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MLS ID KEY1004695Last updated Oct 4, 2026

Single Family

3 Israel Townsend Hill

Active · North Castle · Westchester County, NY 10504

Bedrooms
7 Beds
Bathrooms
13 Baths
Year built
1936
Est. monthly taxes
$4,136.5
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About this home

Magnificent multi-generational 7 plus bedroom, 13-bathroom home on 4.5 acres with a heated indoor swimming pool and spa. This expansive home has two distinct wings (original home built in 1936 and a new wing built in 1991) and lives like two independent houses, each with their own utilities, kitchens and laundry room and are joined by a common front foyer. The original house has an oversized living room with French doors leading to terrace, a formal dining room, an updated kitchen with separate breakfast area, and mud room. On the second level is the primary suite with dressing room and two renovated bathrooms, two additional ensuite bedrooms and laundry room. And the third floor has two sunny offices with balconies and a full bathroom, The new addition has an open updated kitchen/great room with balcony overlooking yard, a large living room/dining room and a primary suite with walk in closet and full bathroom. On the second level are two additional bedrooms, a bonus room and a full bathroom. Amazing 60’ Shoreline pool and spa in a expansive room with wall of window, a changing room and full bath, and is adjacent to a great recreation room/gym. Special features include abundant windows, high ceilings, extensive woodwork and moldings, wood floors, 3 fireplaces, multiple balconies, generator, 4 car garage and a private guest wing with separate entrance. The outdoor space is exceptional with meadows, sprawling lawns, specimen trees, cutting gardens, and stone terraces. Meticulous condition- roof (2020), AC condensers (2020), Boilers (2021/2023), new driveway (2026), new 7-person septic (2026). Full basement with high ceilings offers excellent storage. Full house generator. This ultra-private home is in a prime location and located very near to Armonk town center. Israel Townsend HIll is a new street, located off of Orchard Drive. Byram Hills Schools

Listing snapshot

Days on site
59 days
Listed on MLS
Jun 2, 2026
Full baths
9
Half baths
4
Annual property tax (MLS)
$49,638
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Compass Greater NY, LLC
MLS ID
KEY1004695
Last updated
Oct 4, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1936
Garage
Yes
Garage spaces
4
Parking
Attached, Heated Garage
Water source
Well, Private
Sewer
Septic Tank
Utilities
Trash Collection Public

Interior features

Basement
Full, Partial, Unfinished
Heating
Baseboard, Forced Air, Oil, Radiant
Cooling
Attic Fan, Central Air
Interior
Built-in Features, Cathedral Ceiling(s), Central Vacuum, Chandelier, Chefs Kitchen, Crown Molding, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, Kitchen Island, Open Kitchen, Original Details, Primary Bathroom, Quartz/Quartzite Counters, Recessed Lighting, Soaking Tub, Storage, Walk-In Closet(s), Wet Bar
Appliances
Cooktop, Dishwasher, Dryer, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Indirect Water Heater, Oil Water Heater
Flooring
Hardwood
Fireplace
Yes
Fireplaces
3

Exterior features

Architectural style
Estate
Construction materials
Brick, Frame, Wood Siding
Exterior
Balcony, Gas Grill, Juliet Balcony
Private pool
Yes

Schools (MLS)

Elementary school
Coman Hill
Elementary school district
Byram Hills
Middle school
H C Crittenden Middle School
Middle school district
Byram Hills
High school
Byram Hills High School
High school district
Byram Hills

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

North Castle · Westchester County, NY 10504Show interactive map
3 Israel Townsend Hill

North Castle · Westchester County, NY 10504

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
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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.