21 Route 139
Katonah, NY 10536
1 ba 1,339 sqft Built 1953 Lot 86,342 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 | $31,000 | $14,200 | $45,200 | $10,971 |
| 2024 | $31,000 | $14,200 | $45,200 | $10,705 |
| 2023 | $31,000 | $14,200 | $45,200 | $10,347 |
| 2022 | $31,000 | $14,200 | $45,200 | $10,165 |
| 2021 | $31,000 | $14,200 | $45,200 | $10,278 |
| 2020 | $31,000 | $14,200 | $45,200 | $5,423 |
| 2018 | $31,000 | $14,200 | $45,200 | $9,416 |
| 2017 | $31,000 | $14,200 | $45,200 | $8,998 |
| 2016 | $31,000 | $14,200 | $45,200 | $9,168 |
| 2015 | $31,000 | $14,200 | $45,200 | $8,780 |
| 2014 | $31,000 | $14,200 | $45,200 | $8,666 |
| 2013 | $31,000 | $14,200 | $45,200 | $8,495 |
| 2012 | $31,000 | $14,200 | $45,200 | $8,255 |
| 2011 | $31,000 | $14,200 | $45,200 | $7,919 |
| 2008 | $31,000 | $14,200 | $45,200 | $9,752 |
| 2007 | $31,000 | $14,200 | $45,200 | $6,853 |
Property facts
Year built
1953
Property type
single_family
Stories
—
Beds
—
Baths
1
Living area
1,339 sqft
Lot size
86,342 sqft
ZIP code
10536
City
Katonah
Street
Route 139
Coordinates
41.28826, -73.71409
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Route 139 last sell?
No public-record sale is on file for 21 Route 139.
What is the current tax assessment for 21 Route 139?
The most recent total assessment for 21 Route 139 (year 2025) is $45,200 with $10,971 in property tax.
When was 21 Route 139 built?
21 Route 139 was built in 1953.
How does 21 Route 139 compare to others on Route 139?
We track 4 other properties on Route 139. Browse the list under "Other properties on Route 139" to compare beds, baths, and sale history.
What are the property facts for 21 Route 139?
21 Route 139 is a 1 bath, 1,339 sqft, 86,342 sqft lot single_family.
Is 21 Route 139 a flip candidate?
No — 21 Route 139 does not appear in our flips dataset.
Is 21 Route 139 a tax-appeal candidate?
No — 21 Route 139 is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.9%
Implied 1-yr
+3.8%
2026 Q1
$1.34M
2026 Q2
$1.36M
ZIP 10536 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Route 139