205 Union Ave
Mamaroneck, NY 10543
3 bd 2 ba 1,368 sqft Built 1920 Lot 5,100 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 | $371,700 | $344,700 | $716,400 | $15,528 |
| 2024 | $337,600 | $344,700 | $682,300 | $14,837 |
| 2023 | $296,600 | $328,300 | $624,900 | $10,634 |
| 2022 | $245,000 | $328,300 | $573,300 | $10,394 |
| 2021 | $245,000 | $328,300 | $573,300 | $13,993 |
| 2020 | $313,300 | $258,100 | $571,400 | $14,576 |
| 2018 | $305,800 | $254,100 | $559,900 | $12,811 |
| 2017 | $303,300 | $252,100 | $555,400 | $10,547 |
| 2016 | $288,100 | $235,600 | $523,700 | $13,105 |
| 2015 | $249,300 | $204,200 | $453,500 | $11,755 |
| 2014 | $249,300 | $197,400 | $446,700 | $14,505 |
| 2013 | $244,200 | $197,400 | $441,600 | $151,113 |
| 2012 | $238,600 | $197,400 | $436,000 | $14,581 |
| 2011 | $264,300 | $180,300 | $444,600 | $1,935 |
| 2008 | $285,300 | $198,000 | $483,300 | $7,463 |
| 2007 | $272,000 | $198,000 | $470,000 | $5,706 |
Property facts
Year built
1920
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,368 sqft
Lot size
5,100 sqft
ZIP code
10543
City
Mamaroneck
Street
Union Ave
Coordinates
40.95167, -73.73141
Comparable properties nearby
Frequently asked questions
When did 205 Union Ave last sell?
No public-record sale is on file for 205 Union Ave.
What is the current tax assessment for 205 Union Ave?
The most recent total assessment for 205 Union Ave (year 2025) is $716,400 with $15,528 in property tax.
When was 205 Union Ave built?
205 Union Ave was built in 1920.
How does 205 Union Ave compare to others on Union Ave?
We track 5 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 205 Union Ave?
205 Union Ave is a 3 bed, 2 bath, 1,368 sqft, 5,100 sqft lot single_family.
Is 205 Union Ave a flip candidate?
No — 205 Union Ave does not appear in our flips dataset.
Is 205 Union Ave a tax-appeal candidate?
No — 205 Union Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-6.8%
Implied 1-yr
-27.2%
2026 Q3
$693.8K
2026 Q4
$693.8K
ZIP 10543 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave