Nassau County  »  11791  »  Winthrop Ave  »  18 Winthrop Ave

18 Winthrop Avenue, Syosset, NY 11791 - Property report

Also known as: 18 Winthrop Ave

Property image for 18 Winthrop Avenue, Syosset, NY 11791
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1952

Acreage

0.169

Sale price

$545,000

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
18 Winthrop Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-64-23

Owner

Find out who owns 18 Winthrop Avenue, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
01/05/2010
Sale price
$545,000
Arm's length
Tax
Tax year
2026
Current property tax
$20,715
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,995
Buildings on lot
1
Stories
1.7
Year built
1952
Rooms
8
Bathrooms
3
Exterior wall
Alum/Vinyl
Building style
Cape
Basement
Full
Attic
None
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.169
Topography
Level
Land
Primary site

Area overview

Walk score
74 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
50 /100.  Bikeable
School district
3014

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

Ownership

Ownership information for 18 Winthrop Avenue, Syosset, NY

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

Sales history for 18 Winthrop Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
01/05/2010 $545,000 XXXXXXXX XXXXXXXX X; XXXXXXX XXXXXX; XXXXXXX XXXXXX XXXXX XXXXXXXXXX; XXXXXXXX XXXXXXXXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
04/28/2021 - R Other
(Mortgage satisfaction)		 XXXXXX XXXXXXX XXXXXXXX XXXXX XXXX XX
01/11/2017 - R
10/19/2016 - D		 Deed XXXXXX XXXXXXX & XXXXXXX XXXXXX XXXXXXX & XXXXXX X X
01/26/2010 - R
01/05/2010 - D		 Deed XXXXX XXXXXXXXXX XXXXXXXX XXXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18 Winthrop Avenue, Syosset, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Property tax
$20,715
Current school tax
Recent tax assessments
Market value
$637,000
Assessed value
$637
Transitional assessed value

More about Nassau 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
2026 $637,000 $637 3251.91 $20,715 +5.05%
2025 $628,000 $628 3139.97 $19,719 -8.77%
2024 $675,000 $643 3361.673 $21,616 -6.69%
2023 $663,000 $663 3493.926 $23,165 -10.16%
2022 $675,000 $675 3820.056 $25,785 -14.27%
2021 $700,000 $700 4296.58 $30,076 +96.86%
2020 $324,800 $812 1881.494 $15,278 -0.57%
2019 $348,000 $870 1766.064 $15,365 -0.77%
2018 $371,200 $928 1668.546 $15,484 -0.65%
2017 $394,400 $986 1580.606 $15,585 -0.05%
Permits

Permit information for 18 Winthrop Avenue, Syosset, NY

No recently recorded permits for this property.

Neighborhood

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 18 Winthrop Avenue, Syosset, NY 11791 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)
Willits Elementary School 9 Public K-5 305 0.49
St Edward Confessor School NR Private PK-8 265 0.66
St Edward Confessor School NR Private PK-8 265 0.66
Village Elementary School 9 Public K-5 415 0.78
South Grove Elementary School 9 Public K-5 416 0.82
P.S. 256 NR Public PK, K-12 500 1.01
P.S. 256 NR Public PK, K-12 500 1.01
Baylis Elementary School 9 Public K-5 405 1.17
Robbins Lane Elementary School 9 Public K-5 500 1.47
Judy Jacobs Parkway Elementary School 8 Public K-4 392 1.47
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
H B Thompson Middle School 9 Public 6-8 997 0.51
St Edward Confessor School NR Private PK-8 265 0.66
Fusion Academy Woodbury Ny NR Private 6-12 75 0.86
P.S. 256 NR Public PK, K-12 500 1.01
South Woods Middle School 8 Public 6-8 746 1.61
The Center For Developmental Disabilities NR Private 105 1.81
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.18
Good Shepherd Lutheran School NR Private 0 2.33
Our Lady Of Mercy School NR Private PK-8 195 2.42
Jericho Middle School 9 Public 6-8 810 2.46
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fusion Academy Woodbury Ny NR Private 6-12 75 0.86
P.S. 256 NR Public PK, K-12 500 1.01
Our Lady Of Mercy Academy NR Private 9-12 359 1.20
Syosset Senior High School 10 Public 9-12 2,266 1.58
The Center For Developmental Disabilities NR Private 105 1.81
Good Shepherd Lutheran School NR Private 0 2.33
Jericho Senior High School 10 Public 9-12 1,258 2.46
Long Island Lutheran Middle & High School NR Private 6-12 439 2.78
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 2.81

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

Neighbors for 18 Winthrop Avenue, Syosset, NY

8 Stuart Dr, Syosset 5 Winthrop Ave, Syosset 10 Stuart Dr, Syosset 14 Stuart Dr, Syosset 15 Winthrop Ave, Syosset 7 Winthrop Ave, Syosset 16 Stuart Dr, Syosset 21 Winthrop Ave, Syosset 19 Winthrop Ave, Syosset 17 Winthrop Ave, Syosset 11 Winthrop Ave, Syosset 16 Winthrop Ave, Syosset 14 Winthrop Ave, Syosset 10 Winthrop Ave, Syosset 20 Winthrop Ave, Syosset 22 Winthrop Ave, Syosset 12 Stuart Dr, Syosset 18 Stuart Dr, Syosset 20 Stuart Dr, Syosset 9 Winthrop Ave, Syosset

Nearby ZIP codes for 18 Winthrop Avenue, Syosset, NY

11545, Nassau County, NY 11548, Nassau County, NY 11554, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11590, Nassau County, NY 11709, Nassau County, NY 11714, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11743, Suffolk County, NY 11747, Suffolk County, NY 11753, Nassau County, NY 11756, Nassau County, NY 11765, Nassau County, NY 11797, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 18 Winthrop Avenue, Syosset, NY 11791?

The development at 18 Winthrop Avenue, Syosset, NY 11791 was built in 1952.

What is the total square footage of 18 Winthrop Avenue, Syosset, NY 11791?

18 Winthrop Avenue, Syosset, NY 11791 has a total of 1,995 square feet.

When was 18 Winthrop Avenue, Syosset, NY 11791 last sold and what was the sale price?

18 Winthrop Avenue, Syosset, NY 11791 was last sold on 01/05/2010 for $545,000.

What is the assessed value of 18 Winthrop Avenue, Syosset, NY 11791?

18 Winthrop Avenue, Syosset, NY 11791 is currently assessed at $637.

What are the property taxes for 18 Winthrop Avenue, Syosset, NY 11791?

The property taxes for 18 Winthrop Avenue, Syosset, NY 11791 total $20,714.

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