Westchester County  »  10543  »  Palmer Ave  »  845 Palmer Ave

845 Palmer Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 845 Palmer Ave

Property image for 845 Palmer Avenue, Mamaroneck, NY 10543
static Mapbox map

Property type

Homes for the Aged (633)

Year built

1980

Acreage

5.53

Sale price

$67,800,000

General information

Unlock this property report with a free account

Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
845 Palmer Avenue
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
9.5-54-0

Owner

Find out who owns 845 Palmer Avenue, Mamaroneck, NY 10543. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/04/2025
Sale price
$67,800,000
Arm's length
Tax
Tax year
2025
Current property tax
$418,748
Zoning & Use
Zoning
Office sq. ft.
Retail sq. ft.
Industrial sq. ft.
Building
Property type
Homes for the Aged (633)
Building sq. ft.
132,505
Buildings on lot
1
Stories
3
Story height
Year built
1980
AC coverage
Elevator
Units
0
Lot
Total sq. ft.
132,505
Acreage
5.53
Water
Comm/public
Sewer
Comm/public
Garage sq. ft.
Parking sq. ft.
Sprinkler coverage

Area overview

Walk score
72 /100.  Very Walkable
Transit score
37 /100.  Some Transit
Bike score
53 /100.  Bikeable
School district
553201

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

Ownership

Ownership information for 845 Palmer Avenue, Mamaroneck, NY

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

Sales history for 845 Palmer Avenue, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
08/04/2025 $67,800,000 XXX XXXXXX XXX XXXXXX XXX XXXXXX XXXX XXXXXXXX XXXXX XXXXXX XXXXXX XXXXXXXXXXX; XXX XXXX

*Most recent sale on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
08/20/2025 - R
08/04/2025 - D		 Mortgage XXX XXXXXX XXX XXXXXX XXX XXXXXXXXXXXX XXXXXXXXXX XXXX
08/20/2025 - R
08/04/2025 - D		 Deed XXXXXX XXXX XXXXXXXX XXXXX XXXXXX XXXXXX XXXXXXXXXXX XXX XXXXXX XXX XXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 845 Palmer 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
$418,748
Base tax
$543,262
Recent tax assessments
Market value
$25,680,000
Land value
$4,920,000
Building value
$20,760,000
Assessed value
$25,680,000

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 $25,680,000 $25,680,000 21.155 $543,262 -0.39%
2024 $25,680,000 $25,680,000 21.2384 $545,402 -7.12%
2023 $25,680,000 $25,680,000 22.8669 $587,221 -4.68%
2022 $25,680,000 $25,680,000 23.9884 $616,021 -1.62%
2021 $25,680,000 $25,680,000 24.3829 $626,153 +1.83%
2020 $25,680,000 $25,680,000 23.94485 $614,904 +1.21%
2018 $25,680,000 $25,680,000 23.6592 $607,568 +2.66%
2017 $25,680,000 $25,680,000 23.047128 $591,850 -3.73%
2016 $25,680,000 $25,680,000 23.939108 $614,756 -8.09%
2015 $25,680,000 $25,680,000 26.0473 $668,896 -93.13%
Permits

Permit information for 845 Palmer 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

Demographics by ZIP code

Total population
20,989
Median age
39.8
Average household income
$202,707
Family households
71.7%
People per household (average)
2.71
Occupied housing units
7,630
Owner-occupied units
58.2%
Median year structure built
1954
Median value mortgaged units
$756,700
Median value unmortgaged units
$688,400

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 845 Palmer 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.

Neighbors for 845 Palmer Avenue, Mamaroneck, NY

357 Mamaroneck Ave #65, Mamaroneck 517 Fayette Ave, Mamaroneck 510 Fayette Ave, Mamaroneck 124 E Prospect Ave, Mamaroneck 172 E Prospect Ave, Mamaroneck 180 E Prospect Ave, Mamaroneck 309 Fayette Ave, Mamaroneck 430 Fayette Ave, Mamaroneck 132 E Prospect Ave, Mamaroneck 514 Fayette Ave, Mamaroneck 527 Fayette Ave, Mamaroneck 343 Mamaroneck Ave, Mamaroneck 316 Northrup Ave, Mamaroneck 509 Fayette Ave, Mamaroneck 434 Fayette Ave, Mamaroneck 431 Fayette Ave, Mamaroneck 519 Center Ave, Mamaroneck 325 Center Ave, Mamaroneck 513 Fayette Ave, Mamaroneck 502 Fayette Ave, Mamaroneck

Nearby ZIP codes for 845 Palmer 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 845 Palmer Avenue, Mamaroneck, NY 10543?

The development at 845 Palmer Avenue, Mamaroneck, NY 10543 was built in 1980.

What is the total square footage of 845 Palmer Avenue, Mamaroneck, NY 10543?

845 Palmer Avenue, Mamaroneck, NY 10543 has a total of 132,505 square feet.

When was 845 Palmer Avenue, Mamaroneck, NY 10543 last sold and what was the sale price?

845 Palmer Avenue, Mamaroneck, NY 10543 was last sold on 08/04/2025 for $67,800,000.

What is the assessed value of 845 Palmer Avenue, Mamaroneck, NY 10543?

845 Palmer Avenue, Mamaroneck, NY 10543 is currently assessed at $25,680,000.

What are the property taxes for 845 Palmer Avenue, Mamaroneck, NY 10543?

The property taxes for 845 Palmer Avenue, Mamaroneck, NY 10543 total $543,261.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account