pool is connected to the outdoor kitchen. It has a hot tub, beach area and waterfall slide! The shop is fully concrete and has an RV connection. There is a half bath located inside of the shop.
Directions: From the intersection of Highway 105 and William Penn Road, turn West and the property begins on the right.
Subdivision Name: Other
Public facts
Beds: 2
Baths: 3.0
Finished Sq. Ft.: 1,844
Unfinished Sq. Ft.: —
Total Sq. Ft.: 1,844
Stories: —
Lot Size: 55.62 acres
Style: Single Family Residential
Year Built: 2009
Year Renovated: 2009
County: Washington County
APN: R000000017269
Home facts updated by county records on Apr 1, 2026
Other
Listing Information
List AOR: BryanCollegeStationRegionalAor
Sale and tax history for 18581 William Penn Rd
Sale History
Tax History
Date
Event
Price
HARMLS #57112477
Aug 31, 2026
Listing Removed
—
Jul 26, 2025
Listed
$4,100,000
$1,442/sq ft
BCSRMLS #26001922
Feb 13, 2026
Listed
$4,100,000
$1,442/sq ft
Public Records
Sep 8, 2023
Sold
*
Public Records
Apr 13, 2023
Sold
*
Public Records
Jul 20, 2020
Sold
*
$50/sq ft
Public Records
Jul 1, 2020
Sold
*
HARMLS #9975264
Feb 22, 2008
Listing Removed
—
Dec 4, 2007
Listed
$108,900
$38/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,039 (−71.5%)
2024
$17,680 (+298.6%)
$1,168,020 + $339,210
$1,507,230
2023
$4,436 (−7.2%)
$24,010 + $348,860
$372,870
2022
$4,779 (−4.0%)
2021
$4,979 (+0.5%)
$17,400 + $305,310
$322,710
2020
$4,957 (−1.6%)
$19,000 + $291,410
$310,410
2019
$5,039 (+1.6%)
$20,150 + $294,600
$314,750
2018
$4,959 (−0.5%)
$20,150 + $271,170
$291,320
2017
$4,984
$18,690 + $274,090
$292,780
Public record
Beds
2
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
55.62 Acres
Year renovated
2009
Finished Sq. Ft.
1,844
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,844
Year built
2009
Style
Single Family Residential
County
Washington County
APN
R000000017269
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Apr 1, 2026.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
8/10 Heat Factor
7 days above 111° expected this year, 22 days in 30 years
8/10 Wind Factor
98% 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
Washington, TX • 77880
Average low and high temperatures (°F)
60
39
70
48
79
57
80
63
85
67
90
74
91
74
93
73
91
68
88
62
78
55
68
48
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
100/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 1% for direct sun exposure in Washington. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.6 hrs
7 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 18581 William Penn Rd
$3,591,892
$508K under list price of $4.10M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $279K to $979K.