$895,000

4331 Black Rock Rd Upperco, MD 21155

Estimated payment $5,440/month

Total Views 4,797
5 Beds
4 Baths
5,016 Sq Ft
$178 Price per Sq Ft

Highlights

  • Hot Property
  • Guest House
  • Private Pool
  • Fifth District Elementary School Rated A-
  • Horses Allowed On Property
  • Dual Staircase

About This Home

LOTS MORE PHOTOS TO COME! Welcome to Walnut Spring Farm in the Heart of the Hereford Zone — a truly special 11.7-acre property offering endless possibilities. This property conveys a 2–3 acre subdivision right or the option to place the land into preservation, this estate also includes a second dwelling — a charming carriage house that features a one bedroom loft, full bath, living room, laundry room, eat in kitchen, wood stove, privacy fenced patio area — adding even more versatility and value. The property is ideal as a homestead, multi-generational retreat, or legacy estate. Step inside the gorgeous four-level brick Victorian Farmhouse and be greeted by a spacious open foyer with hardwood floors and a beautiful turned staircase. The main level features high ceilings, a dining room with pocket doors, a living room with wood stove, built ins & pocket doors, a family room, and a large kitchen that flows into a sunny breakfast room overlooking panoramic countryside views. Second staircase in the kitchen leading to the second level, boasts three large bedrooms, a separate office/bonus, and a newly renovated full bath featuring a clawfoot tub, walk-in shower. The third upper level offers a cozy private primary suite with a living area and wood-burning stove, office space, bedroom, full bath with walk-in shower, laundry room closet. The full basement includes a half bath, 2nd laundry hook-up, and generous space for a workshop, gym, or additional storage — ready to be customized to your needs. Outside, you’ll find a screened in deck area to relax and enjoy the views. A large bank barn with six stalls, multiple paddocks with run-in sheds, and several outbuildings. A spring-fed stream runs through the property, providing year-round water access for animals. Previously used as a horse and alpaca farm, the land offers both functionality and beauty. Pool/hot tub and all dwellings/outbuildings being sold AS-IS.

Listing Agent

Patricia Leaf

(410) 329-2100 patty.leaf@penfedrealty.com Berkshire Hathaway HomeServices PenFed Realty Brokerage Phone: 4103292100 License #611468 Listed on: 06/01/2026

Berkshire Hathaway HomeServices PenFed Realty

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $7,335

Year Built

  • Built in 1916

Lot Details

  • 11.77 Acre Lot
  • Poultry Coop

Parking

  • 1 Car Detached Garage
  • Front Facing Garage
  • Driveway

Home Design

  • Traditional Architecture
  • Farmhouse Style Home
  • Victorian Architecture
  • Brick Exterior Construction
  • Stone Foundation

Interior Spaces

  • Property has 4 Levels
  • Dual Staircase
  • Built-In Features
  • Crown Molding
  • Ceiling Fan
  • Wood Burning Stove
  • Entrance Foyer
  • Family Room
  • Combination Dining and Living Room
  • Office or Studio
  • Bonus Room
  • Utility Room
  • Laundry Room
  • Wood Flooring
  • Breakfast Room

Bedrooms and Bathrooms

  • 5 Bedrooms
  • En-Suite Bathroom
  • Freestanding Bathtub
  • Soaking Tub
  • Walk-in Shower

Basement

  • Walk-Out Basement
  • Basement Fills Entire Space Under The House
  • Connecting Stairway
  • Side Basement Entry
  • Shelving
  • Basement with some natural light

Outdoor Features

  • Private Pool
  • Shed

Additional Homes

  • Guest House

Schools

  • Fifth District Elementary School
  • Hereford Middle School
  • Hereford High School

Farming

  • Hay Barn
  • Loafing Shed

Horse Facilities and Amenities

  • Horses Allowed On Property
  • Run-In Shed

Utilities

  • Central Air
  • Radiator
  • Heating System Uses Oil
  • Well
  • Electric Water Heater
  • Septic Tank

