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MLS ID KEY1047742Last updated Oct 20, 2026

Single Family

769 Route 100

Active · Yorktown · Westchester County, NY 10598

Bedrooms
7 Beds
Bathrooms
8 Baths
Year built
1956
Est. monthly taxes
$3,835.41
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About this home

Ile de France, formerly Haywire House and Birch Grove, is an extraordinary estate set on 12.14 very private acres in Yorktown Heights. Approached by a sweeping drive, the property offers exceptional privacy, character, and a rare sense of grandeur. The main residence features a gracious foyer, formal dining room, book-lined living room/library with marble fireplace and library ladder, adjoining game room, multiple ensuite bedrooms, a three-floor elevator, and a second parlor opening to an expansive terrace with fountain and direct access to the indoor/outdoor conservatory pool. A Massive eat-in Kitchen with two sink stations, a breakfast room, a corridor of storage plus a half bath & large Laundry. There is also a suite of rooms - two bedrooms, full bath and dining/living/playroom. Out the Kitchen door, there is a two-car garage with a full unfinished second floor with windows. A porte-cochere connecting the garage to the Kitchen helps with our bundles - whether Children or packages. Two guest outbuildings complete the estate. Full House Generator. Additional adjacent 10.34 acres available MLS #H6302034. Photos are virtually staged. Rooms, Kitchen, Baths & square footage does not include the two cottages. The property was once the country estate of Pamela Digby Churchill Hayward Harriman, daughter of a Baron, whose husbands included Winston Churchill’s son Randolph Churchill, Leland Hayward, the celebrated talent agent and producer behind South Pacific, My Fair Lady, and The Sound of Music, and W. Averell Harriman, diplomat, statesman, and Governor of New York. Named "Ile de France" by the current owners after the French Line ship where they first met, the estate has welcomed notable guests including the Kennedys, Frank Sinatra, Henry Fonda, and James Stewart, adding a remarkable chapter of history to an exceptional private residence.

Listing snapshot

Days on site
9 days
Listed on MLS
Oct 19, 2026
Full baths
6
Half baths
2
Annual property tax (MLS)
$46,024.94
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Houlihan Lawrence Inc.
MLS ID
KEY1047742
Last updated
Oct 20, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1956
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage, Private, Storage
Water source
Well
Sewer
Septic Tank
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Propane, Trash Collection Private, Water Connected

Interior features

Basement
Finished, Storage Space, Walk-Out Access
Heating
Oil
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Built-in Features, Chefs Kitchen, Crown Molding, Eat-in Kitchen, Elevator, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Pantry, Primary Bathroom, Master Downstairs, Soaking Tub, Storage, Walk Through Kitchen, Washer/Dryer Hookup
Appliances
Dishwasher, Dryer, Refrigerator, Washer, Oil Water Heater
Flooring
Carpet, Ceramic Tile, Hardwood, Other
Fireplace
Yes
Fireplaces
2

Exterior features

Architectural style
Colonial
Construction materials
Clapboard, Frame
Exterior
Courtyard, Garden, Juliet Balcony, Mailbox
Private pool
Yes

Schools (MLS)

Elementary school
Brookside Elementary School Campus
Elementary school district
Yorktown
Middle school
Mildred E Strang Middle School
Middle school district
Yorktown
High school
Yorktown High School
High school district
Yorktown

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Yorktown · Westchester County, NY 10598Show interactive map
769 Route 100

Yorktown · Westchester County, NY 10598

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.