13405 Black Valley Rd NE is a 1,440 square foot house on a 3.22 acre lot with 1 bathroom. - it last sold on December 28, 2016 for $70,000. Based on Redfin's Flintstone data, we estimate the home's value is $165,965.
Single-familyProperty Type
1948Year Built
3.22 acresLot Size
$115Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$165,965
$96K since sold in December 2016$2,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 23.9% lower than the average sale price ($218K) of 6 comparable homes.
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Earn from this home
Refinance
$0
Est. cash available
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Market trends in 21530, MD
Last updated October 2026
Sale-to-list price
97.8%
1.3% MoM
Median sale price
$208K
$13K MoM
Avg. days on market
60d
31 days MoM
Recently sold homes
2
4 MoM
Provided by Redfin
Sale history for 13405 Black Valley Rd NE
Date
Event
Price
Public Records
Dec 28, 2016
Sold
$70,000
$49/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$1,004 (+1.1%)
2025
$993 (+1.1%)
2024
$982 (+9.6%)
2022
$895 (+5.1%)
2021
$852 (+5.2%)
2020
$810 (+5.5%)
$34,700 + $43,700
$78,400
2019
$767 (+5.8%)
2018
$725
$24,100 + $42,600
$66,700
2017
$726 (−3.1%)
$24,100 + $42,600
$66,700
2016
$749 (−1.1%)
$26,300 + $43,100
$69,400
2015
$757 (+0.8%)
$26,300 + $43,100
$69,400
2014
$751 (−5.3%)
2013
$793
2012
$794
2011
$794
2010
$794 (−2.9%)
2009
$818
Tax history for 13405 Black Valley Rd NE
Year
Property tax
Land + Additions
Assessment*
2026
$1,004 (+1.1%)
2025
$993 (+1.1%)
2024
$982 (+9.6%)
2022
$895 (+5.1%)
2021
$852 (+5.2%)
2020
$810 (+5.5%)
$34,700 + $43,700
$78,400
2019
$767 (+5.8%)
2018
$725
$24,100 + $42,600
$66,700
2017
$726 (−3.1%)
$24,100 + $42,600
$66,700
2016
$749 (−1.1%)
$26,300 + $43,100
$69,400
2015
$757 (+0.8%)
$26,300 + $43,100
$69,400
2014
$751 (−5.3%)
2013
$793
2012
$794
2011
$794
2010
$794 (−2.9%)
2009
$818
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-2
Residential 2 District
Urban districts are designed to accommodate various forms of urban development, including residential, commercial, mixed-use, industrial, institutional and recreational uses. In addition, major subdivisions, minor subdivisions and planned developments, including mobile home parks, industrial parks, shopping centers, and neighborhood convenience centers are to be accommodated in the urban districts.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Multiple units
Infrastructure
Fire house
Police station
Recreation
Timberland
Property details
Interior
Basement Information
Basement Sq. Ft: 720
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Electric
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Living Sq. Ft: 1,440
Building Sq. Ft: 1,800
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: 3.22A N/W/S BLACK VALLEY RD
Parking & Garage Information
Parking Type: Detached Frame Garage
Garage/Parking Sq. Ft: 450
Garage / Carport Type: Detached Frame
Lot Information
# of Buildings: 1
Land Sq. Ft: 140,263
Acres: 3.22
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 03
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 1,440
Stories: 1.0
Lot Size: 3.22 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: —
County: Allegany County
APN: 03 005356
Home facts updated by county records on Oct 7, 2026
Around this home
Schools
K - 12
Preschool & daycare
Flintstone Elementary School
Public PreK-5 • Assigned • 0.8mi
4/10
Washington Middle School
Public 6-8 • Assigned • 10.9mi
5/10
Fort Hill High School
Public 9-12 • Assigned • 10.8mi
6/10
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
4/10 Heat Factor
7 days above 99° expected this year, 18 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
2/10 Air Factor
0 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Flintstone, MD • 21530
Average low and high temperatures (°F)
34
20
42
26
60
37
68
46
71
52
82
62
86
68
80
61
77
57
65
44
54
38
41
27
Jan
Feb
Mar
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May
Jun
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Aug
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Oct
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Dec
Sun exposure
In this area, properties receive around 8.4 hours in
June and 3.1 hours in December, placing it below the
U.S. average for solar exposure.