3660 Mill Green Rd

Street, MD 21154

$1,395,000
Last Sold Price
7
Beds
7,816 Sq. Ft.
$178 / Sq. Ft.
7,816
Sq. Ft.
$178
per Sq. Ft.
Get preapproved with Rocket Mortgage1
Closed 5/29/26Virtual Tour
Closed 5/29/26Virtual Tour
Easement Graphic

Description

Seller prequires preapproval letter or proof of funds prior to scheduling a showing. 45 acre estate that harmoniously melds Maryland's rich history with modern luxury along the tranquil banks of Broad Creek. This property is a historical gem with a plethora of features that cater to both comfort and style. Recent Improvements:
2024 – New electric service line to lower garage. Entire interior of house painted. New basement carpets. Basement refinished and updated. Primary bathroom renovated. 14 Window/Door...Seller prequires preapproval letter or proof of funds prior to scheduling a showing. 45 acre estate that harmoniously melds Maryland's rich history with modern luxury along the tranquil banks of Broad Creek. This property is a historical gem with a plethora of features that cater to both comfort and style. Recent Improvements:
2024 – New electric service line to lower garage. Entire interior of house painted. New basement carpets. Basement refinished and updated. Primary bathroom renovated. 14 Window/Door glass replacement. Deck refinished. New water heater for main house.
2023 – Wood pellet stove installed. Water treatment installed. Barn painted.
2022 – New HVAC system in Great Room. New roof on center section of main house. Replaced 4’ of slate roof and all snow guards. Replaced all water hydrants throughout property. New circuit breaker box installed at tennis court. Woodburning stove insert installed.
2021-2023 – Cottage COMPLETELY GUTTED to studs and completely renovated. New 1st floor joists/mud sill, all new insulation, 200 AMP service, all new electric, plumbing, roof, gutters, siding, windows, doors HVAC, appliances, hardwood floors, gas fireplace, propane tank (owned).
2021 – Septic system repair/upgrade: 2 new septic tanks; 1 new pump chamber and force main. New service line to cottage. Bathrooms upgraded and all new toilets.
2020 - Driveway replace. Property Features: Historic Charm Meets Modern Luxury : Step inside the main residence where classic millwork and hardwood floors create an inviting atmosphere. With six fireplaces dotting the space, this home seamlessly integrates historic elegance with a contemporary family area. The sunlit Great Room offers breathtaking views, perfect for both relaxation and entertainment. Chef's Kitchen : Culinary enthusiasts will appreciate the chef's kitchen, which balances old-world charm with state-of-the-art amenities. It beautifully centers around a preserved 1743 structure, blending tradition with modern functionality. Rustic Appeal : A restored mill adds a unique rustic touch, while a renovated guest cottage provides a cozy retreat for visitors or potential rental income. Expansive Outdoor Amenities : Enjoy luxurious outdoor living with a tennis court, stable barn, and a 12-car garage surrounded by lush woodlands. A serene pond on the property can be transformed into a sparkling swimming pool, perfect for summer gatherings. Grounds and Landscaping : The enchanting landscaping enhances the property's natural beauty, while every detail, from the re-pointed mill to the meticulously maintained gardens, speaks to the estate's storied past. Historical Significance:
- This estate is recognized on the National Historic Registry and the Maryland Register of Historic Places , emphasizing its cultural importance.
- It is a designated site on the National Underground Railroad Network to Freedom , being the birthplace of Margaret Morgan and the only privately held site in Harford County related to this historic movement.
- While the property holds significant historical value, it is not on the Harford County Register of Historic Places , allowing for flexibility in renovations without needing approval, though owners may seek this designation for access to tax breaks and grants for preservation efforts. Additional Information: Conservation Easement : Detailed information regarding conservation easement, Maryland Environmental Trust involvement, tax benefits, and a comprehensive forest management plan is available for interested buyers. Hunting Lease : The property currently has a lease agreement with the Chesapeake Area Bowhunters, which can be terminated if desired or transferred to the new owners with a possible prorated reimbursement. Well Inspection : A well inspection was completed to document the well on record with Harford County, following renovations of the cottage between 2021-2023.

