Nassau County  »  11791  »  Alden Ave  »  20 Alden Ave

20 Alden Avenue, Syosset, NY 11791 - Property report

Also known as: 20 Alden Ave

Property image for 20 Alden Avenue, Syosset, NY 11791
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Property type

One Family Year - Round Residence (210.01)

Year built

1955

Acreage

0.139

Sale price

$439,000

General information

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Address
Primary address
20 Alden Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
12-368-14

Owner

Find out who owns 20 Alden Avenue, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
01/14/2011
Sale price
$439,000
Arm's length
Tax
Tax year
2026
Current property tax
$18,568
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
2,436
Buildings on lot
1
Stories
2
Year built
1955
Rooms
7
Bathrooms
3
Exterior wall
Mas & frame
Building style
Colonial
Basement
Full
Attic
None
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.139
Topography
Level
Land
Primary site

Area overview

Walk score
48 /100.  Car-Dependent
Transit score
0 /100.  No Nearby Transit
Bike score
40 /100.  Somewhat Bikeable
School district
3014

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

Ownership

Ownership information for 20 Alden Avenue, Syosset, NY

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

Sales history for 20 Alden Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
01/14/2011 $439,000 XXXX XXXXXX X; XXXXXXXX XXXXXX X XXXXXXXX XXXXXXXXXX; XXXXXXXXXX XXXXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
04/07/2021 - R Other
(Mortgage agreement)		 XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
04/07/2021 - R Other
(Mortgage agreement)		 XXXXXX XXXX X XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
04/07/2021 - R
02/23/2021 - D		 Mortgage
(Fixed rate)		 XXXXXX XXXX X XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
09/24/2018 - R
09/12/2018 - D		 Mortgage
(Home equity line (heloc))		 XXXXXX XXXX X XXXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
02/23/2011 - R
01/14/2011 - D		 Deed XXXXXXXX XXXXXXXXXX XXXX XXXXXX X
12/26/2007 - R
10/23/2007 - D		 Deed XXXXXXXXXX XXXXXXXX
12/15/2000 - R
11/20/2000 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 Alden 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
Current property tax
$18,568
Base tax
$24,682
Current school tax
Recent tax assessments
Market value
$759,000
Assessed value
$759
Transitional assessed value
Exemptions

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 $759,000 $759 3251.91 $24,682 +4.39%
2025 $753,000 $753 3139.97 $23,644 -18.97%
2024 $868,000 $868 3361.673 $29,179 +36.68%
2023 $611,000 $611 3493.926 $21,348 -9.57%
2022 $618,000 $618 3820.056 $23,608 -12.51%
2021 $628,000 $628 4296.58 $26,983 +137.04%
2020 $242,000 $605 1881.494 $11,383 -0.69%
2019 $259,600 $649 1766.064 $11,462 -0.73%
2018 $276,800 $692 1668.546 $11,546 -0.61%
2017 $294,000 $735 1580.606 $11,617 -0.02%
Permits

Permit information for 20 Alden Avenue, Syosset, NY

No recently recorded permits for this property.

Neighborhood

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)
Woodland Avenue School 6 Public PK, K-5 349 0.41
Woodland Avenue School 6 Public PK, K-5 349 0.41
South Grove Elementary School 9 Public K-5 416 0.69
Schechter School of Long Island NR Private K-5 114 0.77
Solomon Schechter Day School-Nassau NR Private K-5 0 0.83
Stratford Road School 9 Public K-4 626 0.89
Baylis Elementary School 9 Public K-5 405 0.92
George A Jackson School 9 Public K-5 462 0.98
Our Lady Of Mercy School NR Private PK-8 195 1.12
Our Lady Of Mercy School NR Private PK-8 195 1.12
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Our Lady Of Mercy School NR Private PK-8 195 1.12
H B Thompson Middle School 9 Public 6-8 997 1.33
Plainview Old Bethpage Middle School 8 Public 5-8 889 1.69
St Ignatius Loyola School NR Private PK, K-8 226 1.71
Good Shepherd Lutheran School NR Private 0 1.83
Jericho Middle School 9 Public 6-8 810 1.83
Trinity Lutheran School NR Private PK-8 196 1.84
Fusion Academy Woodbury Ny NR Private 6-12 75 1.92
Hicksville Middle School 4 Public 6-8 1,185 2.11
P.S. 256 NR Public PK, K-12 500 2.49
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Good Shepherd Lutheran School NR Private 0 1.83
Jericho Senior High School 10 Public 9-12 1,258 1.83
Fusion Academy Woodbury Ny NR Private 6-12 75 1.92
Long Island Christian Academy NR Private K-10 0 2.03
Hicksville High School 6 Public 9-12 1,852 2.41
P.S. 256 NR Public PK, K-12 500 2.49
New York Christian Center Academy NR Private PK, K-12 71 2.55
Carousel Day School NR Private 0 2.55
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 2.72
Bethpage Senior High School 9 Public 9-12 932 2.85

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

Neighbors for 20 Alden Avenue, Syosset, NY

57 Birchwood CT, Syosset 23 Circle Dr, Syosset 59 Birchwood CT W, Syosset 61 Birchwood CT W, Syosset 69 Birchwood Park Dr, Syosset 18 Alden Ave, Syosset 1 Circle Dr, Syosset 15 Circle Dr, Syosset 63 Birchwood CT W, Syosset 65 Birchwood CT, Syosset 2 Dale Ave, Syosset 7 Circle Dr, Syosset 51 Birchwood Park Dr, Syosset 5 Circle Dr, Syosset 16 Alden Ave, Syosset 11 Circle Dr, Syosset 83 Birchwood Park Dr, Syosset 3 Circle Dr, Syosset 53 Birchwood Park Dr, Syosset 9 Circle Dr, Syosset

Nearby ZIP codes for 20 Alden 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 20 Alden Avenue, Syosset, NY 11791?

The development at 20 Alden Avenue, Syosset, NY 11791 was built in 1955.

What is the total square footage of 20 Alden Avenue, Syosset, NY 11791?

20 Alden Avenue, Syosset, NY 11791 has a total of 2,436 square feet.

When was 20 Alden Avenue, Syosset, NY 11791 last sold and what was the sale price?

20 Alden Avenue, Syosset, NY 11791 was last sold on 01/14/2011 for $439,000.

What is the assessed value of 20 Alden Avenue, Syosset, NY 11791?

20 Alden Avenue, Syosset, NY 11791 is currently assessed at $759.

What are the property taxes for 20 Alden Avenue, Syosset, NY 11791?

The property taxes for 20 Alden Avenue, Syosset, NY 11791 total $24,682.

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