21 Alder St
Yonkers, NY 10701
4 bd 3 ba 1,900 sqft Built 1961 Lot 2,509 sqft multi_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 | $7,300 | $1,800 | $9,100 | $2,201 |
| 2024 | $10,400 | $1,800 | $12,200 | $2,184 |
| 2023 | $10,400 | $1,800 | $12,200 | $2,205 |
| 2022 | $10,400 | $1,800 | $12,200 | $2,164 |
| 2021 | $10,400 | $1,800 | $12,200 | $9,456 |
| 2020 | $10,400 | $1,800 | $12,200 | $9,364 |
| 2018 | $10,400 | $1,800 | $12,200 | $7,384 |
| 2017 | $10,400 | $1,800 | $12,200 | $9,611 |
| 2016 | $10,400 | $1,800 | $12,200 | $9,838 |
| 2015 | $10,400 | $1,800 | $12,200 | $9,019 |
| 2014 | $10,400 | $1,800 | $12,200 | $10,289 |
| 2013 | $10,400 | $1,800 | $12,200 | $10,031 |
| 2012 | $10,400 | $1,800 | $12,200 | $10,054 |
| 2011 | $10,400 | $1,800 | $12,200 | $9,659 |
| 2008 | $10,400 | $1,800 | $12,200 | $8,439 |
| 2007 | $10,400 | $1,800 | $12,200 | $6,980 |
Property facts
Year built
1961
Property type
multi_family
Stories
—
Beds
4
Baths
3
Living area
1,900 sqft
Lot size
2,509 sqft
ZIP code
10701
City
Yonkers
Street
Alder St
Coordinates
40.93009, -73.88570
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Alder St last sell?
No public-record sale is on file for 21 Alder St.
What is the current tax assessment for 21 Alder St?
The most recent total assessment for 21 Alder St (year 2025) is $9,100 with $2,201 in property tax.
When was 21 Alder St built?
21 Alder St was built in 1961.
How does 21 Alder St compare to others on Alder St?
We track 7 other properties on Alder St. Browse the list under "Other properties on Alder St" to compare beds, baths, and sale history.
What are the property facts for 21 Alder St?
21 Alder St is a 4 bed, 3 bath, 1,900 sqft, 2,509 sqft lot multi_family.
Is 21 Alder St a flip candidate?
No — 21 Alder St does not appear in our flips dataset.
Is 21 Alder St a tax-appeal candidate?
No — 21 Alder St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-9.7%
Implied 1-yr
-38.7%
2026 Q2
$214.3K
2026 Q3
$158.6K
ZIP 10701 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Alder St