Property Details for 3660 Mill Green Road

Tax ID Number
1305031257
Ownership
Fee Simple
Condo Coop Association
No
HOA
No
Structure Type
Detached
Style
Colonial
Levels/Stories
3
Waterfront
No
LISTING UPDATED: 05/29/2026 05:56 PM

Property Details for 3660 Mill Green Road

StatusClosed
MLS #MDHR2040174
Days on Market347
Taxes$9,549 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Fee Simple
Year Built1800
Lot Size44.97 AC / 1,958,893 SF
CountyHarford County
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Location

Listing Courtesy of RE/MAX Advantage Realty

Sold By Whitetail Properties Real Estate, LLC

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Building Information for 3660 Mill Green Road

Stories3Year Built1800Building Size-Lot Size44.97 AC / 1,958,893 SF

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$7,747 per month

30 year fixed, 6.36% Interest

Principal and Interest

$6,951

Property Taxes

$796

HOA Dues

$0

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Property Information for 3660 Mill Green Road

Location
Location
  • In City Limits: No
  • School District Name: HARFORD COUNTY PUBLIC SCHOOLS
  • School District County ID: 121139964110
  • SchoolDistrictSource: Listing Agent
  • Elementary School: NORTH HARFORD (HARFORD MD)
  • ElementarySchoolSource: Listing Agent
  • Middle Or Junior School: NORTH HARFORD (HARFORD MD)
  • MiddleSchoolSource: Listing Agent
  • High School: NORTH HARFORD (HARFORD MD)
  • HighSchoolSource: Listing Agent
  • County: HARFORD
Waterfront / Water Access
Waterfront / Water Access
  • Water View: Yes
  • Water Access: No
  • Water Oriented: No
  • Navigable Water: No
  • Tidal Water: No
  • Riparian Rights Y/N: No
Association / Community Info
Association / Community Info
  • Senior Community: No
Taxes and Assessment
Taxes and Assessment
  • Tax Year: 2024
  • Tax Assessed Value: $876,000
  • Zoning: R
  • Automatically Update Tax Values Y/N: Yes
Rooms
Main
  • # Bedrooms Count Main Level: 1
  • # Bathrooms Count Main Level: 1
  • # Bathrooms Full Main Level: 1
  • # Bathrooms Half Main Level: 0
All Upper Levels
  • # Bedrooms Count All Upper Levels: 6
  • # Bathrooms Count All Upper Levels: 4
  • # Bathrooms Full All Upper Levels: 4
  • # Bathrooms Half All Upper Levels: 0
Upper Level 1
  • # Bedrooms Count Upper Level: 6
  • # Bathrooms Count Upper Level: 4
  • # Bathrooms Full Upper Level: 4
  • # Bathrooms Half Upper Level: 0
All Lower Levels
  • # Bedrooms All Lower Levels: 0
  • # Bathrooms All Lower Levels: 1
  • # Bathrooms Full All Lower Levels: 1
  • # Bathrooms Half All Lower Levels: 0
Lower Level 1
  • # Bedrooms Lower Level: 0
  • # Bathrooms Lower Level: 1
  • # Bathrooms Full Lower Level: 1
  • # Bathrooms Half Lower Level: 0
Rooms
  • Room List: Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Kitchen, Family Room, Breakfast Room, Bedroom 1, Exercise Room, Great Room, Laundry, Mud Room, Office, Bedroom 6, Bathroom 2, Bathroom 3, Bonus Room, Primary Bathroom, Full Bath
  • Stories: Lower 1, Main, Upper 1
Rooms Information
Room 1
  • Room Type: Bedroom 4
  • Room Length: 16.0
  • Room Width: 13.0
  • Room Level: Upper 1
  • Room Exists: Yes
Room 2
  • Room Type: Bathroom 2
  • Room Level: Upper 1
  • Room Exists: Yes
Room 3
  • Room Type: Bedroom 5
  • Room Length: 19.0
  • Room Width: 11.0
  • Room Level: Upper 1
  • Room Exists: Yes
Room 4
  • Room Type: Breakfast Room
  • Room Length: 11.0
  • Room Width: 9.0
  • Room Level: Main
  • Room Exists: Yes
Room 5
  • Room Type: Family Room
  • Room Length: 28.0
  • Room Width: 22.0
  • Room Level: Lower 1
  • Room Exists: Yes
Room 6
  • Room Type: Laundry
  • Room Length: 10.0
  • Room Width: 9.0
  • Room Level: Main
  • Room Exists: Yes
Room 7
  • Room Type: Primary Bedroom
  • Room Length: 15.0
  • Room Width: 14.0
  • Room Level: Upper 1
  • Room Exists: Yes
  • Room Features: Flooring - Carpet
Room 8
  • Room Type: Primary Bathroom
  • Room Level: Upper 1
  • Room Exists: Yes
Room 9
  • Room Type: Bedroom 2
  • Room Level: Upper 1
  • Room Exists: Yes
Room 10
  • Room Type: Bedroom 3
  • Room Length: 15.0
  • Room Width: 12.0
  • Room Level: Upper 1
  • Room Exists: Yes
Room 11
  • Room Type: Bathroom 3
  • Room Level: Upper 1
  • Room Exists: Yes
Room 12
  • Room Type: Exercise Room
  • Room Level: Lower 1
  • Room Exists: Yes
Room 13
  • Room Type: Full Bath
  • Room Level: Lower 1
