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$599,000 Just Listed
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Property Description
Welcome to The Old Fort, an irreplaceable historic estate offering a rare chance to own a piece of New Jersey's past with modern-day flexibility. Set on 1.68 private acres in the highly sought-after German Valley Historic District of Long Valley, this circa 1774 stone residence stands as one of the area's most distinctive and storied homes. Properties of this caliber and authenticity seldom come to market. From its commanding presence and timeless stone construction to its thoughtfully expanded 19th-century design, the home delivers a level of character and permanence that cannot be recreated. Inside, the residence offers spacious, functional living while preserving its historic charm thick stone walls, original details, and a layout that blends warmth, privacy, and versatility. The property also includes a separate 2-bedroom, 1-bath dwelling, currently vacant, presenting immediate potential for rental income, guest quarters, or a private work-from-home setup. Surrounded by natural beauty yet conveniently located near major routes, this property offers a unique combination of privacy, land, and long-term value. Whether you are seeking a primary residence, weekend retreat, or a one-of-a-kind investment, The Old Fort represents a true legacy purchase. Opportunities like this are limited, and once sold, rarely become available again. TWO HOUSES ON ONE LOT, PUBLIC SEWER AND WATER BEING SOLD AS IS
Full Property Details
Full Property Details for 19 E Mill Rd
General
- Price: $599,000
- Taxes: $18,075 (2025)
- Status: Active
- Type: Single Family
- Source: Garden_State
- MLS ID: 4028147
- Updated: 5/15/2026
- Added to Site: 2 day(s) ago
Interior
- Number of Rooms: 15
- Number of Fireplaces: 2
- Fireplace(s): Living Room, Wood-Burning
- Appliances: Carbon Monoxide Detector, Dishwasher, Dryer, Microwave, Gas Range and Oven, Refrigerator, Washer
- Flooring: Wood
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 4
Bedrooms
- Total Bedrooms: 7
Other Rooms
- Kitchen: Center Island
- In-Law/Au Pair Suite: Yes
- Suite: Yes
Exterior
- Exterior Features: Carriage House
Parking
- Garage: Yes
- Garage Spaces: 1
- Uncovered Spaces: 4
- Garage Description: Detached Garage, Garage Parking
Location
- County: Morris
- Driving Directions: in the heart of Long Valley's German Valley Historic District
Heating & Cooling
- Cooling Type: See Remarks
- Heating Type: 2 Units, Radiators - Hot Water
- Heating Fuel: Oil Tank Above Ground - Inside
Utilities
- Sewer: Public Sewer
- Water: Public Water
- Utility Description: Electric
Structural Information
- Architectural Style: Victorian, Carriage House, Victorian
- Basement: Yes
- Basement Desc.: Unfinished
- Roof: Asphalt Shingles
- Square Feet: 5,400
- Year Built: 1774
Lot Features
- Lot Size (Acres): 1.68
- Lot Size: 1.680 AC
- Driveway/Sidewalk: Blacktop
Financial Considerations
- Assessment Amount: $601,900
- Land Assmt: $168,200
- Tax Amount: $18,075
- Tax Year: 2025
Disclosures and Reports
- Ownership: Fee Simple
- APN: 2338-00035-0000-00019-0000-
- Block: 35
- Lot Number: 19
Listed by New and Modern Group
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Price & Sales History for 19 E Mill Rd
Date
Details
Price
Change
Source
5/15/2026
Listed
$599,000
19.8%
MLS
2/02/2026
Sold
$500,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 19 E Mill Rd
Year
Property Taxes
Change
Tax Assessment
Change
2024
$17,461
5%
$601,900
—
2022
$16,594
6%
$601,900
—
2021
$15,623
2%
$601,900
—
2018
$15,373
-2%
$601,900
—
2019
$15,722
5%
$601,900
—
2017
$15,041
3%
$601,900
—
2016
$14,584
2%
$601,900
—
2015
$14,289
2%
$601,900
—
2013
$14,012
—
$601,900
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 19 E Mill Rd
19 E Mill Rd, Washington Township, NJ 07853 (MLS# 4028147) is a Single Family property with 7 bedrooms and 4 full bathrooms. 19 E Mill Rd is currently listed for $599,000 and was received on May 15, 2026. Want to learn more about 19 E Mill Rd? Do you have questions about finding other Single Family real estate for sale in Long Valley? You can browse all Long Valley real estate or contact a Coldwell Banker agent to request more information.

