Westchester County  »  10543  »  Old Boston Post Rd  »  805 Old Boston Post Rd

805 Old Boston Post Road, Mamaroneck, NY 10543 Property Information

805 Old Boston Post Road, Mamaroneck, NY 10543 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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805 Old Boston Post Road, Mamaroneck, NY 10543 2
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Address

Primary address 805 Old Boston Post Road, Mamaroneck
Zip code 10543
County Westchester
Municipality Mamaroneck
Parcel ID 9.20-112-0

Sales & Tax Overview for 805 Old Boston Post Road, Mamaroneck

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

Current property tax $19,054

Lot & Building Information for 805 Old Boston Post Road, Mamaroneck

Building sqft 4,008
Building class Two Family Year-Round Residence (220)
Acreage 0.41
Year built 1890
Stories 2
Units 2
Bedrooms 5
Bathrooms 3
Kitchen 2
Water supply Comm/public
Sewer Comm/public
Style Colonial
Condition 4
Basement 4
Exterior wall Alum/vinyl
Heating type Hot water/steam
Heating fuel Oil
Fireplace 1
First story sqft
Second story sqft
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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 805 Old Boston Post Road, Mamaroneck

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About 805 Old Boston Post Road, Mamaroneck

What is the year built & the total sq. ft. for 805 Old Boston Post Road, Mamaroneck, NY 10543?

805 Old Boston Post Road, Mamaroneck, NY 10543 was built in 1890 and has a total of 4,008 square feet.

What is the assessed value of 805 Old Boston Post Road, Mamaroneck, NY 10543 and the property tax paid?

Assessed at $1,231,000, the tax amount paid for 805 Old Boston Post Road, Mamaroneck, NY 10543 is $26,041.

How many residential units does this building have?

This building has 2 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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.
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Past Sales & Property History for 805 Old Boston Post Road, Mamaroneck

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No recorded sales for this property.

Title Documents for 805 Old Boston Post Road, Mamaroneck

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Date Type Amount Party 1 Party 2 Doc image
11/19/2021 - D
12/01/2021 - R
Mortgage
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 805 Old Boston Post Road, Mamaroneck

Access detailed property tax data for 805 Old 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 $26,042
Current property tax $19,054
Market value $1,231,000
Assessed value $1,231,000

Assessment History for 805 Old Boston Post Road, Mamaroneck

Here's the assessment & property tax history for 805 Old 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 $1,231,000 $1,231,000 21.155 $26,042 +2.61%
2024 $1,195,000 $1,195,000 21.2384 $25,380 -2.21%
2023 $1,135,000 $1,135,000 22.8669 $25,954 +32.43%
2022 $817,000 $817,000 23.9884 $19,599 +3.31%
2021 $778,000 $778,000 24.3829 $18,970 +4.93%

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

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

Transportation

Access the detailed traffic volume map for 805 Old Boston Post Road, Mamaroneck to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Central School 8 Public PK, K-5 513 0.49
Central School 8 Public PK, K-5 513 0.49
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
Westchester Day School NR Private PK, K-8 379 0.77

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Hommocks School 7 Public 6-8 1,258 0.64
French-American School of New York NR Private PK-12 765 0.76
Westchester Day School NR Private PK, K-8 379 0.77
Ss John & Paul School NR Private PK-8 349 0.87
Rye Neck Middle School 7 Public 6-8 351 1.69

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mamaroneck High School 8 Public 9-12 1,660 0.23
French-American School of New York NR Private PK-12 765 0.76
Westchester Hebrew High School NR Private 9-12 87 0.77
Rye Neck Senior High School 9 Public 9-12 515 1.69
Thornton-Donovan School NR Private K-12 170 2.32

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

Neighbors for 805 Old Boston Post Road, Mamaroneck

Here are the neighbors for 805 Old Boston Post Road, Mamaroneck.

Address Square feet Purchase date Purchase price
801 Hall St #3, Mamaroneck 2,816
715 Old Boston Post Rd, Mamaroneck 2,144 05/09/2025 $1,160,000
817 Hall St, Mamaroneck 2,540 01/23/2009 $275,000
711 Hall St, Mamaroneck 1,290 02/14/2003 $275,000
709 Hall St, Mamaroneck 2,470 07/01/2025 $1,200,100
809 Old Boston Post Rd, Mamaroneck 3,010
151 Library Ln #59, Mamaroneck 8,880
142 W Boston Post Rd #44, Mamaroneck 2,100 12/29/1999
136 Prospect Ave, Mamaroneck 22,421
807 Hall St, Mamaroneck 1,419 05/10/2005 $505,000
713 Hall St, Mamaroneck 2,568 02/03/2023
737 W Boston Post Rd, Mamaroneck 1,704 05/04/2022
209 Royal Pl, Mamaroneck 1,340 01/21/2016 $700,000
921 Old Boston Post Rd, Mamaroneck 1,732
811 Hall St, Mamaroneck 1,396 06/14/2024 $940,000
909 Old Boston Post Rd, Mamaroneck 1,863 12/22/2017 $645,000
1030 W Boston Post Rd, Mamaroneck 8,492 03/09/2012 $2,902,412
1160 W Boston Post Rd, Mamaroneck 4,633 07/10/2018
1240 W Boston Post Rd, Mamaroneck 11,658
1202 W Boston Post Rd #20, Larchmont 15,281 09/19/2000 $175,000

Nearby ZIP Codes for 805 Old Boston Post Road, Mamaroneck

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