| Primary address | 21 Balsar Circle, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Muttontown |
| Parcel ID | 25-59-77 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 6,875 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 1.74 |
| Buildings on lot | 1 |
| Year built | 2000 |
| Stories | 1.7 |
| Style | Colonial |
| Rooms | 11 |
| Bathrooms | 5 |
| Half bathrooms | 1 |
| Attic | None |
| Basement | Full |
| Exterior wall | Brick |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Fireplace | 1 |
| Zoning district | Register (See more on map) |
| School district | Syosset |
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 Balsar Circle, Syosset, NY 11791 was built in 2000 and has a total of 6,875 square feet.
What is the assessed value of 21 Balsar Circle, Syosset, NY 11791 and the property tax paid?Assessed at $1,996, the tax amount paid for 21 Balsar Circle, Syosset, NY 11791 is $53,755.
When was 21 Balsar Circle, Syosset, NY 11791 last sold?21 Balsar Circle, Syosset, NY 11791 was last sold in 01/11/2021.
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 Balsar Circle, Syosset, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 Balsar Circle, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Base tax | $53,756 |
| Current property tax | $52,732 |
| Tax class | Register |
| Market value | $1,996,000 |
| Assessed value | $1,996 |
Here's the assessment & property tax history for 21 Balsar Circle, 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 | $1,996,000 | $1,996 | 2693.177 | $53,756 | +5.86% |
| 2025 | $1,944,000 | $1,944 | 2612.192 | $50,781 | -9.95% |
| 2024 | $2,280,000 | $2,020 | 2791.809 | $56,395 | -13.24% |
| 2023 | $2,250,000 | $2,250 | 2888.761 | $64,997 | -10.20% |
| 2022 | $2,280,000 | $2,280 | 3174.648 | $72,382 | -15.85% |
The complete history of permits filed for 21 Balsar Circle, 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 Balsar Circle, 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 Balsar Circle, 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) |
|---|---|---|---|---|---|
| Berry Hill Elementary School | 8 | Public | K-5 | 450 | 0.93 |
| St Edward Confessor School | NR | Private | PK-8 | 265 | 1.00 |
| St Edward Confessor School | NR | Private | PK-8 | 265 | 1.00 |
| Village Elementary School | 9 | Public | K-5 | 415 | 1.04 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Edward Confessor School | NR | Private | PK-8 | 265 | 1.00 |
| South Woods Middle School | 8 | Public | 6-8 | 746 | 1.31 |
| Harmony Heights School | NR | Private | 8-12 | 0 | 1.37 |
| Harmony Heights School | NR | Private | 8-12 | 74 | 1.38 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Harmony Heights School | NR | Private | 8-12 | 0 | 1.37 |
| Harmony Heights School | NR | Private | 8-12 | 74 | 1.38 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.42 |
| Syosset Senior High School | 10 | Public | 9-12 | 2,266 | 1.49 |
| Our Lady Of Mercy Academy | NR | Private | 9-12 | 359 | 1.59 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Balsar Circle, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 6 Farm CT, Syosset | 5,430 | 01/06/2003 | $995,000 |
| 27 Farm CT, Syosset | 3,958 | ||
| 16 Farm CT, Syosset | 3,704 | 08/28/2019 | $1,225,000 |
| 22 Balsar CT, Syosset | 5,177 | 03/26/2025 | |
| 17 Farm CT, Syosset | 2,828 | 09/09/2008 | |
| 182 Burtis Ln, Syosset | 3,138 | 01/26/2021 | $1,410,000 |
| 2 Balsar CT, Syosset | 4,208 | 04/29/2026 | $2,850,000 |
| 97 Sterling CT, Syosset | 3,543 | 05/06/1994 | |
| 101 Sterling CT, Syosset | 2,196 | 12/14/2017 | $1,385,000 |
| 113 Sterling CT, Syosset | 4,721 | 05/13/2003 | $1,500,000 |
| 192 Burtis Ln, Syosset | 7,053 | 07/15/2009 | $2,200,000 |
| 105 Sterling CT, Syosset | 3,436 | 05/05/2003 | $1,400,000 |
| 41 Blasar CT, Syosset | 4,489 | 03/04/2022 | $2,175,000 |
| 11 Balsar CT, Syosset | 4,395 | 10/01/1999 | $800,000 |
| 31 Balsar CT, Syosset | 4,537 | 06/24/2025 | |
| 26 Farm CT, Syosset | 3,579 | 04/28/2015 | $1,700,000 |
| 7 Farm CT, Syosset | 2,880 | ||
| 93 Sterling CT, Syosset | 4,319 | 03/23/2022 | $1,600,000 |
| 117 Sterling CT, Syosset | 3,482 | 03/24/2022 | $1,690,000 |
| 109 Sterling CT, Syosset | 3,043 | 08/26/2016 | $1,400,000 |