Nassau County  »  11791  »  Florence Ave  »  18 Florence Ave

18 Florence Avenue, Syosset, NY 11791 - Property report

Also known as: 18 Florence Ave

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

Property type

One Family Year - Round Residence (210.01)

Year built

1952

Acreage

0.201

Sale price

$488,000

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 Florence Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-30-353

Owner

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

Sales
Sale date
02/10/2009
Sale price
$488,000
Arm's length
Tax
Tax year
2026
Current property tax
$15,288
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,220
Buildings on lot
1
Stories
1
Year built
1952
Rooms
5
Bathrooms
1
Exterior wall
Frame
Building style
Ranch
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.201
Topography
Level
Land
Primary site

Area overview

Walk score
75 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
49 /100.  Somewhat Bikeable
School district
3014

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

Ownership

Ownership information for 18 Florence Avenue, Syosset, NY

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

Sales history for 18 Florence Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
02/10/2009 $488,000 XXXXXX XXXXXXX X; XXXXX XXXX-XXXXXXX X XXXXXXX XXXX; XXXX XXXXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
12/01/2020 - R Other
(Mortgage satisfaction)		 XXXX-XXXXXXX XXXXX XXX XXXXXXXXXXXX XXX
11/16/2020 - R
10/27/2020 - D		 Mortgage
(Fixed rate)		 XXXX-XXXXXXX XXXXX X XXXX
02/20/2009 - R
02/10/2009 - D		 Deed XXXXXXX XXXX XXXXXX XXXXXXX X
03/11/2008 - R
02/08/2008 - D		 Deed XXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18 Florence 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
$15,288
Base tax
$16,390
Current school tax
Recent tax assessments
Market value
$504,000
Assessed value
$504
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 $504,000 $504 3251.91 $16,390 +5.02%
2025 $497,000 $497 3139.97 $15,606 -8.44%
2024 $556,000 $507 3361.673 $17,044 -10.49%
2023 $545,000 $545 3493.926 $19,042 -10.35%
2022 $556,000 $556 3820.056 $21,240 -11.09%
2021 $556,000 $556 4296.58 $23,889 +64.25%
2020 $309,200 $773 1881.494 $14,544 +6.54%
2019 $309,200 $773 1766.064 $13,652 +3.44%
2018 $316,400 $791 1668.546 $13,198 +5.56%
2017 $316,400 $791 1580.606 $12,503 +5.83%
Permits

Permit information for 18 Florence 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 Florence 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)
St Edward Confessor School NR Private PK-8 265 0.53
St Edward Confessor School NR Private PK-8 265 0.53
Willits Elementary School 9 Public K-5 305 0.70
Village Elementary School 9 Public K-5 415 0.72
South Grove Elementary School 9 Public K-5 416 0.84
P.S. 256 NR Public PK, K-12 500 1.08
P.S. 256 NR Public PK, K-12 500 1.08
Robbins Lane Elementary School 9 Public K-5 500 1.30
Baylis Elementary School 9 Public K-5 405 1.36
Berry Hill Elementary School 8 Public K-5 450 1.59
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.53
H B Thompson Middle School 9 Public 6-8 997 0.76
P.S. 256 NR Public PK, K-12 500 1.08
Fusion Academy Woodbury Ny NR Private 6-12 75 1.11
South Woods Middle School 8 Public 6-8 746 1.62
The Center For Developmental Disabilities NR Private 105 1.86
Jericho Middle School 9 Public 6-8 810 2.28
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.39
Long Island Lutheran Middle & High School NR Private 6-12 439 2.52
Our Lady Of Mercy School NR Private PK-8 195 2.52
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
P.S. 256 NR Public PK, K-12 500 1.08
Fusion Academy Woodbury Ny NR Private 6-12 75 1.11
Our Lady Of Mercy Academy NR Private 9-12 359 1.29
Syosset Senior High School 10 Public 9-12 2,266 1.62
The Center For Developmental Disabilities NR Private 105 1.86
Jericho Senior High School 10 Public 9-12 1,258 2.28
Long Island Lutheran Middle & High School NR Private 6-12 439 2.52
Good Shepherd Lutheran School NR Private 0 2.55
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 3.06

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

Neighbors for 18 Florence Avenue, Syosset, NY

314 Jackson Ave, Syosset 391 Jericho Tpke, Syosset 16 Florence Ave, Syosset 6 Florence Ave, Syosset 355 Jericho Tpke, Syosset 22 Park Dr E, Syosset 24 Florence Ave, Syosset 9 Edwards Ave, Syosset 5 Edward Ave, Syosset 20 Florence Ave, Syosset 318 Jackson Ave, Syosset 365 Jericho Tpke, Syosset 20 Park Dr, Syosset 24 E Park Dr, Syosset 332 Jackson Ave, Syosset 334 Jackson Ave, Syosset 375 Jericho Tpke, Syosset 26 Park Dr E, Syosset 10 Florence Ave, Syosset 316 Jackson Ave, Syosset

Nearby ZIP codes for 18 Florence 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 Florence Avenue, Syosset, NY 11791?

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

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

18 Florence Avenue, Syosset, NY 11791 has a total of 1,220 square feet.

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

18 Florence Avenue, Syosset, NY 11791 was last sold on 02/10/2009 for $488,000.

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

18 Florence Avenue, Syosset, NY 11791 is currently assessed at $504.

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

The property taxes for 18 Florence Avenue, Syosset, NY 11791 total $16,389.

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