OFF MARKET

Off market aug 2010 for $455K

$670,882

Est. refi paymentEst. refi $2,987/mo

•

1,568

sq ft

3766 Black Rock Rd, Upperco, MD 21155

About this home

Single-familyProperty Type

1984Year Built

5.79 acresLot Size

$428Est. Price/Sq.Ft.

2 car garageParking

Listed by Cindy Riley • Riley & Associates

•410-329-2100 (broker)

Listed by Jessica Maher • Riley & Associates

•410-329-2100 (broker)

Bought with Drew Burgess • Riley & Associates

•410-329-2100 (broker)

Redfin checked: 2 minutes ago

•Source:BRIGHT MLS #1002206044

Redfin Estimate

$670,882

$216K since sold in August 2010$6,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.9% higher than the average sale price ($584K) of 5 comparable homes.

SOLD SEP 11, 2026
$740,000
A
3 beds3.5 baths3,040 sq ft
17212 Hunter Green Rd, Upperco, MD 21155
SOLD JUL 13, 2026
$620,000
B
3 beds3 baths2,544 sq ft
16010 Falls Rd, Sparks, MD 21152
SOLD OCT 15, 2026
$650,177
C
4 beds3.5 baths2,318 sq ft
17505 Pretty Boy Dam Rd, Parkton, MD 21120
SOLD MAY 26, 2026
$430,000
D
3 beds2 baths1,596 sq ft
17904 Marshall Mill Rd, Hampstead, MD 21074
SOLD MAY 19, 2026
$480,000
E
3 beds2.5 baths1,976 sq ft
17605 Grace Rd, Hampstead, MD 21074

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Earn from this home

Sell

$410,289

Est. take-home

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Refinance

Est. cash available

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Rent

$3,466/mo

Redfin rental estimate

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Market trends in 21155, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

97.7%

+4.1% MoM

Median sale price

$475K

$140 MoM

Avg. days on market

27 days MoM

Recently sold homes

0 MoM

New listings for sale

OPEN TODAY, 11AM TO 1PM
$3,200,000
6 beds7.5 baths8,676 sq ft
4300 Mount Zion Rd, Upperco, MD 21155
(443) 901-2200
See all

Provided by Redfin

Sale history for 3766 Black Rock Rd

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Year

Property tax

Land + Additions

Assessment*

2026

$6,672 (+1.8%)

2025

$6,555 (+6.0%)

2024

$6,185 (+6.4%)

2023

$5,816 (+7.8%)

2022

$5,397 (+2.9%)

2021

$5,247 (+3.9%)

$136,000 + $308,400

$444,400

2020

$5,049 (+4.1%)

2019

$4,850 (+3.5%)

2018

$4,686 (+4.6%)

2017

$4,481 (+1.9%)

2015

$4,396 (−3.1%)

$136,000 + $218,600

$354,600

2014

$4,536 (+0.9%)

$151,100 + $215,000

$366,100

2013

$4,497 (+0.7%)

$151,100 + $215,000

$366,100

2012

$4,467 (−21.5%)

2011

$5,687

2010

$5,687 (+5.6%)

2009

$5,385

Tax history for 3766 Black Rock Rd

Year

Property tax

Land + Additions

Assessment*

2026

$6,672 (+1.8%)

2025

$6,555 (+6.0%)

2024

$6,185 (+6.4%)

2023

$5,816 (+7.8%)

2022

$5,397 (+2.9%)

2021

$5,247 (+3.9%)

$136,000 + $308,400

$444,400

2020

$5,049 (+4.1%)

2019

$4,850 (+3.5%)

2018

$4,686 (+4.6%)

2017

$4,481 (+1.9%)

2015

$4,396 (−3.1%)

$136,000 + $218,600

$354,600

2014

$4,536 (+0.9%)

$151,100 + $215,000

$366,100

2013

$4,497 (+0.7%)

$151,100 + $215,000

$366,100

2012

$4,467 (−21.5%)

2011

$5,687

2010

$5,687 (+5.6%)

2009

$5,385

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

Public record

Public record
Zoning

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

5.79 Acres

Year renovated

—

Sq. Ft.

2,318

Year built

1984

Style

Single Family Residential

County

Baltimore County

APN

05 1900010605

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 21, 2026.

