3660 Mill Green Rd
Street, MD 21154

$1,395,000

Price

Beds

Baths

7,816 Sq. Ft.

$178 / Sq. Ft.

7,816

Sq. Ft.

$178

per Sq. Ft.

Virtual Tour

3660 Mill Green Road Street, MD 21154 - Photo 1 of 145

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.

Listed by Tressa S Manna • RE/MAX Advantage Realty
P: (410)-375-6005 tressa@greatestmoves.com
Listed by Ronald W. Howard • RE/MAX Advantage Realty
P: (443)-414-3338 sales@greatestmoves.com

Property Details for 3660 Mill Green Road

Tax ID Number

1305031257

Ownership

Fee Simple

Condo Coop Association

HOA

Structure Type

Detached

Style

Colonial

Levels/Stories

Waterfront

LISTING UPDATED: 01/16/2026 10:25 PM

Property Details for 3660 Mill Green Road

Status	Active
MLS #	MDHR2040174
Days on Market	280
Taxes	$9,549 / year
HOA Fees	-
Condo/Co-op Fees	-
Compass Type	Single Family
MLS Type	Residential / Fee Simple
Year Built	1800
Lot Size	44.97 AC / 1,958,893 SF
County	Harford County

Location

Compass
MD
Harford County
Street
21154
3660 Mill Green Rd

Listing Courtesy of RE/MAX Advantage Realty

Add your commute

Virtual Tour

Building Information for 3660 Mill Green Road

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

Payment Calculator

$7,595 per month

30 year fixed, 6.15% Interest

Principal and Interest

$6,799

Property Taxes

$796

HOA Dues

The Payment Calculator is for illustrative purposes only.

Property Information for 3660 Mill Green Road

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

Water View: Yes
Water Access: No

Water Oriented: No
Navigable Water: No
Tidal Water: No
Riparian Rights Y/N: No

Association / Community Info

Senior Community: No

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: 2

# Bathrooms Full Main Level: 1
# Bathrooms Half Main Level: 1

All Upper Levels

# Bedrooms Count All Upper Levels: 6
# Bathrooms Count All Upper Levels: 4

# Bathrooms Full All Upper Levels: 4

Upper Level 1

# Bedrooms Count Upper Level: 6
# Bathrooms Count Upper Level: 4

# Bathrooms Full Upper Level: 4

All Lower Levels

# Bathrooms All Lower Levels: 1
# Bathrooms Full All Lower Levels: 1

Lower Level 1

# Bathrooms Lower Level: 1
# Bathrooms Full Lower Level: 1

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: Kitchen
Room Length: 20.0

Room Width: 17.0
Room Level: Main
Room Exists: Yes

Room 2

Room Type: Dining Room
Room Length: 18.0

Room Width: 12.0
Room Level: Main
Room Exists: Yes
Room Features: Fireplace - Other

Room 3

Room Type: Family Room
Room Length: 19.0

Room Width: 12.0
Room Level: Main
Room Exists: Yes
Room Features: Fireplace - Wood Burning

Room 4

Room Type: Great Room
Room Length: 27.0

Room Width: 27.0
Room Level: Main
Room Exists: Yes
Room Features: Fireplace - Gas

Room 5

Room Type: Office
Room Length: 16.0

Room Width: 13.0
Room Level: Main
Room Exists: Yes
Room Features: Fireplace - Other

Room 6

Room Type: Mud Room
Room Level: Main

Room Exists: Yes
Room Features: Fireplace - Wood Burning

Room 7

Room Type: Laundry
Room Length: 10.0

Room Width: 9.0
Room Level: Main
Room Exists: Yes

Room 8

Room Type: Primary Bedroom
Room Length: 15.0

Room Width: 14.0
Room Level: Upper 1
Room Exists: Yes
Room Features: Flooring - Carpet

