Westchester County  »  10543  »  Jefferson Ave  »  300 Jefferson Ave

300 Jefferson Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 300 Jefferson Ave

Property image for 300 Jefferson Avenue, Mamaroneck, NY 10543
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Ownership information for 300 Jefferson Avenue, Mamaroneck, NY

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

Sales history for 300 Jefferson Avenue, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
10/01/2019 $900,000 XXXXXXXX XXXX XX XXXX XXXXX XXX

*Most recent sale on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
12/08/2022 - R
11/23/2022 - D
Assignment XXXXX XXX XXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
10/16/2019 - R
10/01/2019 - D
Mortgage XXXX XX XXXXXXXX XXXX X XXXXXXXX
10/16/2019 - R
10/01/2019 - D
Mortgage XXXX XX XXXXXXXX XXXXX XXX XXXX
10/16/2019 - R
10/01/2019 - D
Deed XXXX XXXXX XXX XXXXXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

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 $1,095,000 $1,095,000 21.6079 $23,661 +6.91%
2024 $1,033,000 $1,033,000 21.4249 $22,132 -3.19%
2023 $1,012,700 $1,012,700 22.5745 $22,861 +2.74%
2022 $955,400 $955,400 23.2904 $22,252 +1.43%
2021 $876,500 $876,500 25.0283 $21,937 -5.48%
2020 $876,500 $876,500 26.47812 $23,208 +9.55%
2019 $749,000 $749,000 28.285446 $21,186 +11.48%
2018 $733,000 $733,000 25.9262 $19,004 +0.32%
2017 $728,900 $728,900 25.989782 $18,944 +0.01%
2016 $705,200 $705,200 26.86073 $18,942 -8.77%

Permit information for 300 Jefferson Avenue, Mamaroneck, NY

No recently recorded permits for this property.

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

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
0.2, AE, X

Transportation

Daily traffic map

Access the detailed traffic volume map for 300 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 0.25
French-American School of New York NR Private PK-12 765 0.45
French-American School of New York NR Private PK-12 765 0.45
F E Bellows Elementary School 8 Public 3-5 347 0.52
Daniel Warren Elementary School NR Public K-2 320 0.76
Parsons Memorial School 5 Public K-5 488 1.26
Central School 8 Public PK, K-5 513 1.38
Central School 8 Public PK, K-5 513 1.38
Ss John & Paul School NR Private PK-8 349 1.48
Ss John & Paul School NR Private PK-8 349 1.48
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.45
Rye Neck Middle School 7 Public 6-8 351 1.07
Ss John & Paul School NR Private PK-8 349 1.48
Westchester Day School NR Private PK, K-8 379 1.49
Hommocks School 7 Public 6-8 1,258 1.58
Louis M Klein Middle School 7 Public 6-8 824 1.82
Windward School NR Private 1-9 0 2.37
Albert Leonard Middle School 7 Public 6-8 1,086 2.44
Hudson Country Montessori School NR Private PK-8 201 2.50
Rye Middle School 10 Public 6-8 685 2.86
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
French-American School of New York NR Private PK-12 765 0.45
Rye Neck Senior High School 9 Public 9-12 515 1.07
Mamaroneck High School 8 Public 9-12 1,660 1.10
Westchester Hebrew High School NR Private 9-12 87 1.49
Harrison High School 9 Public 9-12 1,064 1.78
Rye High School 10 Public 9-12 903 2.86
Thornton-Donovan School NR Private K-12 170 2.90
Solomon Schechter School of Westchester NR Private K-12 741 2.91
Iona Preparatory School NR Private PK-12 1,008 3.09
Scarsdale Middle School 10 Public 6-8, 10 1,131 3.37

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

Frequently asked questions

What is the year built for 300 Jefferson Avenue, Mamaroneck, NY 10543?

The development at 300 Jefferson Avenue, Mamaroneck, NY 10543 was built in 1994.

What is the total square footage of 300 Jefferson Avenue, Mamaroneck, NY 10543?

300 Jefferson Avenue, Mamaroneck, NY 10543 has a total of 2,688 square feet.

When was 300 Jefferson Avenue, Mamaroneck, NY 10543 last sold and what was the sale price?

300 Jefferson Avenue, Mamaroneck, NY 10543 was last sold on 10/01/2019 for $900,000.

What is the assessed value of 300 Jefferson Avenue, Mamaroneck, NY 10543?

300 Jefferson Avenue, Mamaroneck, NY 10543 is currently assessed at $1,095,000.

What are the property taxes for 300 Jefferson Avenue, Mamaroneck, NY 10543?

The property taxes for 300 Jefferson Avenue, Mamaroneck, NY 10543 total $23,660.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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