RC 2

Agricultural Zone

The RC2 zoning classification is established in order to foster conditions favorable to a continued agricultural use of the productive agricultural areas of Baltimore County by preventing incompatible forms and degrees of urban uses.

Permitted uses

Include but are not limited to:

Equestrian facility
Housing-Single unit
Infrastructure
Agriculture
Park & open space

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
Garage Features: Garage - Side Entry
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Garage
Off Street, Attached Garage

Interior

Bedroom Information
# of Bedrooms On Main Level: 2
# of Bedrooms On 1st Lower Level: 1

Bathroom Information
# of Bathrooms (Full) On Main Level: 2
# of Bathrooms (Full) On 1st Lower Level: 1
# of Bathrooms (Full): 3

Interior Information
Appliances: Washer/Dryer Hookups Only, Dishwasher, Disposal, Exhaust Fan, Humidifier, Icemaker, Oven/Range - Electric, Refrigerator, Water Conditioner - Owned
Door Features: Sliding Glass, Storm
Entry Location: Foyer
Interior Features: Attic, Breakfast Area, Dining Area, Window Treatments, Entry Level Bedroom, Master Bath(s), Wood Floors, Floor Plan - Open
Wall & Ceiling Types: Cathedral Ceilings, Vaulted Ceilings, Wood Walls

Room Information
Living Room, Dining Room, Master Bedroom, Bedroom 2, Bedroom 3, Kitchen, Family Room, Laundry, Mud Room

Fireplace Information
Has Fireplace
# of Fireplaces: 3
Fireplace - Glass Doors (N)

Basement Information
Basement: Yes
Rear Entrance, Connecting Stairway, Daylight, Full, Fully Finished, Improved, Outside Entrance, Walkout Level, Windows

Exterior

Property Information
Horse Amenities: Horses Allowed
Improvement Assessed Value: $236,460
Ownership Interest: Fee Simple
Property Condition: Very Good
Year Built Source: Estimated

Building Information
Construction Materials: Brick, T-1-11
Outdoor Living Structures: Deck(s), Enclosed, Porch(es)
Roof: Asphalt
Structure Type: Detached
Window Features: Screens
Other Structures: Barn, Machine Shed

Exterior Information
Fencing: Partially

Lot Information
Lot Features: Backs to Trees, Landscaping
Topography: Level, Rolling
Tidal Water: No

Land Information
Land Assessed Value: $230,320

Financial

Tax Information
County Tax: $5,354.57
Tax Assessed Value: $466,780
Tax Year: 2009
Tax Annual Amount: $5,384.57

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2010

Utilities

Utilities Information
Central Air
Cooling Type: Ceiling Fan(s), Central A/C
Cooling Fuel: Electric
Forced Air, Heat Pump(s)
Heating Fuel: Electric, Oil
Hot Water: Electric
Sewer Septic: Septic Exists
Water Source: Well

Location

School Information
Elementary School: FIFTH DISTRICT
Middle Or Junior School: HEREFORD
High School: HEREFORD
School District Name: BALTIMORE COUNTY PUBLIC SCHOOLS

Location Information
Directions: TAKE MD-25/FALLS RD TO BLACK ROCK ROAD. DRIVEWAY APPROXIMATELY 3.3 MILES ON RIGHT. PROPERTY SITUATED 400 FEET OFF ROAD DOWN PRIVATE DRIVEWAY.
Road Responsibility: City/County

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 2,318
Stories: 1.0
Lot Size: 5.79 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: —
County: Baltimore County
APN: 05 1900010605

Home facts updated by county records on Oct 21, 2026

Around this home

Schools

K - 12
Preschool & daycare

Fifth District Elementary School

Public K-5 • Assigned • 1.9mi

10/10

Hereford Middle School

Public 6-8 • Assigned • 6.6mi

8/10

Hereford High School

Public 9-12 • Assigned • 6.6mi

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

0.15% chance of being in a wildfire in next 30 years

6/10 Heat Factor

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

4/10 Wind Factor

15% 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)

