Old Dam Farm — A Rare Hudson Valley Legacy
Set on nearly 40 pristine acres bordered by over 100 acres of protected New York City watershed land, Old Dam Farm offers an unparalleled combination of natural beauty, history, and lifestyle. This remarkable estate overlooks the sparkling Croton Reservoir, creating a backdrop of breathtaking views in every season.
At its heart stands a spectacular 7-bedroom main residence, where grand, light-filled rooms showcase timeless craftsmanship and sweeping vistas from nearly every window. Multiple primary suites and en suite bedrooms provide exceptional comfort and flexibility for hosting overnight guests.
The property also features a 5-bedroom, 2 bath, caretaker’s home and a historic carriage house with a 5-car garage, horse stalls, a chicken house, and a sheep house—ideal for equestrian pursuits, hobby farming, or simply enjoying the pastoral lifestyle.
Whether you envision a private compound, event venue, or generational retreat, this setting offers endless possibilities. With its rich heritage, refined elegance, and serene privacy, Old Dam Farm is more than a property—it’s a place to create memories that will last a lifetime.
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Zillow last checked:
Listing updated:
Listed by:
Houlihan Lawrence Inc.914-271-5500,
Nancy Kennedy914-729-4531
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 1012192
Facts & features
Interior
Bedrooms & bathrooms
Bedrooms: 7
Bathrooms: 6
Full bathrooms: 5
1/2 bathrooms: 1
Heating
Hot Water
Cooling
None
Appliances
Included: Dryer, Oven, Refrigerator, Washer
Features
First Floor Bedroom, First Floor Full Bath, Built-in Features, Chandelier, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, Natural Woodwork, Original Details, Primary Bathroom, Master Downstairs
Basement: Unfinished
Attic: Finished,Walkup
Has fireplace: Yes
Interior area
Total structure area: 7,556
Total interior livable area: 5,700 sqft
Property
Parking
Total spaces: 6
Parking features: Garage
Garage spaces: 5
Features
Has private pool: Yes
Pool features: In Ground
Has view: Yes
View description: Mountain(s), Trees/Woods, Water
Has water view: Yes
Water view: Water
Lot
Size: 32.47 Acres
Details
Additional structures: Barn(s), Guest House
Parcel number: 5400058016000010000002
Special conditions: None
Construction
Type & style
Home type: SingleFamily
Architectural style: Colonial
Property subtype: Single Family Residence, Residential
Materials
Wood Siding
Condition
Year built: 1860
Utilities & green energy
Sewer: Septic Tank
Water: Well
Utilities for property: Electricity Connected, Propane, Water Available
Community & HOA
HOA
Has HOA: No
Location
Region: Ossining
Financial & listing details
Price per square foot: $701/sqft
Tax assessed value: $44,350
Annual tax amount: $65,850
Date on market: 6/11/2026
Cumulative days on market: 326 days
Listing agreement: Exclusive Right To Sell
Electric utility on property: Yes
Estimated market value
Zestimate®
Not available
Estimated sales range
Not available
Rent Zestimate®
Not available
Price history
Date
Event
Price
6/11/2026
Listed for sale
$3,995,000-27.4%$701/sqft
Source: OneKey® MLS as distributed by MLS GRID #1012192Report a problem
6/2/2026
Listing removed
$5,500,000$965/sqft
Source: OneKey® MLS as distributed by MLS GRID #901618Report a problem
9/3/2025
Listed for sale
$5,500,000$965/sqft
Source: OneKey® MLS as distributed by MLS GRID #901618Report a problem
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.
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.