This home's estimate is 3.9% higher than the average sale price ($493K) of 6 comparable homes.
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4321 Black Rock Rd, Hampstead, MD 21074
About this home
Total Uniqueness! Main level focuses on entertaining, huge kitchen with granite island. Tile backsplash w/ neutral shades, loads of cabinets & built ins. Main level opens to sunroom & large deck. Loads of parking & multiple garages incl 3.65 acres! Master BR offers add'l sitting area. 2 full baths. Hardwood floors in Living & Dining Rooms. Nicely Landscaped Lot. Original Owners w/ Updates!
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Market trends in 21074, MD
Last updated October 2026
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Sale history for 4321 Black Rock Rd
$111/sq ft
$111/sq ft
$111/sq ft





$125/sq ft
$25/sq ft
** Price available after signing in.
Tax history for 4321 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
- Public record
- Zoning
R-10,000
Residence, Urban District
The purpose of the R-10,000 District is primarily to provide a location within the designated growth areas for smaller lot sizes, generally a minimum of 10,000 sq ft for single and two-family dwellings, and multi-family dwellings when included in a planned unit development. The area should be served with public water and public sewerage facilities. The district would generally coincide with areas designated for high-density residential development in the Master PlanInclude but are not limited to:
- Agriculture
- Religious facility
- Housing-Single unit
- Housing-Multiple units
- Housing-Senior
- Public service
- Educational/school
- Planned unit development (pud)
Property details
Parking
- Parking Information
- Garage Features: Basement Garage, Garage Door Opener, Additional Storage Area, Underground
- # of Total Garage and Parking Spaces: 4
- Has Garage
- # of Garage Spaces: 4
- Garage, Paved Driveway, Attached, Detached
- Off Street, Driveway, Attached Garage, Detached Garage
Interior
- Bedroom Information
- # of Bedrooms On 1st Upper Level: 2
- Bathroom Information
- # of Bathrooms (Full) On 1st Upper Level: 1
- # of Bathrooms (Full) On Main Level: 1
- # of Bathrooms (Full): 2
- Interior Information
- Appliances: Dishwasher, Exhaust Fan, Icemaker, Microwave, Oven - Wall, Stove
- Door Features: Storm
- Entry Location: Living Room
- Interior Features: Kitchen - Island, Kitchen - Table Space, Dining Area, Kitchen - Eat-In, Built-Ins, Upgraded Countertops, Wood Floors, Floor Plan - Traditional
- Living Area Sq.Ft. Source: Estimated
- Room Information
- Living Room, Dining Room, Master Bedroom, Bedroom 2, Kitchen, Family Room, Den, Sun/Florida Room, Storage Room, Workshop
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 1
- Screen
- Basement Information
- Basement: Yes
- Outside Entrance, Rear Entrance, Partially Finished, Unfinished, Walkout Stairs, Windows, Workshop
Exterior
- Property Information
- Total Below Grade Sq. Ft.: 407
- Improvement Assessed Value: $174,900
- Ownership Interest: Fee Simple
- Property Condition: Very Good
- Year Built Source: Estimated
- Building Information
- Construction Materials: Stone, Aluminum Siding
- Other Structures: Above Grade, Below Grade
- Outdoor Living Structures: Deck(s), Porch(es)
- Structure Type: Detached
- Other Structures: Other
- Lot Information
- Lot Features: Cleared, Landscaping
- Tidal Water: No
- Land Information
- Land Assessed Value: $153,200
- Above Grade Information
- Finished Sq.Ft.: 2,555
- Finished Sq.Ft. Source: Estimated
- Below Grade Information
- Finished Sq.Ft.: 407
- Finished Sq.Ft. Source: Estimated
Financial
- Tax Information
- County Tax: $3,756.12
- Tax Assessed Value: $328,100
- Tax Year: 2016
- Tax Annual Amount: $3,816.12
- Assessments Information
- Special Assessment Payment: Annually
- Year Assessed: 2017
Utilities
- Utilities Information
- Cooling Type: Heat Pump(s)
- Cooling Fuel: Electric
- Heat Pump(s), Radiator, Baseboard - Electric
- Heating Fuel: Oil, Electric
- Hot Water: Oil
- Sewer Septic: Septic Exists
- Cable TV Available
- Water Source: Well
Location
- School Information
- School District Name: CARROLL COUNTY PUBLIC SCHOOLS
- Location Information
- Directions: Rt 30 North, Right onto Gill Ave. , Right onto Black Rock Rd, pass Leister's Park to the property on the right.
Public facts
- Beds: 4
- Baths: 2.0
- Sq. Ft.: 2,962
- Stories: 2.0
- Parking Spaces: 6
- Basement: Yes
- Accessible: Yes
- Lot Size: 4 square feet
- Style: Single Family Residential
- Year Built: 1949
- Year Renovated: 2023
- County: Carroll County
- APN: 08 009023
- HOA Dues: —
- Garage: Yes
- Features: Views, Pool
Around this home
Schools
- K - 12
- Preschool & daycare
Public PreK-5 • Assigned • 0.7mi
Public 6-8 • Assigned • 1.1mi
Public 9-12 • Assigned • 4.0mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
0.31% chance of being in a wildfire in next 30 years
7 days above 101° expected this year, 15 days in 30 years
14% chance of strong winds in next 30 years
2 unhealthy days expected this year, 4 days in 30 years
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.
Nearby similar homes
New listings for sale in 21074
Home values near 4321 Black Rock Rd
| Address | Redfin Estimate |
|---|---|
- Beds | 2 Baths | 2012 Sq. Ft. | $431,644 |
3 Beds | 2 Baths | 1516 Sq. Ft. | $331,740 |
- Beds | 3.5 Baths | 2544 Sq. Ft. | $582,878 |
5 Beds | 2.5 Baths | 3152 Sq. Ft. | $374,378 |
3 Beds | 3 Baths | 2896 Sq. Ft. | $525,148 |
- Beds | 1.5 Baths | 1410 Sq. Ft. | $271,245 |
3 Beds | 1.5 Baths | 1082 Sq. Ft. | $259,825 |
| Address | Redfin Estimate |
|---|---|
- Beds | 1 Baths | 1973 Sq. Ft. | $304,835 |
- Beds | 3 Baths | 2877 Sq. Ft. | $540,539 |
3 Beds | 2 Baths | 1718 Sq. Ft. | $365,562 |
- Beds | 3 Baths | 2194 Sq. Ft. | $832,532 |
3 Beds | 2.5 Baths | 1282 Sq. Ft. | $352,366 |
3 Beds | 3 Baths | 1344 Sq. Ft. | $237,685 |
- Beds | 1 Baths | 1302 Sq. Ft. | $245,837 |
| Address | Redfin Estimate |
|---|---|
- Beds | 2 Baths | 2240 Sq. Ft. | $356,606 |
- Beds | 1 Baths | 1008 Sq. Ft. | $288,124 |
3 Beds | 2.5 Baths | 2351 Sq. Ft. | $521,404 |
4 Beds | 3.5 Baths | 2550 Sq. Ft. | $547,317 |
3 Beds | 1.5 Baths | 1632 Sq. Ft. | $300,970 |
- Beds | 1 Baths | 1302 Sq. Ft. | $281,653 |
- Beds | 1 Baths | 1632 Sq. Ft. | $255,457 |
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