  • Room Exists: Yes
Room 14
  • Room Type: Bonus Room
  • Room Level: Lower 1
  • Room Exists: Yes
  • Room Features: Fireplace - Wood Burning
Room 15
  • Room Type: Bedroom 6
  • Room Level: Upper 1
  • Room Exists: Yes
Room 16
  • Room Type: Full Bath
  • Room Level: Upper 1
  • Room Exists: Yes
Room 17
  • Room Type: Bedroom 1
  • Room Level: Main
  • Room Exists: Yes
Room 18
  • Room Type: Full Bath
  • Room Level: Main
  • Room Exists: Yes
Room 19
  • Room Type: Kitchen
  • Room Length: 20.0
  • Room Width: 17.0
  • Room Level: Main
  • Room Exists: Yes
Room 20
  • Room Type: Dining Room
  • Room Length: 18.0
  • Room Width: 12.0
  • Room Level: Main
  • Room Exists: Yes
  • Room Features: Fireplace - Other
Room 21
  • Room Type: Family Room
  • Room Length: 19.0
  • Room Width: 12.0
  • Room Level: Main
  • Room Exists: Yes
  • Room Features: Fireplace - Wood Burning
Room 22
  • Room Type: Great Room
  • Room Length: 27.0
  • Room Width: 27.0
  • Room Level: Main
  • Room Exists: Yes
  • Room Features: Fireplace - Gas
Room 23
  • Room Type: Office
  • Room Length: 16.0
  • Room Width: 13.0
  • Room Level: Main
  • Room Exists: Yes
  • Room Features: Fireplace - Other
Room 24
  • Room Type: Mud Room
  • Room Level: Main
  • Room Exists: Yes
  • Room Features: Fireplace - Wood Burning
Building Info
Building Info
  • Total Finished SQFT: 7,816.00
  • Total Finished SQFT Source: Assessor
  • Total SQFT: 11,416.00
  • Total SQFT Source: Assessor
  • Construction Materials: Frame
  • Ext Main Mid-res: http://bright-media02.prd.brightmls.com/bright/images/0000/8032/4129/8020/803241298020_512_384_WM_4FzdwpWclE5VJ5fq.jpg
  • Wall and Ceiling Types: 2 Story Ceilings, 9'+ Ceilings, Dry Wall, Plaster Walls, Vaulted Ceilings
  • Flooring Type: Carpet, Ceramic Tile, Hardwood
  • Basement Type: Connecting Stairway, Partially Finished, Improved, Outside Entrance, Rear Entrance, Shelving, Walkout Level, Windows
  • Foundation Details: Stone, Other
  • Room and Floor: Bedrooms-Main Level-1, Bathrooms Full-Main Level-1, Bedrooms-Upper Level 1-1, Bedrooms-Upper Level 1-2, Bedrooms-Upper Level 1-3, Bedrooms-Upper Level 1-4, Bedrooms-Upper Level 1-5, Bedrooms-Upper Level 1-6, Bathrooms Full-Upper Level 1-1, Bathrooms Full-Upper Level 1-2, Bathrooms Full-Upper Level 1-3, Bathrooms Full-Upper Level 1-4, Bathrooms Full-Lower Level 1-1
  • # Bathrooms Full: 6
  • # Bathrooms Half: 0
  • Other Structure: Barn, Garage(s), Guest House, Shed
Lot / Land Information
Lot / Land Information
  • Lot Size Source: Assessor
  • Lot Features: Backs to Trees, Corner, Landscaping, Partly Wooded, Private, Secluded, Stream/Creek, Trees/Wooded
  • Parcel ID: 5522313
Parking
Parking
  • Type Of Parking: Detached Garage
  • Num of Detached Garage Spaces: 12
  • Total Garage Spaces: 12
  • Parking Features: Asphalt Driveway, Circular Driveway, Paved Driveway
  • Garage Features: Oversized, Garage - Front Entry
Interior Features
Interior Features
  • Interior Features: Attic, Breakfast Area, Built-Ins, Carpet, Ceiling Fan(s), Chair Railings, Crown Moldings, Double/Dual Staircase, Family Room Off Kitchen, Kitchen - Eat-In, Kitchen - Gourmet, Kitchen - Table Space, Primary Bath(s), Recessed Lighting, Sauna, Skylight(s), Walk-in Closet(s), Wood Floors
  • Fireplace: Yes
  • Fireplaces Count: 4
  • Appliances: Dishwasher, Disposal, Dryer, Exhaust Fan, Microwave, Range Hood, Refrigerator, Six Burner Stove, Washer, Water Heater
  • Accessibility Features: None
  • Security Features: Security Gate
  • Door Features: Atrium, French, Six Panel, Storm
  • Window Features: Casement, Palladian, Screens, Skylights, Storm, Vinyl Clad
  • Laundry Type: Main Floor
  • Virtual Tour URL Unbranded: https://youtu.be/DGKdTJs51so
Exterior Features
Exterior Features
  • Exterior Features: Awning(s), Extensive Hardscape, Sidewalks, Sport Court, Stone Retaining Walls, Tennis Court(s), Water Fountains
  • Outdoor Living Structures: Patio(s), Porch(es)
  • Pool: No Pool
  • Horse: Yes
Utilities
Utilities
  • Utilities: Propane
  • Heating: Yes
  • Cooling Type: Central A/C, Ceiling Fan(s)
  • Cooling Fuel: Electric
  • Heating Type: Forced Air, Heat Pump(s)
  • Heating Fuel: Electric
  • Hot Water: Electric
  • Water Source: Well
  • Sewer Septic: Septic Exists, Septic Pump
  • Internet Services: Fixed Wireless
Confidential Data
Listing Office
  • List Agent AOR: Greater Baltimore Board of REALTORS

