Nassau County  »  11791  »  Lilac Dr  »  21 Lilac Dr

21 Lilac Drive, Syosset, NY 11791 - Property report

Also known as: 21 Lilac Dr

Property image for 21 Lilac Drive, Syosset, NY 11791
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

2011

Acreage

0.239

Sale price

$592,500

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
21 Lilac Drive
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
25-26-19

Owner

Find out who owns 21 Lilac Drive, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/01/2009
Sale price
$592,500
Arm's length
Tax
Tax year
2026
Current property tax
$34,470
Tax class
Zoning & Use
Zoning
R1-10
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
3,241
Buildings on lot
1
Stories
2
Year built
2011
Rooms
8
Bathrooms
3
Half bathrooms
1
Exterior wall
Stucco
Building style
Colonial
Basement
Full
Attic
None
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.239
Topography
Level
Land
Primary site

Area overview

Walk score
45 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
42 /100.  Somewhat Bikeable
School district
3012

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

Ownership information for 21 Lilac Drive, Syosset, NY

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

Sales history for 21 Lilac Drive, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
10/01/2009 $592,500 XXXXXX XXXXX X; XXXXXX XXXXX XXXXXXX XXXXXXXXX; XXXXXXX X XXXXXXXXX; XXXXXX X XXXXX XX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
09/23/2024 - R
09/03/2024 - D
Deed
(Deed-deed)
XXXXX XXXXXX X XXXXXX XXXXXXXXX XXXXX XXXXXXXXX XXXXXX XXXXX
11/10/2021 - R Other
(Mortgage agreement)
XX XXXX XX XXXXXXXX XXXXX XXXX XX
11/10/2021 - R Other
(Mortgage agreement)
XXXXX XXXXXX X XXXXXXXX XXXXX XXXX XX
11/10/2021 - R
10/22/2021 - D
Mortgage
(Fixed rate)
XXXXX XXXXXX X XXXXXXXX XXXXX XXXX XX
07/23/2018 - R Other
(Mortgage satisfaction)
XXXXX XXXXXX X XXXXXXXX XXXXXXX XXXXXX XXXXX
07/26/2018 - R
06/15/2018 - D
Mortgage
(Home equity line (heloc))
XXXXX XXXXXX X XX XXXX XX
10/16/2009 - R
10/01/2009 - D
Deed XXXXXXX XXXXXXXXX XXXXXX XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 21 Lilac Drive, 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
$34,470
Current school tax
Recent tax assessments
Market value
$1,060,000
Assessed value
$1,060
Transitional assessed value

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 $1,060,000 $1,060 3251.91 $34,470 -2.24%
2025 $1,123,000 $1,123 3139.97 $35,262 -4.90%
2024 $1,242,997 $1,103 3361.673 $37,079 -9.29%
2023 $1,170,000 $1,170 3493.926 $40,879 -13.91%
2022 $1,243,000 $1,243 3820.056 $47,483 -9.41%
2021 $1,220,000 $1,220 4296.58 $52,418 +86.11%
2020 $598,800 $1,497 1881.494 $28,166 -8.29%
2019 $695,600 $1,739 1766.064 $30,712 +5.84%
2018 $695,600 $1,739 1668.546 $29,016 -0.61%
2017 $738,800 $1,847 1580.606 $29,194 -20.64%

Permit information for 21 Lilac Drive, Syosset, NY

No recently recorded permits for this property.

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

Access the detailed traffic volume map for 21 Lilac Drive, 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)
Berry Hill Elementary School 8 Public K-5 450 0.22
Village Elementary School 9 Public K-5 415 0.66
P.S. 256 NR Public PK, K-12 500 0.73
P.S. 256 NR Public PK, K-12 500 0.73
The Center For Developmental Disabilities NR Private 105 0.80
St Edward Confessor School NR Private PK-8 265 0.84
St Edward Confessor School NR Private PK-8 265 0.84
East Woods School NR Private PK, K-8 226 1.72
East Woods School NR Private PK, K-8 226 1.72
Walt Whitman Elementary School 9 Public K-5 387 1.88
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
South Woods Middle School 8 Public 6-8 746 0.48
P.S. 256 NR Public PK, K-12 500 0.73
The Center For Developmental Disabilities NR Private 105 0.80
St Edward Confessor School NR Private PK-8 265 0.84
Fusion Academy Woodbury Ny NR Private 6-12 75 1.70
East Woods School NR Private PK, K-8 226 1.72
H B Thompson Middle School 9 Public 6-8 997 1.85
Harmony Heights School NR Private 8-12 0 2.16
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 3.18
Cold Spring Harbor High School 10 Public 7-12 739 3.24
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Syosset Senior High School 10 Public 9-12 2,266 0.66
P.S. 256 NR Public PK, K-12 500 0.73
The Center For Developmental Disabilities NR Private 105 0.80
Our Lady Of Mercy Academy NR Private 9-12 359 0.83
Fusion Academy Woodbury Ny NR Private 6-12 75 1.70
Harmony Heights School NR Private 8-12 0 2.16
Harmony Heights School NR Private 8-12 74 2.17
Oyster Bay High School 7 Public 9-12 415 3.18
Cold Spring Harbor High School 10 Public 7-12 739 3.24
Jericho Senior High School 10 Public 9-12 1,258 3.31

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

Frequently asked questions

What is the year built for 21 Lilac Drive, Syosset, NY 11791?

The development at 21 Lilac Drive, Syosset, NY 11791 was built in 2011.

What is the total square footage of 21 Lilac Drive, Syosset, NY 11791?

21 Lilac Drive, Syosset, NY 11791 has a total of 3,241 square feet.

When was 21 Lilac Drive, Syosset, NY 11791 last sold and what was the sale price?

21 Lilac Drive, Syosset, NY 11791 was last sold on 10/01/2009 for $592,500.

What is the assessed value of 21 Lilac Drive, Syosset, NY 11791?

21 Lilac Drive, Syosset, NY 11791 is currently assessed at $1,060.

What are the property taxes for 21 Lilac Drive, Syosset, NY 11791?

The property taxes for 21 Lilac Drive, Syosset, NY 11791 total $34,470.

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