| Primary address | 21 Serenite Lane, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Muttontown |
| Parcel ID | 16-A-988.A |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 6,205 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 2.814 |
| Buildings on lot | 1 |
| Year built | 1986 |
| Stories | 1 |
| Style | Ranch |
| Rooms | 13 |
| Bathrooms | 5 |
| Half bathrooms | 2 |
| Attic | Partial |
| Basement | 3/4 Bsmt |
| Exterior wall | Mas & frame |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Fireplace | 1 |
| Zoning district | Register (See more on map) |
| School district | East Norwich |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
21 Serenite Lane, Syosset, NY 11791 was built in 1986 and has a total of 6,205 square feet.
What is the assessed value of 21 Serenite Lane, Syosset, NY 11791 and the property tax paid?Assessed at $2,294, the tax amount paid for 21 Serenite Lane, Syosset, NY 11791 is $38,067.
When was 21 Serenite Lane, Syosset, NY 11791 last sold and what was the last sale price?21 Serenite Lane, Syosset, NY 11791 was last sold in 08/26/2010 for $2,600,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 21 Serenite Lane, Syosset, including title documents, transfer conditions, mortgages and liens.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 21 Serenite Lane, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $38,067 |
| Tax class | Register |
| Market value | $2,294,000 |
| Assessed value | $2,294 |
Here's the assessment & property tax history for 21 Serenite Lane, Syosset, 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 | $2,294,000 | $2,294 | 1659.435 | $38,067 | -21.91% |
| 2025 | $2,998,000 | $2,998 | 1626.006 | $48,748 | -7.01% |
| 2024 | $2,998,057 | $2,998 | 1748.58 | $52,422 | -3.51% |
| 2023 | $2,998,000 | $2,998 | 1812.244 | $54,331 | -7.78% |
| 2022 | $2,996,000 | $2,996 | 1966.355 | $58,912 | -4.48% |
The complete history of permits filed for 21 Serenite Lane, Syosset, 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.
Create a free account to unlock extended information for 21 Serenite Lane, Syosset, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 21 Serenite Lane, Syosset 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 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Vernon School | 6 | Public | 3-6 | 434 | 1.56 |
| The Green Vale School | NR | Private | PK-8 | 417 | 1.93 |
| The Green Vale School | NR | Private | PK-8 | 417 | 1.93 |
| Robbins Lane Elementary School | 9 | Public | K-5 | 500 | 2.43 |
| St Edward Confessor School | NR | Private | PK-8 | 265 | 2.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Lutheran Middle & High School | NR | Private | 6-12 | 439 | 0.89 |
| Harmony Heights School | NR | Private | 8-12 | 0 | 1.16 |
| Harmony Heights School | NR | Private | 8-12 | 74 | 1.17 |
| The Green Vale School | NR | Private | PK-8 | 417 | 1.93 |
| Jericho Middle School | 9 | Public | 6-8 | 810 | 2.23 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Lutheran Middle & High School | NR | Private | 6-12 | 439 | 0.89 |
| Harmony Heights School | NR | Private | 8-12 | 0 | 1.16 |
| Harmony Heights School | NR | Private | 8-12 | 74 | 1.17 |
| Jericho Senior High School | 10 | Public | 9-12 | 1,258 | 2.23 |
| St Dominic High School | NR | Private | PK-12 | 603 | 2.88 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Serenite Lane, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 26 Serenite Ln, Syosset | 5,304 | 12/09/2024 | $2,253,020 |
| 20 Serein CT, Syosset | 5,926 | 02/22/2022 | $2,100,000 |
| 6050 Northern Blvd, East Norwich | 16,110 | 01/18/2017 | $11,601,178 |
| 16 Serein CT, Syosset | 5,514 | 09/09/1999 | $995,000 |
| 25 Serenite Ln, Syosset | 5,015 | 02/02/2021 | $1,550,000 |
| 12 Serenite Ln, Syosset | 7,954 | 07/23/2020 | $2,250,000 |
| 5 Remsens Ln, East Norwich | 2,279 | 01/30/2026 | |
| 22 Serenite Ln, Syosset | 4,685 | 09/12/2022 | $2,200,000 |
| 1887 Muttontown Rd, Syosset | 12,618 | 07/14/2005 | $6,950,000 |
| 5890 Northern Blvd, East Norwich | 23,456 | 11/24/1999 | |
| 1 Remsens Ln, East Norwich | 5,460 | 01/30/2026 | |
| 18 Serein CT, Syosset | 6,008 | 09/20/2024 | $2,525,000 |
| 14 Serein CT, Syosset | 5,853 | 06/09/1999 | $900,000 |
| 17 Serenite Ln, Syosset | 9,398 | 07/29/1994 | |
| 6090 Northern Blvd, East Norwich | 2,258 | 04/09/2019 | $1,250,000 |
| 19 Serenite Ln, Syosset | 7,822 | 06/01/1994 | $1,875,000 |
| 6100 Route 25a, East Norwich | 2,069 | 04/27/2009 | |
| 23 Serenite Ln, Syosset | 8,531 | 12/18/2025 | |
| 24 Serenite Ln, Syosset | 5,796 | 02/28/2022 | $2,150,000 |
| 11 Serenite Ln, Syosset | 8,406 |