Nassau County  »  11791  »  Florence Ave  »  17 Florence Ave

17 Florence Avenue, Syosset, NY 11791 - Property report

Also known as: 17 Florence Ave

Property image for 17 Florence Avenue, Syosset, NY 11791
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Property type

Two Family Year - Round Residence (220.01)

Year built

1955

Acreage

0.244

Sale price

$890,000

General information

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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
17 Florence Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-29-16

Owner

Find out who owns 17 Florence Avenue, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
06/07/2021
Sale price
$890,000
Arm's length
Tax
Tax year
2026
Current property tax
$20,975
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
Two Family Year - Round Residence (220.01)
Building sq. ft.
2,020
Buildings on lot
1
Stories
1
Year built
1955
Rooms
8
Bathrooms
3
Exterior wall
Alum/Vinyl
Building style
Cape
Basement
Full
Attic
Full
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.244
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 17 Florence Avenue, Syosset, NY

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

Sales history for 17 Florence Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
06/07/2021 $890,000 XXXX XXX XXX XXXXXX; XXX XXX XXXX XXXXX XXXX X; XXXXX XXXX X

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
06/18/2021 - R
06/07/2021 - D		 Deed XXXXX XXXX X XXXX XXX XXX XXXXXX
06/18/2021 - R
06/07/2021 - D		 Mortgage
(Fixed rate)		 XXXX XXX XXX XXXXXX XXXX
01/07/2010 - R
12/17/2009 - D		 Deed XXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 17 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
$20,975
Base tax
$21,560
Current school tax
Recent tax assessments
Market value
$663,000
Assessed value
$663
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 $663,000 $663 3251.91 $21,560 +1.42%
2025 $677,000 $677 3139.97 $21,258 -5.05%
2024 $684,000 $666 3361.673 $22,389 -11.49%
2023 $724,000 $724 3493.926 $25,296 -3.19%
2022 $684,000 $684 3820.056 $26,129 -13.74%
2021 $705,000 $705 4296.58 $30,291 +122.98%
2020 $288,800 $722 1881.494 $13,584 -0.49%
2019 $309,200 $773 1766.064 $13,652 +4.09%
2018 $314,400 $786 1668.546 $13,115 +5.56%
2017 $314,400 $786 1580.606 $12,424 +5.83%
Permits

Permit information for 17 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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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.54
St Edward Confessor School NR Private PK-8 265 0.54
Willits Elementary School 9 Public K-5 305 0.72
Village Elementary School 9 Public K-5 415 0.74
South Grove Elementary School 9 Public K-5 416 0.83
P.S. 256 NR Public PK, K-12 500 1.11
P.S. 256 NR Public PK, K-12 500 1.11
Robbins Lane Elementary School 9 Public K-5 500 1.27
Baylis Elementary School 9 Public K-5 405 1.37
Berry Hill Elementary School 8 Public K-5 450 1.61
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.54
H B Thompson Middle School 9 Public 6-8 997 0.78
P.S. 256 NR Public PK, K-12 500 1.11
Fusion Academy Woodbury Ny NR Private 6-12 75 1.14
South Woods Middle School 8 Public 6-8 746 1.64
The Center For Developmental Disabilities NR Private 105 1.88
Jericho Middle School 9 Public 6-8 810 2.24
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.41
Long Island Lutheran Middle & High School NR Private 6-12 439 2.49
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 1.11
Fusion Academy Woodbury Ny NR Private 6-12 75 1.14
Our Lady Of Mercy Academy NR Private 9-12 359 1.32
Syosset Senior High School 10 Public 9-12 2,266 1.65
The Center For Developmental Disabilities NR Private 105 1.88
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 2.56
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 3.08

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

Neighbors for 17 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 21 Florence Ave, Syosset 324-330 Jackson Ave, Syosset 11 Dorcas Ave, Syosset 15 Florence Ave, Syosset 18 Humphrey Dr, Syosset 12 Humprey Dr, Syosset 19 Florence Ave, Syosset 333 Jericho Tpke, Syosset 21 Dorcas Ave, Syosset

Nearby ZIP codes for 17 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 17 Florence Avenue, Syosset, NY 11791?

The development at 17 Florence Avenue, Syosset, NY 11791 was built in 1955.

What is the total square footage of 17 Florence Avenue, Syosset, NY 11791?

17 Florence Avenue, Syosset, NY 11791 has a total of 2,020 square feet.

When was 17 Florence Avenue, Syosset, NY 11791 last sold and what was the sale price?

17 Florence Avenue, Syosset, NY 11791 was last sold on 06/07/2021 for $890,000.

What is the assessed value of 17 Florence Avenue, Syosset, NY 11791?

17 Florence Avenue, Syosset, NY 11791 is currently assessed at $663.

What are the property taxes for 17 Florence Avenue, Syosset, NY 11791?

The property taxes for 17 Florence Avenue, Syosset, NY 11791 total $21,560.

How many residential units does this building have?

This building has 2 residential unit(s).

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