Community Details

  • No Home Owners Association
  • Upperco Subdivision

Listing and Financial Details

  • Assessor Parcel Number 04050519071460

Home Details

Home Type

Single Family

Est. Annual Taxes

$7,335

Year Built

Built in 1916

Lot Details

11.77 Acres

Parking

1

Listing Details

  • Property Type: Residential
  • Structure Type: Detached
  • Architectural Style: Victorian, Farmhouse/National Folk, Traditional
  • Ownership: Fee Simple
  • New Construction: No
  • Story List: Lower 1, Main, Upper 1, Upper 2
  • Expected On Market: 6/1/2026 12:00:00 AM
  • Year Built: 1916
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Interior Amenities: Additional Stairway, Bathroom - Soaking Tub, Bathroom - Walk-In Shower, Breakfast Area, Built-Ins, Ceiling Fan(s), Combination Dining/Living, Crown Moldings, Double/Dual Staircase, Primary Bath(s), Stove - Wood, Wood Floors
  • Fireplace: No
  • Foundation Details: Stone, Other
  • Levels Count: 4
  • Room List: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Kitchen, Family Room, Den, Foyer, Breakfast Room, Bedroom 1, Laundry, Utility Room, Bonus Room, Primary Bathroom, Full Bath, Half Bath
  • Basement: Yes
  • Basement Type: Connecting Stairway, Daylight, Partial, Full, Side Entrance, Shelving, Walkout Level
  • Total Sq Ft: 6184
  • Living Area Sq Ft: 5016
  • Price Per Sq Ft: 232.59
  • Above Grade Finished Sq Ft: 3848
  • Below Grade Finished Sq Ft: 1168
  • Below Grade Sq Ft: 1168
  • Total Below Grade Sq Ft: 2336
  • Above Grade Finished Area Units: Square Feet

Beds/Baths

  • Bedrooms: 5
  • Total Bathrooms: 4
  • Full Bathrooms: 2
  • Half Bathrooms: 2
  • Main Level Bathrooms: 1.00
  • Upper Level Bathrooms: 2
  • Lower Levels Bathrooms: 1
  • Upper Level Bathrooms: 1.00
  • Upper Level 2 Bathrooms: 1.00
  • Lower Levels Bathrooms: 1.00
  • Main Level Half Bathrooms: 1
  • Lower Level Half Bathroom: 1

Exterior Features

  • Other Structures: Above Grade, Below Grade
  • Other Structures List: Barn/Farm Building, Guest House, Hay Barn, Loafing Shed, Office/Studio, Poultry House, Run-in Shed, Shed
  • Construction Materials: Brick
  • Water Access: No
  • Waterfront: No
  • Water Oriented: No
  • Pool: Yes - Personal
  • Tidal Water: No
  • Water View: No

Garage/Parking

  • Garage Spaces: 1.00
  • Garage: Yes
  • Garage Features: Garage - Front Entry
  • Number Of Detached Garage Spaces: 1
  • Total Garage And Parking Spaces: 1
  • Type Of Parking: Detached Garage, Driveway

Utilities

  • Central Air Conditioning: Yes
  • Cooling Fuel: Electric
  • Cooling Type: Central A/C
  • Heating Fuel: Oil
  • Heating Type: Radiator
  • Heating: Yes
  • Hot Water: Electric
  • Sewer/Septic System: Private Septic Tank
  • Water Source: Well

Condo/Co-op/Association

  • Condo Co-Op Association: No
  • HOA: No
  • Senior Community: No

Schools

  • Elementary School Source: Listing Agent
  • High School Source: Listing Agent
  • Middle School Source: Listing Agent
  • School District Source: Listing Agent
  • Elementary School: FIFTH DISTRICT
  • High School: HEREFORD
  • Middle Or Junior School: HEREFORD

Lot Info

  • Horses: Yes
  • Horse Amenities: Horses Allowed
  • Lot Size Acres: 11.77
  • Lot Size Units: Square Feet
  • Lot Sq Ft: 512701.00
  • Zoning: A
  • In City Limits: No

Rental Info

  • Vacation Rental: No

Tax Info

  • Tax Annual Amount: 7335.00
  • Assessor Parcel Number: 04050519071460
  • County Tax Payment Frequency: Annually
  • Tax Year: 2025

MLS Schools

  • School District Name: BALTIMORE COUNTY PUBLIC SCHOOLS

Map

Range of Values:

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Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $6,325 $605,200 $127,300 $477,900
2024 $6,325 $583,100 $0 $0
2023 $3,035 $561,000 $0 $0
2022 $5,742 $538,900 $124,300 $414,600
2021 $5,431 $527,500 $0 $0
2020 $5,431 $516,100 $0 $0
2019 $5,318 $504,700 $124,300 $380,400
2018 $5,145 $481,633 $0 $0
2017 $4,934 $458,567 $0 $0
2016 $3,379 $435,500 $0 $0
2015 $3,379 $397,000 $0 $0
2014 $3,379 $358,500 $0 $0
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
06/01/2026 06/01/26 For Sale $895,000 +118.3% $178 / Sq Ft
05/31/2013 05/31/13 Sold $410,000 -3.5% $177 / Sq Ft View Prior Sale
04/17/2013 04/17/13 Pending -- -- --
04/12/2013 04/12/13 For Sale $425,000 0.0% $183 / Sq Ft
03/02/2013 03/02/13 Pending -- -- --
01/29/2013 01/29/13 For Sale $425,000 -- $183 / Sq Ft
Source: Bright MLS

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Deed -- None Listed On Document
Deed -- None Listed On Document
Deed $410,000 American Land Title Corp
Deed -- --
Deed -- --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Previous Owner $389,500 New Conventional
Source: Public Records

Source: Bright MLS

MLS Number: MDBC2163368

Bright MLS

APN: 05-0519071460

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