21 Windmill Rd
Armonk, NY 10504
3 ba 4,727 sqft Built 1955 Lot 51,458 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $14,350 | $3,200 | $17,550 | $20,608 |
| 2024 | $14,350 | $3,200 | $17,550 | $20,921 |
| 2023 | $14,350 | $3,200 | $17,550 | $20,098 |
| 2022 | $14,350 | $3,200 | $17,550 | $20,039 |
| 2021 | $14,350 | $3,200 | $17,550 | $19,840 |
| 2020 | $14,350 | $3,200 | $17,550 | $19,902 |
| 2018 | $14,350 | $3,200 | $17,550 | $49,774 |
| 2017 | $14,350 | $3,200 | $17,550 | $17,285 |
| 2016 | $25,200 | $3,200 | $28,400 | $88,803 |
| 2015 | $25,200 | $3,200 | $28,400 | $28,529 |
| 2014 | $25,200 | $3,200 | $28,400 | $27,485 |
| 2013 | $25,200 | $3,200 | $28,400 | $45,645 |
| 2012 | $25,200 | $3,200 | $28,400 | $39,637 |
| 2011 | $25,200 | $3,200 | $28,400 | $26,365 |
| 2008 | $25,200 | $3,200 | $28,400 | $24,345 |
| 2007 | $25,200 | $3,200 | $28,400 | $20,670 |
Property facts
Year built
1955
Property type
single_family
Stories
—
Beds
—
Baths
3
Living area
4,727 sqft
Lot size
51,458 sqft
ZIP code
10504
City
Armonk
Street
Windmill Rd
Coordinates
41.14171, -73.67718
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Windmill Rd last sell?
No public-record sale is on file for 21 Windmill Rd.
What is the current tax assessment for 21 Windmill Rd?
The most recent total assessment for 21 Windmill Rd (year 2025) is $17,550 with $20,608 in property tax.
When was 21 Windmill Rd built?
21 Windmill Rd was built in 1955.
How does 21 Windmill Rd compare to others on Windmill Rd?
We track 8 other properties on Windmill Rd. Browse the list under "Other properties on Windmill Rd" to compare beds, baths, and sale history.
What are the property facts for 21 Windmill Rd?
21 Windmill Rd is a 3 bath, 4,727 sqft, 51,458 sqft lot single_family.
Is 21 Windmill Rd a flip candidate?
No — 21 Windmill Rd does not appear in our flips dataset.
Is 21 Windmill Rd a tax-appeal candidate?
No — 21 Windmill Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+5.0%
Implied 1-yr
+19.8%
2026 Q2
$2.8M
2026 Q3
$2.91M
ZIP 10504 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Windmill Rd