Nassau County  »  11791  »  Florence Ave  »  20 Florence Ave

20 Florence Avenue, Syosset, NY 11791 - Property report

Also known as: 20 Florence Ave

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

One Family Year - Round Residence (210.01)

Year built

2022

Acreage

0.215

Sale price

$1,455,000

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
20 Florence Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-30-22

Owner

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

Sales
Sale date
05/16/2022
Sale price
$1,455,000
Arm's length
Tax
Tax year
2026
Current property tax
$14,146
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
3,116
Buildings on lot
1
Stories
2
Year built
2022
Rooms
10
Bathrooms
4
Half bathrooms
1
Exterior wall
Alum/Vinyl
Building style
Colonial
Basement
Full
Attic
None
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
0.215
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 20 Florence Avenue, Syosset, NY

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

Sales history for 20 Florence Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
05/16/2022 $1,455,000 XXXX XXXXXXXX; XXXX XXXX X XXXXXXX XXXXX XXXXX XXXXX XXX
08/03/2021 $550,000 XXXXXXX XXXXX XXXXX XXXXX XXX XXXXXXXXX XXXXXXXX; XXXXXXXXX XXXX; XXXXXXXXX XXXX X
05/21/2021 $465,000 XXXXXXXXX XXXXXXXX; XXXXXXXXX XXXX; XXXXXXXXX XXXX X XXXXXXXXXX XXXXXXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
06/06/2022 - R Other
(Mortgage satisfaction)		 XXXXXXX XXXXX XXXXX XXXXX XXX XXXXXXXXX XXXX
06/06/2022 - R
05/16/2022 - D		 Deed XXXXXXX XXXXX XXXXX XXXXX XXX XXXX XXXXXXXX
06/06/2022 - R
05/16/2022 - D		 Mortgage
(Fixed rate)		 XXXX XXXXXXXX XXXX XXXXXXXX
08/16/2021 - R
08/03/2021 - D		 Deed XXXXXXXXX XXXXXXXX XXXXXXX XXXXX XXXXX XXXXX XXX
08/16/2021 - R
08/03/2021 - D		 Mortgage
(Fixed rate)		 XXXXXXX XXXXX XXXXX XXXXX XXX XXXXXXXXX XXXX
07/13/2021 - R
05/21/2021 - D		 Deed XXXXXXXXXX XXXXXXXXX XXXXXXXXX XXXXXXXX
06/23/1998 - R
06/09/1998 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 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
$14,146
Base tax
$35,478
Current school tax
Recent tax assessments
Market value
$1,091,000
Assessed value
$1,091
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 $1,091,000 $1,091 3251.91 $35,478 +7.81%
2025 $1,048,000 $1,048 3139.97 $32,907 +153.60%
2024 $386,292 $386 3361.673 $12,976 -38.20%
2023 $601,000 $601 3493.926 $20,998 -3.05%
2022 $567,000 $567 3820.056 $21,660 -16.81%
2021 $606,000 $606 4296.58 $26,037 +85.26%
2020 $298,800 $747 1881.494 $14,055 -0.52%
2019 $320,000 $800 1766.064 $14,129 -0.73%
2018 $341,200 $853 1668.546 $14,233 -10.13%
2017 $400,800 $1,002 1580.606 $15,838 +5.83%
Permits

Permit information for 20 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
View 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 0.52
St Edward Confessor School NR Private PK-8 265 0.52
Village Elementary School 9 Public K-5 415 0.71
Willits Elementary School 9 Public K-5 305 0.72
South Grove Elementary School 9 Public K-5 416 0.85
P.S. 256 NR Public PK, K-12 500 1.07
P.S. 256 NR Public PK, K-12 500 1.07
Robbins Lane Elementary School 9 Public K-5 500 1.31
Baylis Elementary School 9 Public K-5 405 1.37
Berry Hill Elementary School 8 Public K-5 450 1.58
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.52
H B Thompson Middle School 9 Public 6-8 997 0.77
P.S. 256 NR Public PK, K-12 500 1.07
Fusion Academy Woodbury Ny NR Private 6-12 75 1.11
South Woods Middle School 8 Public 6-8 746 1.61
The Center For Developmental Disabilities NR Private 105 1.84
Jericho Middle School 9 Public 6-8 810 2.28
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.41
Long Island Lutheran Middle & High School NR Private 6-12 439 2.52
Our Lady Of Mercy School NR Private PK-8 195 2.54
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
P.S. 256 NR Public PK, K-12 500 1.07
Fusion Academy Woodbury Ny NR Private 6-12 75 1.11
Our Lady Of Mercy Academy NR Private 9-12 359 1.28
Syosset Senior High School 10 Public 9-12 2,266 1.61
The Center For Developmental Disabilities NR Private 105 1.84
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 2.56
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 20 Florence Avenue, Syosset, NY

18 Florence Ave, Syosset 314 Jackson Ave, Syosset 6 Florence Ave, Syosset 16 Florence Ave, Syosset 10 Humphrey Dr, Syosset 355 Jericho Tpke, Syosset 24 Florence Ave, Syosset 9 Edwards Ave, Syosset 343-347 Jericho Tpke, Syosset 5 Edward Ave, Syosset 324-330 Jackson Ave, Syosset 21 Florence Ave, Syosset 318 Jackson Ave, Syosset 320 Jackson Ave, Syosset 334 Jackson Ave, Syosset 332 Jackson Ave, Syosset 10 Florence Ave, Syosset 316 Jackson Ave, Syosset 333 Jericho Tpke, Syosset 19 Florence Ave, Syosset

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

The development at 20 Florence Avenue, Syosset, NY 11791 was built in 2022.

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

20 Florence Avenue, Syosset, NY 11791 has a total of 3,116 square feet.

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

20 Florence Avenue, Syosset, NY 11791 was last sold on 05/16/2022 for $1,455,000.

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

20 Florence Avenue, Syosset, NY 11791 is currently assessed at $1,091.

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

The property taxes for 20 Florence Avenue, Syosset, NY 11791 total $35,478.

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