21640 Ridenour Rd is a 2,584 square foot house on a 1.26 acre lot with 2.5 bathrooms. Based on Redfin's Boonsboro data, we estimate the home's value is $527,976.
Single-familyProperty Type
2002Year Built
1.26 acresLot Size
$204Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$527,976
$7,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.3% lower than the average sale price ($570K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,576 (+5.5%)
2024
$3,389 (+5.5%)
2023
$3,213 (+5.5%)
$81,900 + $306,200
$388,100
2022
$3,046 (+3.0%)
2021
$2,957 (+1.3%)
2020
$2,920 (+0.4%)
$81,900 + $191,400
$273,300
2019
$2,909 (+0.8%)
2018
$2,885
$81,900 + $184,600
$266,500
2017
$2,885 (−0.5%)
$81,900 + $184,600
$266,500
2016
$2,898
$81,900 + $185,900
$267,800
2015
$2,898
$81,900 + $185,900
$267,800
2014
$2,899 (−13.4%)
2013
$3,348 (+0.9%)
2012
$3,318 (+2.2%)
2011
$3,248 (+3.6%)
2010
$3,135 (+6.6%)
2009
$2,941
Tax history for 21640 Ridenour Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,576 (+5.5%)
2024
$3,389 (+5.5%)
2023
$3,213 (+5.5%)
$81,900 + $306,200
$388,100
2022
$3,046 (+3.0%)
2021
$2,957 (+1.3%)
2020
$2,920 (+0.4%)
$81,900 + $191,400
$273,300
2019
$2,909 (+0.8%)
2018
$2,885
$81,900 + $184,600
$266,500
2017
$2,885 (−0.5%)
$81,900 + $184,600
$266,500
2016
$2,898
$81,900 + $185,900
$267,800
2015
$2,898
$81,900 + $185,900
$267,800
2014
$2,899 (−13.4%)
2013
$3,348 (+0.9%)
2012
$3,318 (+2.2%)
2011
$3,248 (+3.6%)
2010
$3,135 (+6.6%)
2009
$2,941
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
EC
Environmental Conservation District
The purpose of this district is to prescribe a zoning category for those areas where, because of natural geographic factors and existing land uses, it is considered feasible and desirable to conserve open spaces, water supply sources, woodland areas, wildlife and other natural resources. This district may include extensive steeply sloped areas, stream valleys, water supply sources, and wooded areas adjacent thereto.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Religious facility
Day care facility
Housing-Single unit
Housing-Multiple units
Manufacturing
Public service
Educational/school
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Subdivision Name: BOLYARD RONNIE
Living Sq. Ft: 2,584
Building Sq. Ft: 3,256
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: LOT 1 1.263 ACRES 21640 RIDENOUR ROAD
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 672
Garage / Carport Type: Built In
Lot Information
# of Buildings: 1
Land Sq. Ft: 54,886
Legal Lot Number: 1
Acres: 1.26
Zoning Code: EC
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 16
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 2,584
Stories: 2.0
Lot Size: 1.26 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: —
County: Washington County
APN: 16 023442
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Greenbrier Elementary School
Public PreK-5 • Assigned • 1.3mi
4/10
Boonsboro Middle School
Public 6-8 • Assigned • 4.3mi
8/10
Boonsboro High School
Public 9-12 • Assigned • 4.3mi
8/10
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 98° expected this year, 16 days in 30 years
3/10 Wind Factor
4% chance of strong winds in next 30 years
2/10 Air Factor
0 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Boonsboro, MD • 21713
Average low and high temperatures (°F)
36
21
44
26
61
39
69
48
74
54
84
64
89
70
83
63
78
59
68
45
56
38
43
28
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9 hours in
June and 3.8 hours in December, placing it below the
U.S. average for solar exposure.
9 hrs
3.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$502,000 – $608,000
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