SOLD FEB 7, 2026
Off Market Feb 2026 for $549K
$574,861
Est. refi paymentEst. refi $4,146/mo
3
bd
2 ba
1,562
sq ft

4100 Black Rock Rd, Upperco, MD 21155

map-entry

About this home

Single-familyProperty Type
1951Year Built
3.54 acresLot Size
$368Est. Price/Sq.Ft.
2 garage spacesParking
Listed by Penny Wilson Monument Sotheby's International Realty
443-291-6939 (broker)
Bought with Adam Bolshaw RE/MAX Components
443-353-5281 (broker)
Redfin checked: 4 minutes ago
Source:BRIGHT MLS #MDBC2141168

Redfin Estimate

$574,861
$25K since sold in February 2026$2,000 since August

This home's estimate is 41.6% higher than the average sale price ($406K) of 6 comparable homes.

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Earn from this home

Sell
$103,779
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$2,334/mo
Redfin rental estimate

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Market trends in 21155, MD

Sale history for 4100 Black Rock Rd

Tax history for 4100 Black Rock Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
Baths
1.5
Stories
1.5
Lot width
Lot depth
Lot size
3.54 Acres
Year renovated
Sq. Ft.
1,562
Year built
1951
Style
Single Family Residential
County
Baltimore County
APN
05 0518072102
Parking Spaces
Basement
Accessible
HOA Dues
Garage
Features
Last updated by owner on Jul 29, 2026.

Property details

Around this home

Schools

Fifth District Elementary School

Public K-5 • Assigned • 1.6mi

10/10
Hereford Middle School

Public 6-8 • Assigned • 7.5mi

8/10
Hereford High School

Public 9-12 • Assigned • 7.3mi

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 100° expected this year, 15 days in 30 years

4/10 Wind Factor

14% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Upperco, MD • 21155
Average low and high temperatures (°F)
35
22
40
26
58
38
66
47
72
54
82
64
87
71
79
62
76
59
67
48
55
39
41
27
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 4.2 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$547,000 – $662,000

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Property information provided by BRIGHT MLS when last listed in 2025. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.