Westchester County  »  10543  »  River St  »  721 River St

721 River Street, Mamaroneck, NY 10543 - Property report

Also known as: 721 River St

Property image for 721 River Street, Mamaroneck, NY 10543
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Property type

Two Family Year-Round Residence (220)

Year built

1929

Acreage

0.24

Sale price

$1

General information

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Address
Primary address
721 River Street
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
147.82-1-28

Owner

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Sales
Sale date
01/06/2017
Sale price
$1
Arm's length
Tax
Tax year
2025
Current property tax
$15,876
Zoning & Use
Zoning
R-5
Units
2
Building
Property type
Two Family Year-Round Residence (220)
Building sq. ft.
1,352
Buildings on lot
1
Stories
2
Year built
1929
AC
No
Rooms
6
Bedrooms
3
Bathrooms
2
Half bathrooms
1
Condition
Normal
Exterior wall
Wood
Building style
Colonial
Kitchen
2
Basement
4
Fireplaces
1
Heating
Hot water/steam
Fuel
Oil
First story sq. ft.
Second story sq. ft.
Lot
Lot dimensions
75 ft X 140 ft
Acreage
0.24
Frontage
75 ft
Depth
140
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
61 /100.  Somewhat Walkable
Transit score
45 /100.  Some Transit
Bike score
44 /100.  Somewhat Bikeable
School district
554801

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

Ownership

Ownership information for 721 River Street, Mamaroneck, NY

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

Sales history for 721 River Street, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
01/06/2017 $1 XXX XXXXX XX XXX XXXXX XXXXXX XXXXX; XXXXXXXX XXXXX; XXXX XXXXX
06/22/2005 $1 XXXXX XXXXXX XXXXX XXXXX XXXXXXX

*Most recent sales on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
03/16/2017 - R
01/06/2017 - D		 Deed XXXXX XXXXXX XXXXX XXX XXXXX XX XXX
10/24/2005 - R
06/22/2005 - D		 Deed XXXXX XXXXXXX XXXXX XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 721 River Street, 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
$15,876
Base tax
$15,238
Recent tax assessments
Market value
$705,200
Land value
$400,600
Building value
$304,600
Assessed value
$705,200

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 $705,200 $705,200 21.6079 $15,238 +6.92%
2024 $665,200 $665,200 21.4249 $14,252 -3.20%
2023 $652,200 $652,200 22.5745 $14,723 +2.74%
2022 $615,300 $615,300 23.2904 $14,331 +1.43%
2021 $564,500 $564,500 25.0283 $14,128 -5.48%
2020 $564,500 $564,500 26.47812 $14,947 +1.31%
2019 $521,600 $521,600 28.285446 $14,754 +15.36%
2018 $493,300 $493,300 25.9262 $12,789 -4.58%
2017 $515,700 $515,700 25.989782 $13,403 +3.76%
2016 $480,900 $480,900 26.86073 $12,917 -7.78%
Permits

Permit information for 721 River Street, 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 721 River Street, 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)
Mamaroneck Avenue School 6 Public K-5 684 0.40
F E Bellows Elementary School 8 Public 3-5 347 0.61
Daniel Warren Elementary School NR Public K-2 320 0.67
French-American School of New York NR Private PK-12 765 0.76
French-American School of New York NR Private PK-12 765 0.76
Parsons Memorial School 5 Public K-5 488 0.88
Harrison Avenue Elementary School 9 Public K-5 559 1.47
Osborn School 9 Public K-5 455 1.66
Central School 8 Public PK, K-5 513 1.81
Central School 8 Public PK, K-5 513 1.81
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.76
Rye Neck Middle School 7 Public 6-8 351 0.88
Louis M Klein Middle School 7 Public 6-8 824 1.39
Westchester Day School NR Private PK, K-8 379 1.83
Ss John & Paul School NR Private PK-8 349 1.90
Hommocks School 7 Public 6-8 1,258 2.02
Windward School NR Private 1-9 0 2.02
Rye Middle School 10 Public 6-8 685 2.53
Solomon Schechter School of Westchester NR Private K-12 741 2.55
Albert Leonard Middle School 7 Public 6-8 1,086 2.73
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.76
Rye Neck Senior High School 9 Public 9-12 515 0.88
Harrison High School 9 Public 9-12 1,064 1.42
Mamaroneck High School 8 Public 9-12 1,660 1.53
Westchester Hebrew High School NR Private 9-12 87 1.83
Rye High School 10 Public 9-12 903 2.53
Solomon Schechter School of Westchester NR Private K-12 741 2.55
Rye Country Day School NR Private PK-12 924 3.17
Scarsdale Middle School 10 Public 6-8, 10 1,131 3.21
Iona Preparatory School NR Private PK-12 1,008 3.24

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

Neighbors for 721 River Street, Mamaroneck, NY

731 River St, Mamaroneck 718 Bradley St, Mamaroneck 724 River St, Mamaroneck 706 Bradley St, Mamaroneck 811 N Barry Ave, Mamaroneck 805 N Barry Ave, Mamaroneck 730 River St, Mamaroneck 714 Bradley St, Mamaroneck 702 Bradley St, Mamaroneck 708 Bradley St, Mamaroneck 725 River St, Mamaroneck 720 River St, Mamaroneck 812 Grove St, Mamaroneck 712 Bradley St, Mamaroneck 714 1st St, Mamaroneck

Nearby ZIP codes for 721 River Street, 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 721 River Street, Mamaroneck, NY 10543?

The development at 721 River Street, Mamaroneck, NY 10543 was built in 1929.

What is the total square footage of 721 River Street, Mamaroneck, NY 10543?

721 River Street, Mamaroneck, NY 10543 has a total of 1,352 square feet.

When was 721 River Street, Mamaroneck, NY 10543 last sold and what was the sale price?

721 River Street, Mamaroneck, NY 10543 was last sold on 01/06/2017 for $1.

What is the assessed value of 721 River Street, Mamaroneck, NY 10543?

721 River Street, Mamaroneck, NY 10543 is currently assessed at $705,200.

What are the property taxes for 721 River Street, Mamaroneck, NY 10543?

The property taxes for 721 River Street, Mamaroneck, NY 10543 total $15,237.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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