Room 9

Room Type: Primary Bathroom
Room Level: Upper 1

Room Exists: Yes

Room 10

Room Type: Bedroom 2
Room Level: Upper 1

Room Exists: Yes

Room 11

Room Type: Bedroom 3
Room Length: 15.0

Room Width: 12.0
Room Level: Upper 1
Room Exists: Yes

Room 12

Room Type: Bedroom 4
Room Length: 16.0

Room Width: 13.0
Room Level: Upper 1
Room Exists: Yes

Room 13

Room Type: Bathroom 2
Room Level: Upper 1

Room Exists: Yes

Room 14

Room Type: Bathroom 3
Room Level: Upper 1

Room Exists: Yes

Room 15

Room Type: Bedroom 5
Room Length: 19.0

Room Width: 11.0
Room Level: Upper 1
Room Exists: Yes

Room 16

Room Type: Breakfast Room
Room Length: 11.0

Room Width: 9.0
Room Level: Main
Room Exists: Yes

Room 17

Room Type: Family Room
Room Length: 28.0

Room Width: 22.0
Room Level: Lower 1
Room Exists: Yes

Room 18

Room Type: Exercise Room
Room Level: Lower 1

Room Exists: Yes

Room 19

Room Type: Full Bath
Room Level: Lower 1

Room Exists: Yes

Room 20

Room Type: Bonus Room
Room Level: Lower 1

Room Exists: Yes
Room Features: Fireplace - Wood Burning

Room 21

Room Type: Bedroom 6
Room Level: Upper 1

Room Exists: Yes

Room 22

Room Type: Full Bath
Room Level: Upper 1

Room Exists: Yes

Room 23

Room Type: Bedroom 1
Room Level: Main

Room Exists: Yes

Room 24

Room Type: Full Bath
Room Level: Main

Room Exists: Yes

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, Bathrooms Half-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: 1
Other Structure: Barn, Garage(s), Guest House, Shed

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

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: 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: 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: 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

Date	Event & Source	Price	Appreciation
Jan 15, 2026	Listed (Active) BRIGHT #MDHR2040174	$1,395,000	—
Nov 25, 2025	Active Under Contract BRIGHT #MDHR2040174		—
Sep 29, 2025	Price Change BRIGHT #MDHR2040174	$1,395,000	—
Jul 30, 2025	Price Change BRIGHT #MDHR2040174	$1,450,000	—
Jun 27, 2025	Price Change BRIGHT #MDHR2040174	$1,499,000	—
Jun 12, 2025	Price Change BRIGHT #MDHR2040174	$1,525,000	—
May 28, 2025	Price Change BRIGHT #MDHR2040174	$1,550,000	—
Apr 22, 2025	Price Change BRIGHT #MDHR2040174	$1,599,000	—
Apr 3, 2025	Price Change BRIGHT #MDHR2040174	$1,650,000	—
Mar 16, 2025	Price Change BRIGHT #MDHR2040174	$1,750,000	—
Feb 26, 2025	Listed (Active) BRIGHT #MDHR2040174	$1,850,000	—
Dec 3, 2024	Expired BRIGHT #MDHR2033472		—
Nov 13, 2024	Price Change BRIGHT #MDHR2033472	$1,750,000	—
Oct 21, 2024	Price Change BRIGHT #MDHR2033472	$1,845,000	—
Oct 7, 2024	Price Change BRIGHT #MDHR2033472	$1,895,000	—
Sep 20, 2024	Price Change BRIGHT #MDHR2033472	$1,950,000	—
Sep 10, 2024	Price Change BRIGHT #MDHR2033472	$1,975,000	—
Aug 28, 2024	Price Change BRIGHT #MDHR2033472	$2,000,000	—
Jul 26, 2024	Listed (Active) BRIGHT #MDHR2033472	$2,100,000	—
Mar 31, 2021	Closed BRIGHT #MDHR238024	$1,050,000	—
Mar 31, 2021	Closed BRIGHT #MDHR237338	$1,050,000	—
Mar 29, 2021	Closed (Public Record) Public Record #1462232000	$1,050,000	—
Mar 29, 2021	Closed (Public Record) Public Record #1462232000	$1,050,000	—
Dec 22, 2020	Pending BRIGHT #MDHR238024		—
Dec 22, 2020	Pending BRIGHT #MDHR237338		—
Aug 29, 2019	Listed (Active) BRIGHT #MDHR238024	$1,250,000	—
Aug 22, 2019	Listed (Active) BRIGHT #MDHR237338	$1,250,000	—
Sep 15, 2018	Expired BRIGHT #1001848366	$1,100,000	—
Jun 13, 2018	Withdrawn BRIGHT #1000113241		—
Jun 13, 2018	Listed (Active) BRIGHT #1001848366	$1,100,000	—
Sep 11, 2017	Listed (Active) BRIGHT #1000113241	$1,550,000	—

