Westchester County  »  10543  »  Osborne Ave  »  205 Osborne Ave

205 Osborne Avenue, Mamaroneck, NY 10543 - Property report

Also known as: 205 Osborne Ave

Property image for 205 Osborne Avenue, Mamaroneck, NY 10543
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Property type

One Family Year-Round Residence (210)

Year built

1910

Acreage

0.22

Sale price

$665,000

General information

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Address
Primary address
205 Osborne Avenue
ZIP code
10543
County
Westchester
SWIS code
Village of Mamaroneck
Parcel ID
154.36-2-9

Owner

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Sales
Sale date
09/08/2003
Sale price
$665,000
Arm's length
Tax
Tax year
2025
Current property tax
$24,633
Zoning & Use
Zoning
R-5
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,706
Buildings on lot
1
Stories
2.5
Year built
1910
AC
Yes
Rooms
7
Bedrooms
4
Bathrooms
2
Half bathrooms
1
Condition
Good
Exterior wall
Alum/vinyl
Building style
Old style
Kitchen
1
Basement
4
Fireplaces
1
Heating
Hot water/steam
Fuel
Gas
First story sq. ft.
Second story sq. ft.
Lot
Lot dimensions
100 ft X 100 ft
Acreage
0.22
Frontage
100 ft
Depth
100
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
72 /100.  Very Walkable
Transit score
29 /100.  Some Transit
Bike score
39 /100.  Somewhat Bikeable
School district
554801

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

Ownership

Ownership information for 205 Osborne Avenue, Mamaroneck, NY

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

Sales history for 205 Osborne Avenue, Mamaroneck, NY 10543

Sale date Sale price Buyer name Seller name
09/08/2003 $665,000 XXXXX XXXXXXX XXXX XXXXXX X

*Most recent sale on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
03/05/2004 - R
09/08/2003 - D		 Deed XXXX XXXXXX X XXXXX XXXXXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 205 Osborne 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
$24,633
Base tax
$23,643
Recent tax assessments
Market value
$1,094,200
Land value
$467,500
Building value
$626,700
Assessed value
$1,094,200

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 $1,094,200 $1,094,200 21.6079 $23,643 +5.90%
2024 $1,042,100 $1,042,100 21.4249 $22,327 -1.29%
2023 $1,002,000 $1,002,000 22.5745 $22,620 +1.77%
2022 $954,300 $954,300 23.2904 $22,226 +1.43%
2021 $875,500 $875,500 25.0283 $21,912 -5.48%
2020 $875,500 $875,500 26.47812 $23,182 -7.03%
2019 $881,500 $881,500 28.285446 $24,934 +11.57%
2018 $862,000 $862,000 25.9262 $22,348 +0.63%
2017 $854,500 $854,500 25.989782 $22,208 +7.70%
2016 $767,700 $767,700 26.86073 $20,621 -14.62%
Permits

Permit information for 205 Osborne Avenue, Mamaroneck, NY

No recently recorded permits for this property.

Neighborhood

Mamaroneck residential market stats

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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)
Daniel Warren Elementary School NR Public K-2 320 0.14
F E Bellows Elementary School 8 Public 3-5 347 0.44
Parsons Memorial School 5 Public K-5 488 0.73
French-American School of New York NR Private PK-12 765 0.78
French-American School of New York NR Private PK-12 765 0.78
Mamaroneck Avenue School 6 Public K-5 684 1.05
Osborn School 9 Public K-5 455 1.15
Harrison Avenue Elementary School 9 Public K-5 559 1.49
Westchester Day School NR Private PK, K-8 379 1.56
Westchester Day School NR Private PK, K-8 379 1.56
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Rye Neck Middle School 7 Public 6-8 351 0.18
French-American School of New York NR Private PK-12 765 0.78
Louis M Klein Middle School 7 Public 6-8 824 1.53
Westchester Day School NR Private PK, K-8 379 1.56
Rye Middle School 10 Public 6-8 685 2.05
Hommocks School 7 Public 6-8 1,258 2.16
Resurrection School NR Private PK, K-8 430 2.17
Resurrection Grammar School NR Private PK-8 281 2.18
Ss John & Paul School NR Private PK-8 349 2.25
Albert Leonard Middle School 7 Public 6-8 1,086 3.33
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Rye Neck Senior High School 9 Public 9-12 515 0.18
French-American School of New York NR Private PK-12 765 0.78
Westchester Hebrew High School NR Private 9-12 87 1.56
Mamaroneck High School 8 Public 9-12 1,660 1.70
Harrison High School 9 Public 9-12 1,064 1.96
Rye High School 10 Public 9-12 903 2.05
Rye Country Day School NR Private PK-12 924 2.84
Solomon Schechter School of Westchester NR Private K-12 741 3.03
Thornton-Donovan School NR Private K-12 170 3.71
Scarsdale Middle School 10 Public 6-8, 10 1,131 3.94

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

Neighbors for 205 Osborne Avenue, Mamaroneck, NY

1401 Sherman Ave, Mamaroneck 230 5th St, Mamaroneck 220 5th St, Mamaroneck 1488 Pine Knoll Ln, Mamaroneck 250 5th St, Mamaroneck 1415 Sherman Ave, Mamaroneck 1483 Pine Knoll Ln, Mamaroneck 1495 Pine Knoll Ln, Mamaroneck 1486 Pine Knoll Ln, Mamaroneck 270 5th St, Mamaroneck 260 5th St, Mamaroneck 1310 Stoneybrook Ave, Mamaroneck 200 5th St, Mamaroneck 1411 Sherman Ave, Mamaroneck 1501 Pine Knoll Ln, Mamaroneck 1489 Pine Knoll Ln, Mamaroneck 1419 Sherman Ave, Mamaroneck 1325 Sherman Ave, Mamaroneck 306 5th St, Mamaroneck 240 5th St, Mamaroneck

Nearby ZIP codes for 205 Osborne 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 205 Osborne Avenue, Mamaroneck, NY 10543?

The development at 205 Osborne Avenue, Mamaroneck, NY 10543 was built in 1910.

What is the total square footage of 205 Osborne Avenue, Mamaroneck, NY 10543?

205 Osborne Avenue, Mamaroneck, NY 10543 has a total of 2,706 square feet.

When was 205 Osborne Avenue, Mamaroneck, NY 10543 last sold and what was the sale price?

205 Osborne Avenue, Mamaroneck, NY 10543 was last sold on 09/08/2003 for $665,000.

What is the assessed value of 205 Osborne Avenue, Mamaroneck, NY 10543?

205 Osborne Avenue, Mamaroneck, NY 10543 is currently assessed at $1,094,200.

What are the property taxes for 205 Osborne Avenue, Mamaroneck, NY 10543?

The property taxes for 205 Osborne Avenue, Mamaroneck, NY 10543 total $23,643.

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