21642 Ridenour Rd is a 1,148 square foot house on a 0.7 acre lot with 1 bathroom. Based on Redfin's Boonsboro data, we estimate the home's value is $322,660.
Single-familyProperty Type
1967Year Built
0.7 acresLot Size
$281Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$322,660
$1,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.2% lower than the average sale price ($323K) 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
$2,472 (+15.4%)
2024
$2,142 (+4.8%)
2023
$2,044 (+5.0%)
$75,200 + $125,900
$201,100
2022
$1,946 (+2.9%)
2021
$1,891 (+3.5%)
2020
$1,827 (+2.7%)
$75,200 + $97,500
$172,700
2019
$1,778 (+3.3%)
2018
$1,722
$75,200 + $81,600
$156,800
2017
$1,722 (−4.0%)
$75,200 + $81,600
$156,800
2016
$1,793
$75,200 + $88,300
$163,500
2015
$1,793
$75,200 + $88,300
$163,500
2014
$1,793 (−13.9%)
2013
$2,082 (+4.6%)
2012
$1,990 (+4.4%)
2011
$1,907 (+4.2%)
2010
$1,830 (+7.3%)
2009
$1,705
Tax history for 21642 Ridenour Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,472 (+15.4%)
2024
$2,142 (+4.8%)
2023
$2,044 (+5.0%)
$75,200 + $125,900
$201,100
2022
$1,946 (+2.9%)
2021
$1,891 (+3.5%)
2020
$1,827 (+2.7%)
$75,200 + $97,500
$172,700
2019
$1,778 (+3.3%)
2018
$1,722
$75,200 + $81,600
$156,800
2017
$1,722 (−4.0%)
$75,200 + $81,600
$156,800
2016
$1,793
$75,200 + $88,300
$163,500
2015
$1,793
$75,200 + $88,300
$163,500
2014
$1,793 (−13.9%)
2013
$2,082 (+4.6%)
2012
$1,990 (+4.4%)
2011
$1,907 (+4.2%)
2010
$1,830 (+7.3%)
2009
$1,705
*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
Basement Information
Basement Type: Garage
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 1 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Brick
Roof Shape Type: Metal
Building Type: Single Family
Property Information
Living Sq. Ft: 1,148
Building Sq. Ft: 1,388
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: 0.70 ACRES 21642 RIDENOUR RD
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 840
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 30,492
Acres: 0.7
Depth Footage: 270
Front Footage: 170
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: 1.0
Sq. Ft.: 1,148
Stories: 1.0
Lot Size: 0.7 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: —
County: Washington County
APN: 16 002143
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 • 4.4mi
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
$307,000 – $372,000
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