Westchester County  »  10543  »  W Boston Post Rd  »  921 W Boston Post Rd

921 West Boston Post Road, Mamaroneck, NY 10543 Property Information

921 West Boston Post Road, Mamaroneck, NY 10543 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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921 West Boston Post Road, Mamaroneck, NY 10543
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Address

Primary address 921 West Boston Post Road, Mamaroneck
Zip code 10543
County Westchester
Municipality Mamaroneck
Parcel ID 9.21-114-0

Sales & Tax Overview for 921 West Boston Post Road, Mamaroneck

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Sale date 03/31/2006
Sale price $1,210,000
Arm's length
Current property tax $11,822

Lot & Building Information for 921 West Boston Post Road, Mamaroneck

Building sqft 3,562
Building class Downtown Row Type (Detached) (482)
Acreage 0.11
Lot dimensions 50 ft X 100 ft
Frontage 50
Depth 100
Year built 1910
Stories 3
Water supply Comm/public
Sewer Comm/public
Retail sqft
Story height
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Mamaroneck

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Other Property Data for 921 West Boston Post Road, Mamaroneck

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About 921 West Boston Post Road, Mamaroneck

How many square feet does 921 West Boston Post Road, Mamaroneck, NY 10543 have?

This Downtown Row Type (Detached) (482) located at 921 West Boston Post Road, Mamaroneck, NY 10543 has a total of 3,562 square feet.

What is the year built & the current market value of 921 West Boston Post Road, Mamaroneck, NY 10543?

921 West Boston Post Road, Mamaroneck, NY 10543 was built in 1910 and has a current tax assessor's market value of $725,000.

How many commercial spaces does this building have?

This building has 6 commercial spaces available for lease.

Ownership Information

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Past Sales & Property History for 921 West Boston Post Road, Mamaroneck

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Purchase date Purchase price Buyer name Seller name
03/31/2006 $1,210,000

Title Documents for 921 West Boston Post Road, Mamaroneck

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Date Type Amount Party 1 Party 2 Doc image
07/16/2025 - D
12/22/2025 - R
Deed
06/23/2020 - D
07/09/2020 - R
Deed
03/31/2006 - D
06/28/2006 - R
Deed
           
           
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R: Recorded date
D: Document date

Property Taxes for 921 West Boston Post Road, Mamaroneck

Access detailed property tax data for 921 West Boston Post Road, Mamaroneck, NY 10543. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025
Base tax $15,337
Current property tax $11,822
Market value $725,000
Assessed value $725,000

Assessment History for 921 West Boston Post Road, Mamaroneck

Here's the assessment & property tax history for 921 West Boston Post Road, 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 $725,000 $725,000 21.155 $15,337 -0.39%
2024 $725,000 $725,000 21.2384 $15,398 -7.12%
2023 $725,000 $725,000 22.8669 $16,578 -4.68%
2022 $725,000 $725,000 23.9884 $17,392 -1.62%
2021 $725,000 $725,000 24.3829 $17,678 +1.83%

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) X (See more on map)

Transportation

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Neighbors for 921 West Boston Post Road, Mamaroneck

Here are the neighbors for 921 West Boston Post Road, Mamaroneck.

Address Square feet Purchase date Purchase price
1205 W Boston Post Rd, Mamaroneck 4,733
1137 W Boston Post Rd #39, Mamaroneck 6,436 07/27/2017 $2,000,000
821 W Boston Post Rd, Mamaroneck 4,957
917 Hall St, Mamaroneck 1,364 12/23/2024
701 Fairway Grn, Mamaroneck 2,466 07/17/2011
1203 Fairway Grn, Mamaroneck 2,245 05/23/2008
915 W Boston Post Rd, Mamaroneck 3,187 06/30/2016 $800,000
1204 Fairway Grn, Mamaroneck 2,856 09/24/2009 $725,000
823 Hall St, Mamaroneck 2,516 07/16/2025
914 Hall St, Mamaroneck 1,525
829 Hall St, Mamaroneck 2,228
702 Fairway Grn, Mamaroneck 2,466 04/17/2025 $1,486,220
1202 Fairway Grn, Mamaroneck 2,294 10/18/1995 $415,000
929 W Boston Post Rd, Mamaroneck 3,520
815 Old Boston Post Rd #17, Mamaroneck 2,604 08/19/2002
829 W Boston Post Rd, Mamaroneck 2,081 08/10/2016
801 Fairway Grn, Mamaroneck 2,856 12/18/2007
915 Old Boston Post Rd, Mamaroneck 2,400 07/18/2023
1153 W Boston Post Rd #67, Mamaroneck 1,305
1101 Old Post Rd, Mamaroneck

Nearby ZIP Codes for 921 West Boston Post Road, Mamaroneck

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