Westchester County  »  10543  »  Jefferson Ave  »  911 Jefferson Ave

911 Jefferson Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 911 Jefferson Ave

Property image for 911 Jefferson Avenue, Mamaroneck, NY 10543
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Property type

One Family Year-Round Residence (210)

Year built

1966

Acreage

0.11

Sale price

$1

General information

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Address
Primary address
911 Jefferson Avenue
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
154.27-1-68

Owner

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Sales
Sale date
01/16/2008
Sale price
$1
Arm's length
Tax
Tax year
2025
Current property tax
$16,637
Zoning & Use
Zoning
R-5
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,944
Buildings on lot
1
Stories
1
Year built
1966
AC
Yes
Rooms
6
Bedrooms
3
Bathrooms
1
Condition
Good
Exterior wall
Wood
Building style
Raised ranch
Kitchen
1
Basement
4
Heating
Hot air
Fuel
Gas
First story sq. ft.
Lot
Lot dimensions
68 ft X 74 ft
Acreage
0.11
Frontage
68 ft
Depth
74
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
68 /100.  Somewhat Walkable
Transit score
46 /100.  Some Transit
Bike score
56 /100.  Bikeable
School district
554801

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

Ownership

Ownership information for 911 Jefferson Avenue, Mamaroneck, NY

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

Sales history for 911 Jefferson Avenue, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
01/16/2008 $1 XXXXXX XXXXX XXXXXX XXXXXXX

*Most recent sale on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
12/09/2016 - R
11/21/2016 - D		 Deed XXXXXX XXXXX X XXXXXXX XXXXXX
04/03/2013 - R Other XXXXX XXXXXX XXXXXXX XXXX
02/04/2008 - R
01/16/2008 - D		 Deed XXXXXX XXXXXXX XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 911 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
$16,637
Base tax
$15,968
Recent tax assessments
Market value
$739,000
Land value
$248,300
Building value
$490,700
Assessed value
$739,000

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 $739,000 $739,000 21.6079 $15,968 +6.92%
2024 $697,100 $697,100 21.4249 $14,935 -3.19%
2023 $683,400 $683,400 22.5745 $15,427 +2.74%
2022 $644,700 $644,700 23.2904 $15,015 +7.52%
2021 $558,000 $558,000 25.0283 $13,966 -5.48%
2020 $558,000 $558,000 26.47812 $14,775 +15.26%
2019 $453,200 $453,200 28.285446 $12,819 +13.80%
2018 $434,500 $434,500 25.9262 $11,265 -1.74%
2017 $441,100 $441,100 25.989782 $11,464 +8.41%
2016 $393,700 $393,700 26.86073 $10,575 -11.30%
Permits

Permit information for 911 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
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
F E Bellows Elementary School 8 Public 3-5 347 0.49
Daniel Warren Elementary School NR Public K-2 320 0.51
Mamaroneck Avenue School 6 Public K-5 684 0.51
French-American School of New York NR Private PK-12 765 0.71
French-American School of New York NR Private PK-12 765 0.71
Parsons Memorial School 5 Public K-5 488 0.79
Harrison Avenue Elementary School 9 Public K-5 559 1.44
Osborn School 9 Public K-5 455 1.53
Westchester Day School NR Private PK, K-8 379 1.75
Westchester Day School NR Private PK, K-8 379 1.75
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.71
Rye Neck Middle School 7 Public 6-8 351 0.73
Louis M Klein Middle School 7 Public 6-8 824 1.38
Westchester Day School NR Private PK, K-8 379 1.75
Ss John & Paul School NR Private PK-8 349 1.96
Hommocks School 7 Public 6-8 1,258 2.03
Windward School NR Private 1-9 0 2.12
Rye Middle School 10 Public 6-8 685 2.41
Resurrection School NR Private PK, K-8 430 2.52
Albert Leonard Middle School 7 Public 6-8 1,086 2.85
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.71
Rye Neck Senior High School 9 Public 9-12 515 0.73
Harrison High School 9 Public 9-12 1,064 1.52
Mamaroneck High School 8 Public 9-12 1,660 1.54
Westchester Hebrew High School NR Private 9-12 87 1.75
Rye High School 10 Public 9-12 903 2.41
Solomon Schechter School of Westchester NR Private K-12 741 2.64
Rye Country Day School NR Private PK-12 924 3.08
Scarsdale Middle School 10 Public 6-8, 10 1,131 3.36
Thornton-Donovan School NR Private K-12 170 3.37

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

Neighbors for 911 Jefferson Avenue, Mamaroneck, NY

431 Wagner Ave, Mamaroneck 412 Edward Pl, Mamaroneck 416 Edward Pl, Mamaroneck 1506 Henry Ave, Mamaroneck 1626 Rose Ave, Mamaroneck 4 Rose Ave, Mamaroneck 915 Jefferson Ave, Mamaroneck 433 Wagner Ave, Mamaroneck 1627 Rose Ave, Mamaroneck 921 Jefferson Ave, Mamaroneck 1116 Halstead Ave, Mamaroneck 1200 Franklin Ave, Mamaroneck 1114 Franklin Ave, Mamaroneck 525 English Pl, Mamaroneck 1623 Rose Ave, Mamaroneck 1615 Rose Ave, Mamaroneck 1005 Jefferson Ave, Mamaroneck 524 Florence St, Mamaroneck 520 Florence St, Mamaroneck 1110 Franklin Ave, Mamaroneck

Nearby ZIP codes for 911 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 911 Jefferson Avenue, Mamaroneck, NY 10543?

The development at 911 Jefferson Avenue, Mamaroneck, NY 10543 was built in 1966.

What is the total square footage of 911 Jefferson Avenue, Mamaroneck, NY 10543?

911 Jefferson Avenue, Mamaroneck, NY 10543 has a total of 1,944 square feet.

When was 911 Jefferson Avenue, Mamaroneck, NY 10543 last sold and what was the sale price?

911 Jefferson Avenue, Mamaroneck, NY 10543 was last sold on 01/16/2008 for $1.

What is the assessed value of 911 Jefferson Avenue, Mamaroneck, NY 10543?

911 Jefferson Avenue, Mamaroneck, NY 10543 is currently assessed at $739,000.

What are the property taxes for 911 Jefferson Avenue, Mamaroneck, NY 10543?

The property taxes for 911 Jefferson Avenue, Mamaroneck, NY 10543 total $15,968.

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