3660 Mill Green Rd Street, MD 21154
Estimated payment $8,636/month
Highlights
- Guest House
- Horses Allowed On Property
- Sauna
- Barn
- Tennis Courts
- Eat-In Gourmet Kitchen
About This Home
**MOTIVATED SELLER**
***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.
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $9,549
Year Built
- Built in 1800
Lot Details
- 44.97 Acre Lot
- Stone Retaining Walls
- Landscaped
- Extensive Hardscape
- Private Lot
- Secluded Lot
- Corner Lot
- Partially Wooded Lot
- Backs to Trees or Woods
- Property is in excellent condition
Parking
- 12 Car Detached Garage
- Front Facing Garage
- Circular Driveway
Property Views
- Panoramic
- Woods
- Creek or Stream
- Garden
Home Design
- Colonial Architecture
- Stone Foundation
- Plaster Walls
- Frame Construction
Interior Spaces
- Property has 3 Levels
- Dual Staircase
- Built-In Features
- Chair Railings
- Crown Molding
- Vaulted Ceiling
- Ceiling Fan
- Skylights
- Recessed Lighting
- 4 Fireplaces
- Awning
- Vinyl Clad Windows
- Palladian Windows
- Casement Windows
- Window Screens
- French Doors
- Atrium Doors
- Six Panel Doors
- Mud Room
- Great Room
- Family Room Off Kitchen
- Dining Room
- Den
- Bonus Room
- Sauna
- Home Gym
- Attic
Kitchen
- Eat-In Gourmet Kitchen
- Breakfast Room
- Six Burner Stove
- Range Hood
- Microwave
- Dishwasher
- Disposal
Flooring
- Wood
- Carpet
- Ceramic Tile
Bedrooms and Bathrooms
- En-Suite Primary Bedroom
- En-Suite Bathroom
- Walk-In Closet
Laundry
- Laundry Room
- Laundry on main level
- Dryer
- Washer
Partially Finished Basement
- Walk-Out Basement
- Connecting Stairway
- Rear Basement Entry
- Shelving
- Basement Windows
Home Security
- Security Gate
- Storm Windows
- Storm Doors
Outdoor Features
- Stream or River on Lot
- Tennis Courts
- Sport Court
- Patio
- Water Fountains
- Shed
- Porch
Schools
- North Harford Elementary And Middle School
- North Harford High School
Utilities
- Forced Air Heating and Cooling System
- Heat Pump System
- Vented Exhaust Fan
- Propane
- Well
- Electric Water Heater
- Septic Tank
- Septic Pump
Additional Features
- Guest House
- Barn
- Horses Allowed On Property
Community Details
- No Home Owners Association
Listing and Financial Details
- Assessor Parcel Number 1305031257
Map
Home Values in the Area
Average Home Value in this Area
Tax History
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 | $7,568 | $957,567 | $0 | $0 |
2024 | $7,568 | $876,100 | $189,900 | $686,200 |
2023 | $7,096 | $802,000 | $0 | $0 |
2022 | $7,147 | $727,900 | $0 | $0 |
2021 | $11,794 | $629,500 | $165,600 | $463,900 |
2020 | $6,977 | $599,400 | $0 | $0 |
2019 | $6,630 | $569,300 | $0 | $0 |
2018 | $6,189 | $539,200 | $179,600 | $359,600 |
2017 | $6,127 | $539,200 | $0 | $0 |
2016 | -- | $530,533 | $0 | $0 |
2015 | $6,553 | $526,200 | $0 | $0 |
2014 | $6,553 | $526,200 | $0 | $0 |
Property History
Date | Event | Price | Change | Sq Ft Price |
---|---|---|---|---|
07/30/2025 07/30/25 | Price Changed | $1,450,000 | -3.3% | $186 / Sq Ft |
06/27/2025 06/27/25 | Price Changed | $1,499,000 | -1.7% | $192 / Sq Ft |
06/12/2025 06/12/25 | Price Changed | $1,525,000 | -1.6% | $195 / Sq Ft |
05/28/2025 05/28/25 | Price Changed | $1,550,000 | -3.1% | $198 / Sq Ft |
04/22/2025 04/22/25 | Price Changed | $1,599,000 | -3.1% | $205 / Sq Ft |
04/03/2025 04/03/25 | Price Changed | $1,650,000 | -5.7% | $211 / Sq Ft |
03/16/2025 03/16/25 | Price Changed | $1,750,000 | -5.4% | $224 / Sq Ft |
02/26/2025 02/26/25 | For Sale | $1,850,000 | +76.2% | $237 / Sq Ft |
03/31/2021 03/31/21 | Sold | $1,050,000 | -16.0% | $144 / Sq Ft |
12/22/2020 12/22/20 | Pending | -- | -- | -- |
08/22/2019 08/22/19 | For Sale | $1,250,000 | -- | $172 / Sq Ft |
Purchase History
Date | Type | Sale Price | Title Company |
---|---|---|---|
Deed | $1,050,000 | Dulaney Title & Escrow Llc | |
Deed | $1,200,000 | -- | |
Deed | $300,000 | -- |
Mortgage History
Date | Status | Loan Amount | Loan Type |
---|---|---|---|
Open | $150,000 | Credit Line Revolving | |
Closed | $56,743 | Credit Line Revolving | |
Previous Owner | $840,000 | New Conventional | |
Previous Owner | $240,000 | No Value Available |
Source: Bright MLS
MLS Number: MDHR2040174

APN: 05-031257
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