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20 Forest Farm Road
Philipstown, NY 10524

  • 13 beds
  • 11 baths
  • 7,334 sqft
  • ~50 acre lot
  • $531 per sqft
  • 1892 build
  • on site

Historic Garrison Estate with 50 acres and Hudson River views. Built in 1892 as a summer home for one of New York City's most prominent citizens. William Church Osborn was the son of railroad tycoon William Henry Osborn. The father summered in a nearby castle and the son summered here. William Church Osborn served as president of the Metropolitan Museum of Art as well as the Children's Aid Society. Much of the area's present day public park land was once part of various Osborn family estates. That charity has defined the area ever since as a hiking destination. This estate celebrates that history. Designed by famed architect and Garrison resident Charles Haight. The original gardens and landscaping were the work of Olmstead & Sons. Property includes 4 parcels with a granite and stucco main house of over 7300 square feet. High ceilings and huge rooms. 8 fireplaces. 6 bedrooms. Separate 2 bedroom apartment attached to main house. Cedar cottage/barn with 2 apartments and horse stalls. 2 car stone garage. Private pond. Hiking trails.

Listing courtesy of ONEKEY / Robert A. McCaffrey Realty Inc

Last checked: Checking… • Last updated Jul 21, 2021 •

MLS# H4831792 —

Amenities & Taxes

The Building

Common Walls:
No Common Walls
Year Built:
1892
Year Built Effective:
1987
Construction Materials:
Stone
Architectural Style:
Estate
Building Area Units:
Square Feet
Patio And Porch Features:
Deck
Basement:
Full
Green Sustainability:
Stone

Interior

Interior Features:
Master Downstairs
10
Total Rooms
Living Area:
7334
Fireplace:
true
Fireplaces Total:
8
Attic Description:
Partial

Room Dimensions

Living Area Units:
Square Feet

The Property

View:
true
Property Type:
Residential
Property Sub Type:
Single Family Residence
Parcel Number:
372689-071-000-0001-031-000-0000
Lot Features:
Borders State Land
Lot Size Area:
50.46
Lot Size Units:
Acres
Lot Size Acres:
50.46
Lot Size Square Feet:
2198038
Lot Size Source:
Other
View:
Mountain(s)
Water Source:
Well
Property Attached:
false

Listing Agent

Contact info:

Taxes

Tax Map Number:
372689-071-000-0001-031-000-0000
Tax Annual Amount:
56956
Tax Assessed Value:
909200

Beds

Bedrooms Total:
13

Baths

Bathrooms:
11
Bathrooms Full:
7
Bathrooms Half:
4

The Listing

Photos Count:
34
Virtual Tour Branded:
Virtual Tour
Virtual Tour

Heating & Cooling

Cooling:
Wall Unit(s)
Cooling:
true
Heating:
Oil

Utilities

Sewer:
Septic Tank

Schools

Elementary School:
Garrison School
Elementary School District:
Garrison Union Free
Middle Or Junior School District:
Garrison Union Free
High School:
Haldane High School
High School District:
Garrison Union Free

The Community

Senior Community:
false
Pool Private:
true
Pool Features:
Inground Pool

Parking

Garage:
true
Attached Garage:
false
Garage Spaces:
2
Parking Features:
Detached

Schools

Rating Details

Garrison School

  • Public
  • K-8
  • 0.5 mi

GreatSchools scores are based on a scale from 1 to 10, where 10 is above average.

The school service areas are not definitive and should only be used as guidance. GreatSchools Ratings provided by www.greatschools.org

Monthly cost estimate

20 Forest Farm Road

Asking price

$3,900,000

Mortgage

$13,578

Taxes $4,746
Insurance $1,072
Utilities $603 See report
Total $19,999/mo.*
*This is an estimate

Flood Risk

This property has minimal flood risk

This property has a . Although flood risks across the country are changing because of the environment, this property is unlikely to flood over the next 30 years.

Provided by Flood Factor®

Flood Insurance

Recommended: MassiveCert estimates that this property is in FEMA Zone X, which means that flood insurance is recommended, but not required.

Get an instant insurance quote

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WalkScore®

Provided by WalkScore® Inc.

Soundscore™

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Loud Moderate Quiet

Air Pollution Index

Provided by ClearlyEnergy

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Sale history

Date Event Source Price % Change
3/18/21
Price Changed ONEKEY $3,900,000 -20.4%
7/30/20
Listed / Active ONEKEY $4,900,000

Finding records…

No additional history available

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