21800 Beallsville Rd is a 2,040 square foot house on a 3.03 acre lot with 3.5 bathrooms. Based on Redfin's Barnesville data, we estimate the home's value is $617,630.
Single-familyProperty Type
1920Year Built
3.03 acresLot Size
$303Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$617,630
$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.5% lower than the average sale price ($767K) of 6 comparable homes.
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Earn from this home
Sell
$580,093
Est. take-home
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Market trends in 20838, MD
Last updated September 2026
Sale-to-list price
95.2%
0.0% MoM
Median sale price
$950K
$0 MoM
Avg. days on market
55d
0 days MoM
Recently sold homes
1
0 MoM
Provided by Redfin
Sale history for 21800 Beallsville Rd
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$5,969 (+15.4%)
2025
$5,175 (+21.8%)
2024
$4,250 (+17.6%)
2022
$3,614 (+6.2%)
2021
$3,405 (+103.1%)
2020
$1,676 (−49.7%)
$232,300 + $159,900
$392,200
2019
$3,330 (−7.9%)
2012
$3,615
2011
2010
2009
$2,773
Tax history for 21800 Beallsville Rd
Year
Property tax
Land + Additions
Assessment*
2026
$5,969 (+15.4%)
2025
$5,175 (+21.8%)
2024
$4,250 (+17.6%)
2022
$3,614 (+6.2%)
2021
$3,405 (+103.1%)
2020
$1,676 (−49.7%)
$232,300 + $159,900
$392,200
2019
$3,330 (−7.9%)
2012
$3,615
2011
2010
2009
$2,773
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 8, 2019 • Final
Electrical
Electrical
Mar 8, 2019 • Final
Building residential
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Separate System
Heating Type: Radiant Hot Water
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 2 Story Frame
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family
Property Information
Living Sq. Ft: 2,040
Building Sq. Ft: 2,040
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: PLEASANT DALE RES #8 7-1
Parking & Garage Information
Parking Type: Detached Frame Garage
Garage/Parking Sq. Ft: 432
Garage / Carport Type: Detached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 131,987
Municipality Name: BARNESVILLE
Acres: 3.03
Zoning Code: RDT
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 11
Public facts
Beds: —
Baths: 3.5
Sq. Ft.: 2,040
Stories: 2.0
Lot Size: 3.03 acres
Style: Single Family Residential
Year Built: 1920
Year Renovated: —
County: Montgomery County
APN: 11 00916461
Home facts updated by county records on Oct 15, 2026
Around this home
Schools
Monocacy Elementary School
Public K-5 • Assigned • 1.1mi
7/10
John H. Poole Middle School
Public 6-8 • Assigned • 6.2mi
8/10
Poolesville High School
Public 9-12 • Assigned • 5.3mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 102° expected this year, 16 days in 30 years
4/10 Wind Factor
8% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Barnesville, MD • 20838
Average low and high temperatures (°F)
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22
43
27
61
39
69
48
73
54
84
63
89
70
81
61
79
58
69
46
57
38
43
28
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.2 hours in
June and 4 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$587,000 – $711,000
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