Nassau County  »  11791  »  1st St  »  21 1st St

21 1st Street, Syosset, NY 11791 - Property report

Also known as: 21 1st St

Property image for 21 1st Street, Syosset, NY 11791
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1951

Acreage

0.12

Sale price

$720,000

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
21 1st Street
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
25-59-54

Owner

Find out who owns 21 1st Street, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Sales
Sale date
06/27/2022
Sale price
$720,000
Arm's length
Tax
Tax year
2026
Current property tax
$16,983
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,256
Buildings on lot
1
Stories
1
Year built
1951
Rooms
7
Bathrooms
2
Exterior wall
Frame
Building style
Cape
Basement
Full
Attic
Full
Fireplaces
1
Heating type
Central
Heating system
Forced hot air
Lot
Acreage
0.12
Topography
Level
Land
Primary site

Area overview

Walk score
70 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
53 /100.  Bikeable
School district
3012

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

Ownership

Ownership information for 21 1st Street, Syosset, NY

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

Sales history for 21 1st Street, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
06/27/2022 $720,000 XXX XXXX; XX XXXXXXXXXX XXXXX XXXXXX X; XXXXX XXXXXXX X
11/09/2006 $554,000 XXXXXX XXXXX X; XXXXXXX XXXXX X XXX XXXXXXX; XXXXXXXX XXXXXXX
11/06/2002 $418,000 XXXXXXX XXX XXXXXXX XXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
09/09/2022 - R Other
(Mortgage satisfaction)		 XXXXX XXXXXX X XXXXXXXX XXXX XXXXXXXX XXXXX XX XXX
09/09/2022 - R Other
(Power of attorney)		 XXXXXXXX XXXX XXXXXXXX XXXXX XX XXXXXXXXXXX XXXX XXXXXXXXX XXX
07/19/2022 - R Other
(Mortgage satisfaction)		 XXXXX XXXXXX X XXXXXXXX XX
07/14/2022 - R
06/27/2022 - D		 Deed XXXXX XXXXXX X XXX XXXX
07/14/2022 - R
06/27/2022 - D		 Mortgage
(Adjustable rate (arm))		 XXX XXXX XXXX XXXX XXXX XXX
05/20/2019 - R Assignment
(Assign mortgage)		 XXXXX XXXXX XXXX XX XXXXXXXX XXXX XXXXXXXX XXXXX XX XXX
11/29/2006 - R
11/09/2006 - D		 Deed XXX XXXXXXX XXXXXX XXXXX X
11/12/2002 - R
11/06/2002 - D		 Deed XXXXXXX XXX XXXXXXX XXX
10/08/1993 - R
09/30/1993 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 1st Street, 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
$16,983
Current school tax
Recent tax assessments
Market value
$527,000
Assessed value
$527
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 $527,000 $527 3222.634 $16,983 -4.56%
2025 $573,000 $573 3105.677 $17,796 -6.52%
2024 $573,401 $573 3322.462 $19,038 -3.75%
2023 $573,000 $573 3452.063 $19,780 -8.57%
2022 $573,000 $573 3775.603 $21,634 -9.29%
2021 $563,000 $563 4236.241 $23,850 +23.57%
2020 $414,800 $1,037 1861.222 $19,301 +6.85%
2019 $414,800 $1,037 1741.886 $18,063 +5.67%
2018 $414,800 $1,037 1648.443 $17,094 +4.48%
2017 $414,800 $1,037 1577.758 $16,361 +5.86%
Permits

Permit information for 21 1st Street, 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 21 1st Street, 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 0.62
St Edward Confessor School NR Private PK-8 265 0.62
Village Elementary School 9 Public K-5 415 0.66
Berry Hill Elementary School 8 Public K-5 450 0.79
P.S. 256 NR Public PK, K-12 500 1.07
P.S. 256 NR Public PK, K-12 500 1.07
The Center For Developmental Disabilities NR Private 105 1.41
Willits Elementary School 9 Public K-5 305 1.77
South Grove Elementary School 9 Public K-5 416 1.91
East Woods School NR Private PK, K-8 226 1.93
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Edward Confessor School NR Private PK-8 265 0.62
P.S. 256 NR Public PK, K-12 500 1.07
South Woods Middle School 8 Public 6-8 746 1.09
The Center For Developmental Disabilities NR Private 105 1.41
Harmony Heights School NR Private 8-12 0 1.74
Harmony Heights School NR Private 8-12 74 1.75
H B Thompson Middle School 9 Public 6-8 997 1.78
Fusion Academy Woodbury Ny NR Private 6-12 75 1.84
Jericho Middle School 9 Public 6-8 810 2.74
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 3.15
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
P.S. 256 NR Public PK, K-12 500 1.07
Syosset Senior High School 10 Public 9-12 2,266 1.24
Our Lady Of Mercy Academy NR Private 9-12 359 1.25
The Center For Developmental Disabilities NR Private 105 1.41
Harmony Heights School NR Private 8-12 0 1.74
Harmony Heights School NR Private 8-12 74 1.75
Fusion Academy Woodbury Ny NR Private 6-12 75 1.84
Jericho Senior High School 10 Public 9-12 1,258 2.74
Oyster Bay High School 7 Public 9-12 415 3.15
Cold Spring Harbor High School 10 Public 7-12 739 3.79

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

Neighbors for 21 1st Street, Syosset, NY

27 1st St, Syosset 33 1st St, Syosset 80 Church St, Syosset 11 1st St, Syosset 84 Muttontown Rd, Syosset 86 Muttontown Rd, Syosset 70 Church St, Syosset 82 Muttontown Rd, Syosset 84 Church St, Syosset 74 Church St, Syosset 25 1st St, Syosset 82 Church St, Syosset 64 Church St, Syosset 7 1st St, Syosset 68 Church St, Syosset 19 1st St, Syosset 15 1st St, Syosset 9 1st St, Syosset 76 Muttontown Rd, Syosset 78 Muttontown Rd, Syosset

Nearby ZIP codes for 21 1st Street, 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 21 1st Street, Syosset, NY 11791?

The development at 21 1st Street, Syosset, NY 11791 was built in 1951.

What is the total square footage of 21 1st Street, Syosset, NY 11791?

21 1st Street, Syosset, NY 11791 has a total of 1,256 square feet.

When was 21 1st Street, Syosset, NY 11791 last sold and what was the sale price?

21 1st Street, Syosset, NY 11791 was last sold on 06/27/2022 for $720,000.

What is the assessed value of 21 1st Street, Syosset, NY 11791?

21 1st Street, Syosset, NY 11791 is currently assessed at $527.

What are the property taxes for 21 1st Street, Syosset, NY 11791?

The property taxes for 21 1st Street, Syosset, NY 11791 total $16,983.

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