Westchester County  »  10543  »  Jefferson Ave  »  520 Jefferson Ave

520 Jefferson Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 520 Jefferson Ave

Property image for 520 Jefferson Avenue, Mamaroneck, NY 10543
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Property type

One Family Year-Round Residence (210)

Year built

1847

Acreage

0.11

General information

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Address
Primary address
520 Jefferson Avenue
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
154.34-1-80

Owner

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Tax
Tax year
2025
Current property tax
$17,008
Zoning & Use
Zoning
R-2F
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,464
Buildings on lot
1
Stories
2
Year built
1847
AC
No
Rooms
7
Bedrooms
4
Bathrooms
1
Half bathrooms
1
Condition
Normal
Exterior wall
Wood
Building style
Colonial
Kitchen
1
Basement
3
Fireplaces
1
Heating
Hot water/steam
Fuel
Gas
First story sq. ft.
Second story sq. ft.
Lot
Lot dimensions
50 ft X 100 ft
Acreage
0.11
Frontage
50 ft
Depth
100
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
85 /100.  Very Walkable
Transit score
50 /100.  Good Transit
Bike score
67 /100.  Bikeable
School district
554801

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

Ownership

Ownership information for 520 Jefferson Avenue, Mamaroneck, NY

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

Sales history for 520 Jefferson Avenue, Mamaroneck, NY 10543

No recently recorded sales for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
06/06/2022 - R
05/19/2022 - D		 Mortgage XXXXX XXXXXXX-XXXXXXX XXXXXXXXX XXXXXXX XXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 520 Jefferson 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
$17,008
Base tax
$17,288
Recent tax assessments
Market value
$800,100
Land value
$275,900
Building value
$524,200
Assessed value
$800,100

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 $800,100 $800,100 21.6079 $17,288 +6.91%
2024 $754,800 $754,800 21.4249 $16,172 -3.19%
2023 $740,000 $740,000 22.5745 $16,705 +2.74%
2022 $698,100 $698,100 23.2904 $16,259 +1.42%
2021 $640,500 $640,500 25.0283 $16,031 -5.48%
2020 $640,500 $640,500 26.47812 $16,959 +2.83%
2019 $583,100 $583,100 28.285446 $16,493 +11.37%
2018 $571,200 $571,200 25.9262 $14,809 +0.26%
2017 $568,300 $568,300 25.989782 $14,770 +5.12%
2016 $523,100 $523,100 26.86073 $14,051 -9.25%
Permits

Permit information for 520 Jefferson 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

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 520 Jefferson 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.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Mamaroneck Avenue School 6 Public K-5 684 0.29
F E Bellows Elementary School 8 Public 3-5 347 0.47
French-American School of New York NR Private PK-12 765 0.54
French-American School of New York NR Private PK-12 765 0.54
Daniel Warren Elementary School NR Public K-2 320 0.64
Parsons Memorial School 5 Public K-5 488 1.07
Central School 8 Public PK, K-5 513 1.56
Central School 8 Public PK, K-5 513 1.56
Westchester Day School NR Private PK, K-8 379 1.60
Westchester Day School NR Private PK, K-8 379 1.60
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.54
Rye Neck Middle School 7 Public 6-8 351 0.93
Westchester Day School NR Private PK, K-8 379 1.60
Louis M Klein Middle School 7 Public 6-8 824 1.63
Ss John & Paul School NR Private PK-8 349 1.68
Hommocks School 7 Public 6-8 1,258 1.77
Windward School NR Private 1-9 0 2.25
Albert Leonard Middle School 7 Public 6-8 1,086 2.60
Hudson Country Montessori School NR Private PK-8 201 2.64
Rye Middle School 10 Public 6-8 685 2.68
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.54
Rye Neck Senior High School 9 Public 9-12 515 0.93
Mamaroneck High School 8 Public 9-12 1,660 1.28
Westchester Hebrew High School NR Private 9-12 87 1.60
Harrison High School 9 Public 9-12 1,064 1.65
Rye High School 10 Public 9-12 903 2.68
Solomon Schechter School of Westchester NR Private K-12 741 2.78
Thornton-Donovan School NR Private K-12 170 3.09
Iona Preparatory School NR Private PK-12 1,008 3.19
Scarsdale Middle School 10 Public 6-8, 10 1,131 3.34

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

Neighbors for 520 Jefferson Avenue, Mamaroneck, NY

212 Jensen Ave, Mamaroneck 216 Jensen Ave, Mamaroneck 221 Frank Ave, Mamaroneck 619 Cedar St, Mamaroneck 228 Jensen Ave, Mamaroneck 528 Jefferson Ave, Mamaroneck 316 Florence St, Mamaroneck 324 Florence St, Mamaroneck 524 Jefferson Ave, Mamaroneck 532 Jefferson Ave, Mamaroneck 545 Jefferson Ave, Mamaroneck 225 Frank Ave, Mamaroneck 227 Jensen Ave, Mamaroneck 611 Cedar St, Mamaroneck 224 Jensen Ave, Mamaroneck 543 Jefferson Ave, Mamaroneck 225 Jensen Ave, Mamaroneck 315 Florence St, Mamaroneck 615 Cedar St, Mamaroneck 220 Jensen Ave, Mamaroneck

Nearby ZIP codes for 520 Jefferson 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 520 Jefferson Avenue, Mamaroneck, NY 10543?

The development at 520 Jefferson Avenue, Mamaroneck, NY 10543 was built in 1847.

What is the total square footage of 520 Jefferson Avenue, Mamaroneck, NY 10543?

520 Jefferson Avenue, Mamaroneck, NY 10543 has a total of 2,464 square feet.

What is the assessed value of 520 Jefferson Avenue, Mamaroneck, NY 10543?

520 Jefferson Avenue, Mamaroneck, NY 10543 is currently assessed at $800,100.

What are the property taxes for 520 Jefferson Avenue, Mamaroneck, NY 10543?

The property taxes for 520 Jefferson Avenue, Mamaroneck, NY 10543 total $17,288.

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