Nassau County  »  11791  »  Florence Ave  »  15 Florence Ave

15 Florence Avenue, Syosset, NY 11791 - Property report

Also known as: 15 Florence Ave

Property image for 15 Florence Avenue, Syosset, NY 11791
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Property type

One Family Year - Round Residence (210.01)

Year built

1955

Acreage

0.215

General information

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Address
Primary address
15 Florence Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-29-13

Owner

Find out who owns 15 Florence Avenue, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026
Current property tax
$18,016
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,651
Buildings on lot
1
Stories
1
Year built
1955
Rooms
6
Bathrooms
2
Exterior wall
Alum/Vinyl
Building style
Ranch
Basement
Full
Attic
None
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.215
Topography
Level
Land
Primary site

Area overview

Walk score
76 /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 15 Florence Avenue, Syosset, NY

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

Sales history for 15 Florence Avenue, Syosset, NY 11791

No recently recorded sales for this property.

More about Nassau County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 15 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
Property tax
$18,016
Current school tax
Recent tax assessments
Market value
$554,000
Assessed value
$554
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 $554,000 $554 3251.91 $18,016 +0.31%
2025 $572,000 $572 3139.97 $17,961 -10.66%
2024 $598,000 $598 3361.673 $20,103 -3.79%
2023 $598,000 $598 3493.926 $20,894 -8.54%
2022 $598,000 $598 3820.056 $22,844 -14.52%
2021 $622,000 $622 4296.58 $26,725 +85.67%
2020 $306,000 $765 1881.494 $14,393 -0.61%
2019 $328,000 $820 1766.064 $14,482 +1.16%
2018 $343,200 $858 1668.546 $14,316 +5.56%
2017 $343,200 $858 1580.606 $13,562 +5.83%
Permits

Permit information for 15 Florence 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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Access the detailed traffic volume map for 15 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 0.56
St Edward Confessor School NR Private PK-8 265 0.56
Willits Elementary School 9 Public K-5 305 0.71
Village Elementary School 9 Public K-5 415 0.76
South Grove Elementary School 9 Public K-5 416 0.81
P.S. 256 NR Public PK, K-12 500 1.12
P.S. 256 NR Public PK, K-12 500 1.12
Robbins Lane Elementary School 9 Public K-5 500 1.26
Baylis Elementary School 9 Public K-5 405 1.35
Berry Hill Elementary School 8 Public K-5 450 1.62
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.56
H B Thompson Middle School 9 Public 6-8 997 0.77
P.S. 256 NR Public PK, K-12 500 1.12
Fusion Academy Woodbury Ny NR Private 6-12 75 1.14
South Woods Middle School 8 Public 6-8 746 1.65
The Center For Developmental Disabilities NR Private 105 1.89
Jericho Middle School 9 Public 6-8 810 2.24
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.39
Long Island Lutheran Middle & High School NR Private 6-12 439 2.49
Our Lady Of Mercy School NR Private PK-8 195 2.50
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
P.S. 256 NR Public PK, K-12 500 1.12
Fusion Academy Woodbury Ny NR Private 6-12 75 1.14
Our Lady Of Mercy Academy NR Private 9-12 359 1.33
Syosset Senior High School 10 Public 9-12 2,266 1.66
The Center For Developmental Disabilities NR Private 105 1.89
Jericho Senior High School 10 Public 9-12 1,258 2.24
Long Island Lutheran Middle & High School NR Private 6-12 439 2.49
Good Shepherd Lutheran School NR Private 0 2.55
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 3.07

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

Neighbors for 15 Florence Avenue, Syosset, NY

16 Humphrey Dr, Syosset 10 Humphrey Dr, Syosset 5 Dorcas Ave, Syosset 3 Dorcas Ave, Syosset 17 Dorcas Ave, Syosset 20 Humphrey Dr, Syosset 15 Dorcas Ave, Syosset 343-347 Jericho Tpke, Syosset 1 Dorcas Ave, Syosset 26 Humphrey Dr, Syosset 19 Dorcas Ave, Syosset 17 Florence Ave, Syosset 21 Florence Ave, Syosset 11 Dorcas Ave, Syosset 18 Humphrey Dr, Syosset 7 Dorcas Ave, Syosset 12 Humprey Dr, Syosset 19 Florence Ave, Syosset 333 Jericho Tpke, Syosset 21 Dorcas Ave, Syosset

Nearby ZIP codes for 15 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 15 Florence Avenue, Syosset, NY 11791?

The development at 15 Florence Avenue, Syosset, NY 11791 was built in 1955.

What is the total square footage of 15 Florence Avenue, Syosset, NY 11791?

15 Florence Avenue, Syosset, NY 11791 has a total of 1,651 square feet.

What is the assessed value of 15 Florence Avenue, Syosset, NY 11791?

15 Florence Avenue, Syosset, NY 11791 is currently assessed at $554.

What are the property taxes for 15 Florence Avenue, Syosset, NY 11791?

The property taxes for 15 Florence Avenue, Syosset, NY 11791 total $18,015.

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