Westchester County  »  10543  »  Old Boston Post Rd  »  909 Old Boston Post Rd

909 Old Boston Post Road, Mamaroneck, NY 10543 - Property report

Also known as: 909 Old Boston Post Rd

Property image for 909 Old Boston Post Road, Mamaroneck, NY 10543
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Property type

Two Family Year-Round Residence (220)

Year built

1960

Acreage

0.13

Sale price

$645,000

General information

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Address
Primary address
909 Old Boston Post Road
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
9.20-10-0

Owner

Find out who owns 909 Old Boston Post Road, Mamaroneck, NY 10543. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/22/2017
Sale price
$645,000
Arm's length
Tax
Tax year
2025
Current property tax
$13,583
Zoning & Use
Zoning
R-5
Units
2
Building
Property type
Two Family Year-Round Residence (220)
Building sq. ft.
1,863
Buildings on lot
1
Stories
1
Year built
1960
AC
Yes
Bedrooms
4
Bathrooms
2
Condition
Normal
Exterior wall
Alum/vinyl
Building style
Split level
Kitchen
2
Basement
3
Heating
Hot air
Fuel
Gas
First story sq. ft.
Lot
Acreage
0.13
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
80 /100.  Very Walkable
Transit score
34 /100.  Some Transit
Bike score
50 /100.  Bikeable
School district
553201

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

Ownership

Ownership information for 909 Old Boston Post Road, Mamaroneck, NY

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

Sales history for 909 Old Boston Post Road, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
12/22/2017 $645,000 XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXXXXX
03/26/2004 $620,000 XXXXX XXXX XXXX XXXXX
05/16/1996 $255,000 XXXX XXXXX XXXXXXX XXXXX

*Most recent sales on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
01/05/2018 - R
12/22/2017 - D		 Deed XXXXXXXXXXX XXXXXXX XXXXXXXX XXXXXXXX
07/21/2004 - R
03/26/2004 - D		 Deed XXXX XXXXX XXXXX XXXX
05/20/1996 - R
05/16/1996 - D		 Deed XXXXXXX XXXXX XXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 909 Old Boston Post Road, 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
$13,583
Base tax
$17,622
Recent tax assessments
Market value
$833,000
Land value
$390,000
Building value
$443,000
Assessed value
$833,000

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 $833,000 $833,000 21.155 $17,622 +2.56%
2024 $809,000 $809,000 21.2384 $17,182 +0.32%
2023 $749,000 $749,000 22.8669 $17,127 +3.93%
2022 $687,000 $687,000 23.9884 $16,480 +3.35%
2021 $654,000 $654,000 24.3829 $15,946 +4.88%
2020 $635,000 $635,000 23.94485 $15,205 +1.21%
2018 $635,000 $635,000 23.6592 $15,024 +10.49%
2017 $590,000 $590,000 23.047128 $13,598 -1.73%
2016 $578,000 $578,000 23.939108 $13,837 -3.41%
2015 $550,000 $550,000 26.0473 $14,326 -93.13%
Permits

Permit information for 909 Old Boston Post Road, 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 909 Old Boston Post Road, 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)
Central School 8 Public PK, K-5 513 0.43
Central School 8 Public PK, K-5 513 0.43
Westchester Day School NR Private PK, K-8 379 0.79
Westchester Day School NR Private PK, K-8 379 0.79
French-American School of New York NR Private PK-12 765 0.82
French-American School of New York NR Private PK-12 765 0.82
Ss John & Paul School NR Private PK-8 349 0.83
Chatsworth Avenue School 8 Public K-5 633 1.03
F E Bellows Elementary School 8 Public 3-5 347 1.16
Murray Avenue School 9 Public K-5 703 1.17
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Hommocks School 7 Public 6-8 1,258 0.58
Westchester Day School NR Private PK, K-8 379 0.79
French-American School of New York NR Private PK-12 765 0.82
Ss John & Paul School NR Private PK-8 349 0.83
Rye Neck Middle School 7 Public 6-8 351 1.75
Albert Leonard Middle School 7 Public 6-8 1,086 2.20
Thornton-Donovan School NR Private K-12 170 2.27
Hudson Country Montessori School NR Private PK-8 201 2.43
Louis M Klein Middle School 7 Public 6-8 824 2.85
Isaac E Young Middle School 6 Public 6-8 1,138 3.32
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Mamaroneck High School 8 Public 9-12 1,660 0.18
Westchester Hebrew High School NR Private 9-12 87 0.79
French-American School of New York NR Private PK-12 765 0.82
Rye Neck Senior High School 9 Public 9-12 515 1.75
Thornton-Donovan School NR Private K-12 170 2.27
Salesian High School NR Private 9-12 528 2.29
Harrison High School 9 Public 9-12 1,064 2.81
New Rochelle High School 4 Public 9-12 3,076 2.99
The Ursuline School NR Private 6-12 780 3.03
Rye High School 10 Public 9-12 903 3.62

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

Neighbors for 909 Old Boston Post Road, Mamaroneck, NY

801 Hall St #3, Mamaroneck 809 Old Boston Post Rd, Mamaroneck 715 Old Boston Post Rd, Mamaroneck 817 Hall St, Mamaroneck 711 Hall St, Mamaroneck 151 Library Ln #59, Mamaroneck 128 Prospect Ave, Mamaroneck 142 W Boston Post Rd #44, Mamaroneck 136 Prospect Ave, Mamaroneck 807 Hall St, Mamaroneck 713 Hall St, Mamaroneck 737 W Boston Post Rd, Mamaroneck 805 Old Boston Post Rd, Mamaroneck 921 Old Boston Post Rd, Mamaroneck 811 Hall St, Mamaroneck 1030 W Boston Post Rd, Mamaroneck 1160 W Boston Post Rd, Mamaroneck 1240 W Boston Post Rd, Mamaroneck 1202 W Boston Post Rd #20, Larchmont 148 W Boston Post Rd #50, Mamaroneck

Nearby ZIP codes for 909 Old Boston Post Road, 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 909 Old Boston Post Road, Mamaroneck, NY 10543?

The development at 909 Old Boston Post Road, Mamaroneck, NY 10543 was built in 1960.

What is the total square footage of 909 Old Boston Post Road, Mamaroneck, NY 10543?

909 Old Boston Post Road, Mamaroneck, NY 10543 has a total of 1,863 square feet.

When was 909 Old Boston Post Road, Mamaroneck, NY 10543 last sold and what was the sale price?

909 Old Boston Post Road, Mamaroneck, NY 10543 was last sold on 12/22/2017 for $645,000.

What is the assessed value of 909 Old Boston Post Road, Mamaroneck, NY 10543?

909 Old Boston Post Road, Mamaroneck, NY 10543 is currently assessed at $833,000.

What are the property taxes for 909 Old Boston Post Road, Mamaroneck, NY 10543?

The property taxes for 909 Old Boston Post Road, Mamaroneck, NY 10543 total $17,622.

How many residential units does this building have?

This building has 2 residential unit(s).

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