Date	Event & Source	Price
01/15/2026	Listed (Active) BRIGHT #MDHR2040174	$1,395,000
11/25/2025	Active Under Contract BRIGHT #MDHR2040174	—
09/29/2025	Price Change BRIGHT #MDHR2040174	$1,395,000
07/30/2025	Price Change BRIGHT #MDHR2040174	$1,450,000
06/27/2025	Price Change BRIGHT #MDHR2040174	$1,499,000
06/12/2025	Price Change BRIGHT #MDHR2040174	$1,525,000
05/28/2025	Price Change BRIGHT #MDHR2040174	$1,550,000
04/22/2025	Price Change BRIGHT #MDHR2040174	$1,599,000
04/03/2025	Price Change BRIGHT #MDHR2040174	$1,650,000
03/16/2025	Price Change BRIGHT #MDHR2040174	$1,750,000
02/26/2025	Listed (Active) BRIGHT #MDHR2040174	$1,850,000
12/03/2024	Expired BRIGHT #MDHR2033472	—
11/13/2024	Price Change BRIGHT #MDHR2033472	$1,750,000
10/21/2024	Price Change BRIGHT #MDHR2033472	$1,845,000
10/07/2024	Price Change BRIGHT #MDHR2033472	$1,895,000
09/20/2024	Price Change BRIGHT #MDHR2033472	$1,950,000
09/10/2024	Price Change BRIGHT #MDHR2033472	$1,975,000
08/28/2024	Price Change BRIGHT #MDHR2033472	$2,000,000
07/26/2024	Listed (Active) BRIGHT #MDHR2033472	$2,100,000
03/31/2021	Closed BRIGHT #MDHR238024	$1,050,000
03/31/2021	Closed BRIGHT #MDHR237338	$1,050,000
03/29/2021	Closed (Public Record) Public Record #1462232000	$1,050,000
03/29/2021	Closed (Public Record) Public Record #1462232000	$1,050,000
12/22/2020	Pending BRIGHT #MDHR238024	—
12/22/2020	Pending BRIGHT #MDHR237338	—
08/29/2019	Listed (Active) BRIGHT #MDHR238024	$1,250,000
08/22/2019	Listed (Active) BRIGHT #MDHR237338	$1,250,000
09/15/2018	Expired BRIGHT #1001848366	$1,100,000
06/13/2018	Withdrawn BRIGHT #1000113241	—
06/13/2018	Listed (Active) BRIGHT #1001848366	$1,100,000
09/11/2017	Listed (Active) BRIGHT #1000113241	$1,550,000

For completeness, Compass 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
7/10	North Harford Elementary School	Public - Serves this home	PK to 5	4.4 mi
6/10	North Harford Middle School	Public - Serves this home	6 to 8	4.5 mi
6/10	North Harford High School	Public - Serves this home	9 to 12	4.3 mi
8/10	Harford Technical High School	Public - Choice school	9 to 12	7.6 mi
NR	Harford Academy at Campus Hills	Public - Choice school	PK to 12	7.8 mi
NR	Restoration Alternative Academy Charter School	Charter - Nearby school	6 to 11	13.1 mi
NR	Harford Christian School	Private - Nearby school	K to 12	2.3 mi


Rating	School	Distance
7/10	North Harford Elementary School PublicPK to 5 Serves this home	4.4 mi
6/10	North Harford Middle School Public6 to 8 Serves this home	4.5 mi
6/10	North Harford High School Public9 to 12 Serves this home	4.3 mi
8/10	Harford Technical High School Public9 to 12 Choice school	7.6 mi
NR	Harford Academy at Campus Hills PublicPK to 12 Choice school	7.8 mi
NR	Restoration Alternative Academy Charter School Charter6 to 11 Nearby school	13.1 mi
NR	Harford Christian School PrivateK to 12 Nearby school	2.3 mi

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.

Similar Homes

Similar Sold Homes

Explore Nearby Homes

More information about 3660 Mill Green Road, Street, MD 21154

3660 Mill Green Road is a single family home for sale in Street, MD 21154. This property was listed for sale on February 26, 2025 by RE/MAX Advantage Realty, it's currently listed at $1,395,000. It has been on the market for a total of 280 days and was last sold on March 31, 2021. This listing's school district is Harford County Public Schools. Nearby schools include North Harford Elementary School, North Harford Middle School and North Harford High School. 3660 Mill Green Road is a 7-bed, 7-bath, 7,816 sqft single family home built in 1800.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

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 01/16/2026 10:25 PM

3660 Mill Green RdStreet, MD 21154

Explore Nearby Homes

Homes in Nearby 21154 Neighborhoods

Homes in Nearby 21154 Cities

Homes in Nearby 21154 Zip Codes

More information about 3660 Mill Green Road, Street, MD 21154

3660 Mill Green Rd
Street, MD 21154