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210 Union Avenue, Mamaroneck, NY 10543 Property Information

210 Union Avenue, Mamaroneck, NY 10543 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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210 Union Avenue, Mamaroneck, NY 10543
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Address

Primary address 210 Union Avenue, Mamaroneck
Zip code 10543
County Westchester
Municipality Rye
Parcel ID 154.50-1-5

Sales & Tax Overview for 210 Union Avenue, Mamaroneck

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Sale date 03/31/1997
Sale price $355,000
Arm's length
Current property tax $29,572

Lot & Building Information for 210 Union Avenue, Mamaroneck

Building sqft 4,212
Total sqft 8,405
Building class Apartments (411)
Acreage 0.57
Lot dimensions 50 ft X 257 ft
Buildings on lot 2
Frontage 50
Depth 257
Year built 1900
Stories 3
Water supply Comm/public
Sewer Comm/public
Story height
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Rye Neck

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Other Property Data for 210 Union Avenue, Mamaroneck

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About 210 Union Avenue, Mamaroneck

What is the year built & the total sq. ft. for 210 Union Avenue, Mamaroneck, NY 10543?

210 Union Avenue, Mamaroneck, NY 10543 was built in 1900 and has a total of 4,212 square feet.

What is the assessed value of 210 Union Avenue, Mamaroneck, NY 10543 and the property tax paid?

Assessed at $1,042,500, the tax amount paid for 210 Union Avenue, Mamaroneck, NY 10543 is $28,628.

When was 210 Union Avenue, Mamaroneck, NY 10543 last sold?

210 Union Avenue, Mamaroneck, NY 10543 was last sold in 03/14/2024.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 210 Union Avenue, Mamaroneck

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Purchase date Purchase price Buyer name Seller name
03/31/1997 $355,000

Title Documents for 210 Union Avenue, Mamaroneck

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Date Type Amount Party 1 Party 2 Doc image
03/14/2024 - D
08/14/2024 - R
Deed
03/22/2023 - D
04/04/2023 - R
Deed
03/31/1997 - D
04/02/1997 - R
Deed
           
           
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R: Recorded date
D: Document date

Property Taxes for 210 Union Avenue, Mamaroneck

Access detailed property tax data for 210 Union Avenue, Mamaroneck, NY 10543. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025
Base tax $28,629
Current property tax $29,572
Market value $1,042,500
Assessed value $1,042,500

Assessment History for 210 Union Avenue, Mamaroneck

Here's the assessment & property tax history for 210 Union Avenue, Mamaroneck, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025 $1,042,500 $1,042,500 27.4617 $28,629 -3.76%
2024 $1,042,500 $1,042,500 28.5357 $29,748 -6.37%
2023 $1,042,500 $1,042,500 30.4759 $31,771 +14.31%
2022 $881,300 $881,300 31.5375 $27,794 +6.96%
2021 $881,300 $881,300 29.4862 $25,986 -15.15%

Mamaroneck residential market stats

Median Sale Price
$1,100,000
-10.3% YoY
Median Price/Sqft
$535
-8.4% YoY
Westchester County Median Sale Price
$850,000
3.7% YoY

Access a detailed real estate market overview of Mamaroneck so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Mamaroneck and compare it to other neighborhoods in Westchester County.

Demographics by Zip Code

Total population 20,989
Median age 39.8
Average household income $202,707
Family households 71.7%
Occupied housing units 7,630
Owner occupied units 58.2%
Average number of people per household 2.71
Median year structure built 1954
Median value for units with a mortgage $756,700
Median value for units without a mortgage $688,400

Risk

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FEMA flood zone(s) AE, X (See more on map)

Transportation

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View daily traffic map

Neighbors for 210 Union Avenue, Mamaroneck

Here are the neighbors for 210 Union Avenue, Mamaroneck.

Address Square feet Purchase date Purchase price
127 Carroll Ave, Mamaroneck 1,760 10/01/1997 $365,000
226-228 Union Ave, Mamaroneck 2,292 12/22/2009 $572,500
4 Kassel CT, Mamaroneck 2,720 10/07/2020 $825,000
209 Carroll Ave, Mamaroneck 2,068 06/18/2020 $326,000
211 Carroll Ave, Mamaroneck 1,612 03/05/2004 $1
216 Union Ave, Mamaroneck 1,631 08/05/2022 $810,000
125 Carroll Ave, Mamaroneck 1,808
131 Carroll Ave, Mamaroneck 1,948
203 Carroll Ave, Mamaroneck 1,338
207 Carroll Ave, Mamaroneck 1,852 05/30/2002
123 Carroll Ave, Mamaroneck 2,016 08/16/2016 $900,000
234-236 Union Ave, Mamaroneck 2,844 03/19/2020
3 Kassel CT, Mamaroneck 2,510 07/23/2007 $1,029,000
310 Ward Ave, Mamaroneck 1,448 12/16/2002 $300,000
135 Carroll Ave, Mamaroneck 1,632 08/01/2014 $720,000
314 Tompkins Ave, Mamaroneck 4,703 06/23/2022 $940,000
2 Kassel CT, Mamaroneck 2,800 10/02/2013 $895,000
230 Union Ave, Mamaroneck 1,938 03/01/2012 $1
222 Union Ave, Mamaroneck 4,352 08/26/2022 $991,000
316 Ward Ave, Mamaroneck 3,963

Nearby ZIP Codes for 210 Union Avenue, Mamaroneck

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