Property History for 3660 Mill Green Road

DateEvent & SourcePriceAppreciation
May 29, 2026

Closed

BRIGHT #MDHR2040174

$1,395,000—
Mar 29, 2026

Pending

BRIGHT #MDHR2040174

—
Mar 29, 2026

Active Under Contract

BRIGHT #MDHR2040174

—
DateEvent & SourcePrice
05/29/2026

Closed

BRIGHT #MDHR2040174

$1,395,000
03/29/2026

Pending

BRIGHT #MDHR2040174

—
03/29/2026

Active Under Contract

BRIGHT #MDHR2040174

—

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 3660 Mill Green Road

Taxable ValueLand-Additions-Total-
Tax Record2025$7,568 ($631 / month)
Home Facts
Beds0Baths4Total Finished SqFt6,736 SqFtAbove Grade Finished SqFt6,736 SqFtStories2Lot Size1,958,893 SqFtStyleSingle Family ResidenceYear Built1800ZoningAGCountyHARFORDAPN05-031257Fireplace TypeHas Fireplace

Schools near 3660 Mill Green Road

This home is within Harford County Public Schools.
Rating
School
Type
Grades
Distance
North Harford Elementary School
Public - PK to 5
North Harford Middle School
Public - 6 to 8
North Harford High School
Public - 9 to 12
Harford Technical High School
Public - 9 to 12
Rating
School
Distance
North Harford Elementary School
PublicPK to 5

North Harford Middle School
Public6 to 8

North Harford High School
Public9 to 12

Harford Technical High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Listing Courtesy of RE/MAX Advantage Realty

© 2026 Bright MLS. All rights reserved. All information is deemed reliable, but accuracy is not guaranteed. Listing information is from various brokers who participate in IDX and not all listings may be visible on the site. The property information being provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated on 05/29/2026 05:56 PM