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, 2 dwellings, all outbuildings being sold AS-IS.
Coming soon 06/01
$895,000
4331 Black Rock Rd, Upperco, MD 21155
5beds
5,016sqft
Est.: Get pre-qualified
Farm
Built in 1916
11.77 Acres Lot
$1,042,800 Zestimate®
$178/sqft
$-- HOA
What's special
- 9 days |
- 578 |
- 40 |
Zillow last checked:
Listing updated:
Listed by:
Patty Leaf 410-259-2925,
Berkshire Hathaway HomeServices PenFed Realty 4103292100
Source: Bright MLS,MLS#: MDBC2163376
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 4
- Full bathrooms: 2
- 1/2 bathrooms: 2
- Main level bathrooms: 1
Rooms
- Room types: 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
Primary bedroom
- Level: Upper
Bedroom 1
- Level: Upper
Bedroom 2
- Level: Upper
Bedroom 3
- Level: Upper
Bedroom 4
- Level: Upper
Primary bathroom
- Level: Upper
Bonus room
- Level: Lower
Breakfast room
- Level: Main
Den
- Level: Upper
Dining room
- Level: Main
Family room
- Level: Main
Foyer
- Level: Main
Other
- Level: Upper
Half bath
- Level: Main
Half bath
- Level: Lower
Kitchen
- Level: Main
Laundry
- Level: Lower
Laundry
- Level: Upper
Living room
- Level: Main
Living room
- Level: Upper
Utility room
- Level: Lower
Heating
- Radiator, Oil, Other
Cooling
- Central Air, Electric
Appliances
- Included: Electric Water Heater
- Laundry: Laundry Room
Features
- Additional Stairway, Soaking Tub, Bathroom - Walk-In Shower, Breakfast Area, Built-in Features, Ceiling Fan(s), Combination Dining/Living, Crown Molding, Double/Dual Staircase, Primary Bath(s)
- Flooring: Wood
- Basement: Connecting Stairway,Partial,Full,Side Entrance,Shelving,Walk-Out Access,Other
- Has fireplace: No
- Fireplace features: Wood Burning Stove
Interior area
- Total structure area: 6,184
- Total interior livable area: 5,016 sqft
- Finished area above ground: 3,848
- Finished area below ground: 1,168
Property
Parking
- Total spaces: 1
- Parking features: Garage Faces Front, Detached, Driveway
- Garage spaces: 1
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: None
Features
- Levels: Four
- Stories: 4
- Has private pool: Yes
- Pool features: Private
Lot
- Size: 11.77 Acres
Details
- Additional structures: Above Grade, Below Grade, Residence, Poultry Amenities, Shed(s)
- Parcel number: 04050519071460
- Zoning: A
- Special conditions: Standard
- Horses can be raised: Yes
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Victorian,Farmhouse/National Folk,Traditional
- Property subtype: Farm
Materials
- Brick
- Foundation: Stone, Other
Condition
- New construction: No
- Year built: 1916
Utilities & green energy
- Sewer: Private Septic Tank
- Water: Well
Community & HOA
Community
- Subdivision: Upperco
HOA
- Has HOA: No
Location
- Region: Upperco
Financial & listing details
- Price per square foot: $178/sqft
- Tax assessed value: $639,967
- Annual tax amount: $7,335
- Date on market: 6/1/2026
- Listing agreement: Exclusive Right To Sell
- Ownership: Fee Simple
Estimated market value
$1,042,800
$876,000 - $1.23M
$5,022/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/7/2013 | Sold | $410,000$82/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,644 -6% | $605,200 +3.8% |
| 2024 | $7,067 +3.9% | $583,100 +3.9% |
| 2023 | $6,799 +4.1% | $561,000 +4.1% |
| 2022 | $6,531 +2.2% | $538,900 +2.2% |
| 2021 | $6,393 +2.2% | $527,500 +2.2% |
| 2020 | $6,255 +2.3% | $516,100 +2.3% |
| 2019 | $6,117 +4.8% | $504,700 +4.8% |
| 2018 | $5,837 +5% | $481,633 +5% |
| 2017 | $5,558 +64.5% | $458,567 +5.3% |
| 2016 | $3,379 | $435,500 +9.7% |
| 2015 | $3,379 | $397,000 +10.7% |
| 2014 | $3,379 | $358,500 +12% |
| 2013 | -- | $320,000 |
| 2012 | -- | $320,000 |
| 2011 | -- | $320,000 -18.9% |
| 2010 | -- | $394,690 +12.4% |
| 2009 | -- | $351,276 +9.4% |
| 2008 | -- | $321,206 +21.5% |
| 2007 | -- | $264,450 +9.1% |
| 2006 | -- | $242,500 +10% |
| 2005 | -- | $220,550 +13% |
| 2003 | -- | $195,200 +1.8% |
| 2002 | -- | $191,800 +1.8% |
| 2001 | -- | $188,400 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 21155
Nearby schools
GreatSchools rating
- 9/10Fifth District Elementary SchoolGrades: K-5Distance: 1.7 mi
- 9/10Hereford Middle SchoolGrades: 6-8Distance: 8.1 mi
- 10/10Hereford High SchoolGrades: 9-12Distance: 7.8 mi
Schools provided by the listing agent
- Middle: Hereford
- High: Hereford
- District: Baltimore County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Maryland
- Baltimore County
- Hampstead
- 21155
- 4331 Black Rock Rd
Nearby cities
Nearby zip codes
Other Hampstead Topics
