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21 The Serpentine, Roslyn, NY 11576 Property Information

21 The Serpentine, Roslyn, NY 11576 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21 The Serpentine, Roslyn, NY 11576
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Address

Primary address 21 The Serpentine, Roslyn
Zip code 11576
County Nassau
Town/City North Hempstead
Village (swiss code) Roslyn Estates
Parcel ID 7-23-318

Sales & Tax Overview for 21 The Serpentine, Roslyn

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 11/24/2020
Sale price $2,354,700
Arm's length
Tax class
Current property tax $31,927

Lot & Building Information for 21 The Serpentine, Roslyn

Building sqft 3,836
Building class One Family Year - Round Residence (210.01)
Land Primary site
Topography Level
Acreage 0.411
Buildings on lot 1
Year built 1981
Stories 1.5
Style Colonial
Rooms 8
Bathrooms 4
Half bathrooms 1
Attic None
Basement Full
Exterior wall Frame
Heating type Central/AC
Heating system Central w ac
Fireplace 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Roslyn UFSD

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Other Property Data for 21 The Serpentine, Roslyn

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About 21 The Serpentine, Roslyn

What is the year built & the total sq. ft. for 21 The Serpentine, Roslyn, NY 11576?

21 The Serpentine, Roslyn, NY 11576 was built in 1981 and has a total of 3,836 square feet.

What is the assessed value of 21 The Serpentine, Roslyn, NY 11576 and the property tax paid?

Assessed at $1,531, the tax amount paid for 21 The Serpentine, Roslyn, NY 11576 is $34,865.

When was 21 The Serpentine, Roslyn, NY 11576 last sold and what was the last sale price?

21 The Serpentine, Roslyn, NY 11576 was last sold in 11/24/2020 for $2,354,700.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips 
When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
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Past Sales & Property History for 21 The Serpentine, Roslyn

Create a free account to view the complete sales history for 21 The Serpentine, Roslyn, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
11/24/2020 $2,354,700
12/10/2019 $825,000
12/30/2013 $35,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 21 The Serpentine, Roslyn

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2
03/08/2024 - R Other
(Mortgage satisfaction)
12/07/2020 - R
11/24/2020 - D
Deed
12/07/2020 - R
11/24/2020 - D
Mortgage
(Adjustable rate (arm))
01/08/2020 - R
12/10/2019 - D
Deed
(Referee`s deed)
01/24/2014 - R
12/30/2013 - D
Deed
10/11/2006 - R
09/18/2006 - D
Deed
03/17/2005 - R
03/09/2005 - D
Deed
01/20/1995 - R
01/09/1995 - D
Deed
01/20/1995 - R
01/02/1995 - D
Deed
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R: Recorded date
D: Document date

Property Taxes for 21 The Serpentine, Roslyn

Access detailed property tax data for 21 The Serpentine, Roslyn, NY 11576. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Base tax $34,866
Current property tax $31,928
Tax class
Market value $1,531,000
Assessed value $1,531
School current tax bill
Property tax exemptions
Transitional assessed value

Assessment History for 21 The Serpentine, Roslyn

Here's the assessment & property tax history for 21 The Serpentine, Roslyn, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2026 $1,531,000 $1,531 2277.308 $34,866 -4.93%
2025 $1,659,000 $1,659 2210.669 $36,675 -14.41%
2024 $1,914,131 $1,795 2387.154 $42,849 -1.73%
2023 $1,741,000 $1,741 2504.613 $43,605 -8.50%
2022 $1,741,000 $1,741 2737.276 $47,656 -10.27%

Permits for 21 The Serpentine, Roslyn

The complete history of permits filed for 21 The Serpentine, Roslyn, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 21 The Serpentine, Roslyn to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Munsey Park Elementary School 7 Public K-6 863 0.83
Our Lady Of Grace Montessori School NR Private PK-3 94 1.06
Our Lady Of Grace Montessori School NR Private PK-3 94 1.06
Roslyn Heights Elementary School NR Public PK, K-1 345 1.12
Roslyn Heights Elementary School NR Public PK, K-1 345 1.12

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Vincent Smith School NR Private 2-12 46 1.51
St Mary's Elementary School NR Private PK-8 234 1.70
Herricks Middle School 9 Public 6-8 1,079 1.76
Roslyn Middle School 8 Public 6-8 766 1.81
Manhasset Middle School 8 Public 7-8 521 1.81

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roslyn High School 9 Public 9-12 1,035 1.35
Vincent Smith School NR Private 2-12 46 1.51
St Mary's College Prepartory High School NR Private 9-12 679 1.77
Searingtown School 9 Public K-5, 11 585 1.80
Manhasset Secondary School 10 Public 9-12 962 1.81

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 21 The Serpentine, Roslyn

Here are the neighbors for 21 The Serpentine, Roslyn.

Address Square feet Purchase date Purchase price
5 Warner Ave, Roslyn Heights 1,696 08/31/2011 $475,000
17 The Intervale, Roslyn 3,619 03/31/2026 $2,150,000
11 The Oaks, Roslyn 3,142 02/17/2017 $1,075,000
7 The Birches, Roslyn 5,854 09/15/2008 $1,300,000
1 The Birches, Roslyn 3,081 06/20/2016 $1,125,000
13 The Intervale, Roslyn 4,129
1 Warner Ave, Roslyn Heights 2,658 04/27/2022 $935,000
1 The Intervale, Roslyn 1,660
19 The Serpentine, Roslyn 4,363 07/20/2021 $2,950,000
15 The Oaks, Roslyn 2,481 12/10/2025 $1,757,500
21 The Intervale, Roslyn 3,330 12/04/2000 $1,025,000
3 Warner Ave, Roslyn Heights 1,637 07/31/2015
19 The Oaks, Roslyn 2,386 08/01/2022 $1,450,000
5 The Locusts, Roslyn 1,910 09/13/2013 $805,000
7 Warner Ave, Roslyn Heights 1,291 02/04/2011 $425,000
5 The Intervale, Roslyn 3,133 04/23/2026
5 The Oaks, Roslyn 2,236 11/18/2010 $715,000
9 The Intervale, Roslyn 3,396 10/18/1995 $370,000
3 The Birches, Roslyn 3,466 08/17/2015 $1,530,000
3 The Oaks, Roslyn 3,688 01/31/2023 $2,000,000

Nearby ZIP Codes for 21 The Serpentine, Roslyn

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