21 Windmill Rd
Armonk, NY 10504
- 3 Beds
- 3 Baths
- 3,553 sqft (on 1.21 acres)
3 Beds
3 Baths
3,553 sqft
(on 1.21 acres)
Home Value
Trulia Estimate
$1.6MSince last month
Decreased$17K (-1%)Since last year
Increased$71K (+4.6%)Since last sale
Increased$1M (+180.9%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +142% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $1.6M |
| July 2026 | $1.62M |
| June 2026 | $1.59M |
| May 2026 | $1.59M |
| April 2026 | $1.51M |
| March 2026 | $1.55M |
| February 2026 | $1.5M |
| January 2026 | $1.51M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.26 | Single-Family Home | $1,850,000 | 12/10/25 | 4 | 2.5 | 3,172 | |
0.26 | Single-Family Home | $2,025,000 | 06/30/26 | 4 | 3 | 3,185 | |
0.45 | Single-Family Home | $1,550,000 | 02/11/26 | 3 | 3 | 3,049 | |
0.33 | Single-Family Home | $1,470,000 | 10/21/25 | 4 | 3.5 | 2,855 | |
0.49 | Single-Family Home | $2,250,000 | 02/10/26 | 3 | 3 | 3,100 | |
0.32 | Single-Family Home | $2,250,000 | 04/17/26 | 3 | 3.5 | 4,012 | |
0.33 | Single-Family Home | $2,200,000 | 11/10/25 | 5 | 3 | 3,794 | |
0.49 | Single-Family Home | $1,443,600 | 05/12/26 | 3 | 2 | 2,045 | |
0.56 | Single-Family Home | $1,525,000 | 07/01/26 | 5 | 3 | 2,910 | |
0.42 | Single-Family Home | $2,375,000 | 12/12/25 | 4 | 3.5 | 3,976 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.04 | $1,638,900 | 3 | 3 | 2,515 | Off Market | |
0.07 | $1,640,300 | 3 | 2.5 | 2,000 | Off Market | |
0.15 | $1,562,500 | 4 | 2.5 | 2,819 | Off Market | |
0.22 | $4,040,300 | 5 | 5.5 | 6,011 | Off Market | |
0.26 | $1,850,000 | 4 | 2.5 | 3,172 | Recently Sold | |
0.26 | $2,025,000 | 4 | 3 | 3,185 | Recently Sold | |
0.29 | $2,596,100 | 4 | 4.5 | 4,518 | Off Market | |
0.32 | $2,250,000 | 3 | 3.5 | 4,012 | Recently Sold | |
0.35 | $2,318,200 | 4 | 3 | 3,308 | Off Market | |
0.35 | $2,009,900 | 4 | 2.5 | 2,671 | Off Market | |
0.33 | $1,470,000 | 4 | 3.5 | 2,855 | Recently Sold | |
0.33 | $1,961,800 | 3 | 3.5 | 3,808 | Off Market |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1955
Lot Size
1.21 acres
Living Area
3,553 sqft
Price/Sqft
$451
Parking
Garage
About this House
Fabulous opportunity to renovate or build the home of your dreams in the much sought after Windmill Farms community, a very private and exclusive area in Armonk, NY but is still close to all. This 1955 home sits on a very private 1.21 acre lot, boasts over 3500 sqft of living space, walls of windows and skylights in the dining room and living room, large kitchen with breakfast area, 4-5 steps up to master bedroom with sliders out to private deck, several other bedrooms and baths and a hot tub. The lower level is 4-5 steps down to a den with a fireplace, other finished rooms, sliders out to patio and in ground pool and access to 2 car garage. This will be a bank auction property on the homesearch site auction dates not set, read all terms and conditions of auction.
21 Windmill Rd, Armonk, NY 10504 is a 3 bedroom, 3 bathroom, 3,553 sqft single-family home built in 1955. It last sold for $571,200 on May 25, 2016. It is currently off market. The Trulia Estimate is $1,603,000, with a rent estimate of $7,988/month.
Home Details for 21 Windmill Rd
|
|---|
Heating & Cooling Heating: OilAir ConditioningCooling System: CentralHeating Fuel: Oil |
Levels, Entrance, & Accessibility Stories: 2Floors: Other |
Interior Details Number of Rooms: 10 |
Fireplace & Spa Fireplace |
|
|---|
Exterior Home Features Roof: OtherExterior: Other |
Parking & Garage GarageParking Spaces: 2Parking: Garage Attached |
|
|---|
Year Built Year Built: 1955 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
|
|---|
Units in Building: 1 |
|
|---|
Lot Area: 1.21 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
May 25, 2016 Source: OneKey® MLS as distributed by MLS GRID #H4601107 | Sold | $571,200 |
Apr 16, 2016 Source: Agent Provided | Pending | $679,900 |
Mar 12, 2016 Source: Agent Provided | Listed For Sale | $679,900 |
Feb 22, 2016 Source: N/A | Sold | $2,611,962 |
Jan 10, 2016 Source: Agent Provided | Listed For Sale | $700,000 |
Mar 8, 2011 Source: Agent Provided | ListingRemoved | $1,675,000 |
Mar 7, 2011 Source: Agent Provided | Listed For Sale | $1,675,000 |
Jun 12, 2008 Source: Agent Provided | ListingRemoved | $1,725,000 |
Feb 22, 2008 Source: Agent Provided | Listed For Sale | $1,725,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | Unavailable | $17,550 |
Home facts updated by county records
Market trends in Armonk
Last updated July 2026
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
19
6MoM
Around this home
What Locals Say about Armonk
At least 52 Trulia users voted on each feature.
95 % Say car is needed
90 % Say it's quiet
83 % Say parking is easy
83 % Say it's dog friendly
82 % Say yards are well-kept
82 % Say there's wildlife
74 % Say they plan to stay for at least 5 years
70 % Say people would walk alone at night
63 % Say there's holiday spirit
50 % Say neighbors are friendly
47 % Say kids play outside
36 % Say streets are well-lit
36 % Say there are community events
34 % Say it's walkable to restaurants
33 % Say it's walkable to grocery stores
25 % Say there are sidewalks
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 21 Windmill Rd
- What is 21 Windmill Rd estimated to be worth?Trulia's estimated value for 21 Windmill Rd in Armonk, NY is $1,603,000.
- What is the price history for 21 Windmill Rd?21 Windmill Rd in Armonk, NY last sold for $571,200 in May 2016.
- What do residents say about Armonk?Residents describe Armonk, NY as quiet, easy to park in, and dog-friendly. Most residents say you need a car. See recently sold homes in Armonk, NY.
- What are the closest schools to 21 Windmill Rd?The closest schools to 21 Windmill Rd in Armonk, NY are Byram Hills High School (rated 9/10), Coman Hill School (Elementary), H C Crittenden Middle School (rated 9/10).
- Does 21 Windmill Rd have air conditioning?Yes, 21 Windmill Rd in Armonk, NY has air conditioning.
- How big is the lot at 21 Windmill Rd?The lot at 21 Windmill Rd in Armonk, NY is about 1.2 acres.

