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329 Union Avenue, Mamaroneck, NY 10543 Property Information

329 Union Avenue, Mamaroneck, NY 10543 Property Information

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

Primary address 329 Union Avenue, Mamaroneck
Zip code 10543
County Westchester
Municipality Rye
Parcel ID 154.42-1-66

Sales & Tax Overview for 329 Union Avenue, Mamaroneck

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 06/24/1997
Sale price $185,000
Arm's length
Current property tax $18,913

Lot & Building Information for 329 Union Avenue, Mamaroneck

Building sqft 1,428
Building class One Family Year-Round Residence (210)
Acreage 0.14
Lot dimensions 50 ft X 119 ft
Frontage 50
Depth 119
Year built 1880
Stories 2
Rooms 6
Bedrooms 3
Bathrooms 2
Kitchen 1
Water supply Comm/public
Sewer Comm/public
Style Old style
Condition 3
Basement 4
Exterior wall Alum/vinyl
Heating type Hot air
Heating fuel Gas
First story sqft
Second story sqft
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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 329 Union Avenue, Mamaroneck

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About 329 Union Avenue, Mamaroneck

What is the year built & the total sq. ft. for 329 Union Avenue, Mamaroneck, NY 10543?

329 Union Avenue, Mamaroneck, NY 10543 was built in 1880 and has a total of 1,428 square feet.

What is the assessed value of 329 Union Avenue, Mamaroneck, NY 10543 and the property tax paid?

Assessed at $840,100, the tax amount paid for 329 Union Avenue, Mamaroneck, NY 10543 is $18,152.

When was 329 Union Avenue, Mamaroneck, NY 10543 last sold and what was the last sale price?

329 Union Avenue, Mamaroneck, NY 10543 was last sold in 06/24/1997 for $185,000.

Ownership Information

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Real Estate Reports:
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.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Research 100M+ property records powered by:
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Past Sales & Property History for 329 Union Avenue, Mamaroneck

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Purchase date Purchase price Buyer name Seller name
06/24/1997 $185,000

Title Documents for 329 Union Avenue, Mamaroneck

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Date Type Amount Party 1 Party 2 Doc image
12/22/2011 - R Other
06/24/1997 - D
09/08/1997 - R
Deed
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 329 Union Avenue, Mamaroneck

Access detailed property tax data for 329 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 $18,153
Current property tax $18,913
Market value $840,100
Assessed value $840,100

Assessment History for 329 Union Avenue, Mamaroneck

Here's the assessment & property tax history for 329 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 $840,100 $840,100 21.6079 $18,153 +5.90%
2024 $800,100 $800,100 21.4249 $17,142 -1.29%
2023 $769,300 $769,300 22.5745 $17,367 +1.77%
2022 $732,700 $732,700 23.2904 $17,065 +1.43%
2021 $672,200 $672,200 25.0283 $16,824 -5.48%

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.

Risk

Create a free account to unlock extended information for 329 Union Avenue, Mamaroneck, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

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

Transportation

Access the detailed traffic volume map for 329 Union Avenue, Mamaroneck to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
French-American School of New York NR Private PK-12 765 0.26
French-American School of New York NR Private PK-12 765 0.26
F E Bellows Elementary School 8 Public 3-5 347 0.36
Mamaroneck Avenue School 6 Public K-5 684 0.45
Daniel Warren Elementary School NR Public K-2 320 0.64

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
French-American School of New York NR Private PK-12 765 0.26
Rye Neck Middle School 7 Public 6-8 351 0.95
Westchester Day School NR Private PK, K-8 379 1.32
Ss John & Paul School NR Private PK-8 349 1.51
Hommocks School 7 Public 6-8 1,258 1.53

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
French-American School of New York NR Private PK-12 765 0.26
Rye Neck Senior High School 9 Public 9-12 515 0.95
Mamaroneck High School 8 Public 9-12 1,660 1.04
Westchester Hebrew High School NR Private 9-12 87 1.32
Harrison High School 9 Public 9-12 1,064 1.93

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 329 Union Avenue, Mamaroneck

Here are the neighbors for 329 Union Avenue, Mamaroneck.

Address Square feet Purchase date Purchase price
521 Walnut St, Mamaroneck 2,224 11/28/2017
110 Laura Joy Cir, Mamaroneck 1,360 07/24/1997 $235,000
1320 Harrison Ave, Mamaroneck 2,720 09/27/2019
325 Florence St, Mamaroneck 1,528 08/31/2022 $871,000
423 Hinman Pl, Mamaroneck 2,122 09/13/2024 $651,000
319 Union Ave, Mamaroneck 4,530 06/06/2025
313 Union Ave, Mamaroneck 4,012 06/06/2025
333 Union Ave, Mamaroneck 1,680
210 Beach Ave, Mamaroneck 2,333
206 Beach Ave, Mamaroneck 2,148 11/18/2020 $999,000
1330 Harrison Ave, Mamaroneck 2,760 12/20/2023
120 Laura Joy Cir, Mamaroneck 1,912 11/26/1996 $275,000
321 Florence St, Mamaroneck 1,822 07/17/2006 $687,250
218 Beach Ave, Mamaroneck 1,702
325 Union Ave, Mamaroneck 1,766 04/29/2016
514 Walnut St, Mamaroneck 1,937 12/03/2019
520 Pine St, Mamaroneck 2,668 12/30/2013 $999,000
517 Walnut St, Mamaroneck 2,128 11/20/2020 $1,100,000
415 Hinman Pl, Mamaroneck 1,860
419 Hinman Pl, Mamaroneck 2,448 08/02/2022 $150,000

Nearby ZIP Codes for 329 Union Avenue, Mamaroneck

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