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

$638,000 – $772,000

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Nearby similar homes

OPEN TODAY, 11AM TO 1PM

$3,200,000

6 beds7.5 baths8,676 sq ft

4300 Mount Zion Rd, Upperco, MD 21155

74.78 acre lot • 3 parking spots • Pool

(443) 901-2200

$128,000

Land— sq ft

14002 Longnecker, Reisterstown, MD 21136

Listed 79 days

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NEW CONSTRUCTION

$1,250,000

4 beds2.5 baths3,000 sq ft

TBD Sommerfield Dr Unit (5 ACRES), Hampstead, MD 21074

5 acres of land • Custom homes • 5.16 acre lot

(410) 705-6295

NEW CONSTRUCTION

$825,000

4 beds2.5 baths3,000 sq ft

TBD Sommerfield Dr Lot 1, Hampstead, MD 21074

0.95 acre lot • 2 garage spots

(410) 705-6295

$150,000

Land— sq ft

1325 N Main St, Hampstead, MD 21074

Excellent visibility • Prime location

(410) 871-4300

$750,000

5 beds4.5 baths4,800 sq ft

17030 Evna Rd, Parkton, MD 21120

9.58 acres of luxury • 9.58 acre lot • Built 1984

(443) 660-9229

New listings for sale in 21155

OPEN TODAY, 11AM TO 1PM

$3,200,000

6 beds7.5 baths8,676 sq ft

4300 Mount Zion Rd, Upperco, MD 21155

74.78 acre lot • 3 parking spots • Pool

(443) 901-2200

Home values near 3766 Black Rock Rd

Data from public records.

Address	Redfin Estimate
3708 Black Rock Road, Upperco, MD 3 Beds \| 1 Baths \| 1622 Sq. Ft.	$390,791
3814 Black Rock Road, Upperco, MD 3 Beds \| 2.5 Baths \| 2182 Sq. Ft.	$577,634
3758 Black Rock Road, Upperco, MD 4 Beds \| 3 Baths \| 2144 Sq. Ft.	$561,652
3738 Black Rock Road, Upperco, MD 4 Beds \| 2.5 Baths \| 1950 Sq. Ft.	$477,244
3810 Black Rock Road, Upperco, MD - Beds \| 2 Baths \| 2496 Sq. Ft.	$496,304
3831 Black Rock Road, Upperco, MD - Beds \| 2 Baths \| 2488 Sq. Ft.	$583,521
3648 Mount Zion Road, Upperco, MD - Beds \| 2 Baths \| 1968 Sq. Ft.	$438,822

Address	Redfin Estimate
3806 Black Rock Road, Upperco, MD - Beds \| 1 Baths \| 1218 Sq. Ft.	$378,803
3801 Black Rock Road, Upperco, MD - Beds \| 1 Baths \| 1572 Sq. Ft.	$392,501
3754 Black Rock Road, Upperco, MD 4 Beds \| 1.5 Baths \| 2364 Sq. Ft.	$487,896
3752 Black Rock Road, Upperco, MD 4 Beds \| 2 Baths \| 2016 Sq. Ft.	$404,219
3812 Black Rock Road, Upperco, MD - Beds \| 1 Baths \| 1456 Sq. Ft.	$329,149
3501 Mount Zion Road, Upperco, MD - Beds \| 1.5 Baths \| 3747 Sq. Ft.	$642,149
3644 Mount Zion Road, Upperco, MD - Beds \| 2 Baths \| 1804 Sq. Ft.	$450,713

Address	Redfin Estimate
3824 Black Rock Road, Upperco, MD 3 Beds \| 3.5 Baths \| 3166 Sq. Ft.	$578,252
3700 Black Rock Road, Upperco, MD - Beds \| 1 Baths \| 1568 Sq. Ft.	$375,406
3778 Black Rock Road, Upperco, MD 3 Beds \| 3 Baths \| 3760 Sq. Ft.	$753,740
3726 Black Rock Road, Upperco, MD - Beds \| 3 Baths \| 3056 Sq. Ft.	$805,613
3741 Black Rock Road, Upperco, MD 4 Beds \| 4 Baths \| 2700 Sq. Ft.	$675,618
3647 Mount Zion Road, Upperco, MD - Beds \| 1.5 Baths \| 1833 Sq. Ft.	$581,132
3701 Mount Zion Road, Upperco, MD - Beds \| 2.5 Baths \| 2362 Sq. Ft.	$449,447

Property information provided by BRIGHT MLS when last listed in 2010. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 21155, MD

Sale history for 3766 Black Rock Rd

Tax history for 3766 Black Rock Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 21155

Home values near 3766 Black Rock Rd

More real estate resources