Westchester County  »  10543  »  Union Ave  »  230 Union Ave

230 Union Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 230 Union Ave

Property image for 230 Union Avenue, Mamaroneck, NY 10543
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Property type

Multiple Residences (281)

Year built

1920

Acreage

0.2

Sale price

$1

General information

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Address
Primary address
230 Union Avenue
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
154.50-1-9

Owner

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Sales
Sale date
03/01/2012
Sale price
$1
Arm's length
Tax
Tax year
2025
Current property tax
$24,633
Zoning & Use
Zoning
R-2F
Building
Property type
Multiple Residences (281)
Building sq. ft.
1,938
Buildings on lot
2
Stories
2
Year built
1920
AC
No
Rooms
7
Bedrooms
4
Bathrooms
2
Condition
Normal
Exterior wall
Wood
Building style
Old style
Kitchen
1
Basement
4
Heating
Hot water/steam
Fuel
Oil
First story sq. ft.
Second story sq. ft.
Lot
Lot dimensions
40 ft X 198 ft
Acreage
0.2
Frontage
40 ft
Depth
198
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
94 /100.  Walker's Paradise
Transit score
51 /100.  Good Transit
Bike score
60 /100.  Bikeable
School district
554801

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 230 Union Avenue, Mamaroneck, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 230 Union Avenue, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
03/01/2012 $1 XXXXXX XXXXXXX XXXXXX XXXXXXX
02/10/2012 $1 XXXXXX XXXXXXX XXXXXX XXXXXXX

*Most recent sales on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
11/23/2021 - R
11/11/2021 - D		 Mortgage XXXXXXX XXXXXX XXXXXXXXX XXXXXXXXX XXXX
04/09/2012 - R
03/01/2012 - D		 Deed XXXXXX XXXXXXX XXXXXX XXXXXXX
04/09/2012 - R
02/10/2012 - D		 Deed XXXXXX XXXXXXX XXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 230 Union Avenue, Mamaroneck, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025
Current property tax
$24,633
Base tax
$26,411
Recent tax assessments
Market value
$1,222,300
Land value
$513,300
Building value
$709,000
Assessed value
$1,222,300

More about Westchester County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025 $1,222,300 $1,222,300 21.6079 $26,411 +5.90%
2024 $1,164,100 $1,164,100 21.4249 $24,941 -1.29%
2023 $1,119,300 $1,119,300 22.5745 $25,268 +1.77%
2022 $1,066,000 $1,066,000 23.2904 $24,828 +1.43%
2021 $978,000 $978,000 25.0283 $24,478 -5.48%
2020 $978,000 $978,000 26.47812 $25,896 +34.36%
2019 $681,400 $681,400 28.285446 $19,274 +12.36%
2018 $661,600 $661,600 25.9262 $17,153 -4.39%
2017 $690,300 $690,300 25.989782 $17,941 +7.85%
2016 $619,300 $619,300 26.86073 $16,635 +0.99%
Permits

Permit information for 230 Union Avenue, Mamaroneck, NY

No recently recorded permits for this property.

Neighborhood

Mamaroneck residential market stats

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.

Median sale price

$1,060,000

-35.1% Y-o-Y

Median price/sq. ft.

$534

-14.4% Y-o-Y

Westchester county median sale price

$850,000

4.9% Y-o-Y

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 230 Union Avenue, Mamaroneck, NY 10543 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.16
French-American School of New York NR Private PK-12 765 0.16
F E Bellows Elementary School 8 Public 3-5 347 0.37
Mamaroneck Avenue School 6 Public K-5 684 0.54
Daniel Warren Elementary School NR Public K-2 320 0.67
Westchester Day School NR Private PK, K-8 379 1.21
Westchester Day School NR Private PK, K-8 379 1.21
Central School 8 Public PK, K-5 513 1.25
Central School 8 Public PK, K-5 513 1.25
Parsons Memorial School 5 Public K-5 488 1.32
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.16
Rye Neck Middle School 7 Public 6-8 351 0.99
Westchester Day School NR Private PK, K-8 379 1.21
Hommocks School 7 Public 6-8 1,258 1.44
Ss John & Paul School NR Private PK-8 349 1.45
Louis M Klein Middle School 7 Public 6-8 824 1.98
Albert Leonard Middle School 7 Public 6-8 1,086 2.55
Windward School NR Private 1-9 0 2.64
Hudson Country Montessori School NR Private PK-8 201 2.65
Rye Middle School 10 Public 6-8 685 2.84
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.16
Mamaroneck High School 8 Public 9-12 1,660 0.96
Rye Neck Senior High School 9 Public 9-12 515 0.99
Westchester Hebrew High School NR Private 9-12 87 1.21
Harrison High School 9 Public 9-12 1,064 2.04
Rye High School 10 Public 9-12 903 2.84
Thornton-Donovan School NR Private K-12 170 2.91
Salesian High School NR Private 9-12 528 3.15
Solomon Schechter School of Westchester NR Private K-12 741 3.17
New Rochelle High School 4 Public 9-12 3,076 3.64

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 230 Union Avenue, Mamaroneck, NY

226-228 Union Ave, Mamaroneck 127 Carroll Ave, Mamaroneck 115 Wagner Ave, Mamaroneck 900 E Boston Post Rd, Mamaroneck 125 Carroll Ave, Mamaroneck 216 Union Ave, Mamaroneck 131 Carroll Ave, Mamaroneck 121 Carroll Ave, Mamaroneck 125 Wagner Ave, Mamaroneck 203 Carroll Ave, Mamaroneck 234-236 Union Ave, Mamaroneck 123 Carroll Ave, Mamaroneck 117 Wagner Ave, Mamaroneck 210 Union Ave, Mamaroneck 310 Ward Ave, Mamaroneck 135 Carroll Ave, Mamaroneck 318 Ward Ave, Mamaroneck 316 Ward Ave, Mamaroneck 121 Wagner Ave, Mamaroneck 222 Union Ave, Mamaroneck

Nearby ZIP codes for 230 Union Avenue, Mamaroneck, NY

10528, Westchester County, NY 10530, Westchester County, NY 10538, Westchester County, NY 10552, Westchester County, NY 10553, Westchester County, NY 10573, Westchester County, NY 10577, Westchester County, NY 10580, Westchester County, NY 10583, Westchester County, NY 10601, Westchester County, NY 10604, Westchester County, NY 10605, Westchester County, NY 10606, Westchester County, NY 10707, Westchester County, NY 10708, Westchester County, NY 10709, Westchester County, NY 10801, Westchester County, NY 10803, Westchester County, NY 10804, Westchester County, NY 10805, Westchester County, NY

Frequently asked questions

What is the year built for 230 Union Avenue, Mamaroneck, NY 10543?

The development at 230 Union Avenue, Mamaroneck, NY 10543 was built in 1920.

What is the total square footage of 230 Union Avenue, Mamaroneck, NY 10543?

230 Union Avenue, Mamaroneck, NY 10543 has a total of 1,938 square feet.

When was 230 Union Avenue, Mamaroneck, NY 10543 last sold and what was the sale price?

230 Union Avenue, Mamaroneck, NY 10543 was last sold on 03/01/2012 for $1.

What is the assessed value of 230 Union Avenue, Mamaroneck, NY 10543?

230 Union Avenue, Mamaroneck, NY 10543 is currently assessed at $1,222,300.

What are the property taxes for 230 Union Avenue, Mamaroneck, NY 10543?

The property taxes for 230 Union Avenue, Mamaroneck, NY 10543 total $26,411.

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