| Primary address | 87 Osborne Avenue, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 1143083 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $10,294 |
| Building sqft | 1,940 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.37 |
| Year built | 1971 |
| Rooms | 7 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| School district | Mount Sinai |
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:
87 Osborne Avenue, Mount Sinai, NY 11766 was built in 1971 and has a total of 1,940 square feet.
What is the assessed value of 87 Osborne Avenue, Mount Sinai, NY 11766 and the property tax paid?Assessed at $2,885, the tax amount paid for 87 Osborne Avenue, Mount Sinai, NY 11766 is $11,863.
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 87 Osborne Avenue, Mount Sinai, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 87 Osborne Avenue, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $11,864 |
| Current property tax | $10,294 |
| Market value | $544,340 |
| Assessed value | $2,885 |
Here's the assessment & property tax history for 87 Osborne Avenue, Mount Sinai, 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 |
|---|---|---|---|---|---|
| 2024-2025 | $544,340 | $2,885 | 394.249 | $11,374 | +3.18% |
| 2023-2024 | $534,260 | $2,885 | 382.097 | $11,023 | +3.44% |
| 2022-2023 | $465,322 | $2,885 | 369.378 | $10,657 | +2.22% |
| 2021-2022 | $389,865 | $2,885 | 361.352 | $10,425 | +2.37% |
| 2020-2021 | $374,675 | $2,885 | 352.982 | $10,184 | +2.16% |
The complete history of permits filed for 87 Osborne Avenue, Mount Sinai, 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 87 Osborne Avenue, Mount Sinai, 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 87 Osborne Avenue, Mount Sinai 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) |
|---|---|---|---|---|---|
| West Middle Island School | 4 | Public | K-4 | 642 | 1.65 |
| Clinton Avenue School | NR | Public | K-2 | 441 | 1.72 |
| Coram Elementary School | 3 | Public | PK, K-4 | 914 | 1.86 |
| Coram Elementary School | 3 | Public | PK, K-4 | 914 | 1.86 |
| Stagecoach School | 4 | Public | K-5 | 353 | 2.17 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 2.35 |
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 2.65 |
| Selden Middle School | 4 | Public | 6-8 | 1,058 | 3.28 |
| Maryhaven Center Of Hope | NR | Private | 47 | 3.94 | |
| North Country Road School | 5 | Public | 6-8 | 534 | 3.97 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 1.52 |
| Miller Place High School | 9 | Public | 9-12 | 820 | 2.30 |
| Sunshine Alternative Education Center | NR | Private | 10-12 | 10 | 2.48 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 2.77 |
| Newfield High School | 8 | Public | 9-12 | 1,559 | 3.45 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 87 Osborne Avenue, Mount Sinai.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 63 Osborne Ave, Mount Sinai | 2,212 | 12/13/2018 | $365,000 |
| 94 Osborne Ave, Mount Sinai | 1,988 | ||
| 88 Osborne Ave, Mount Sinai | |||
| 77 Osborne Ave, Mount Sinai | 1,952 | 09/01/1999 | $200,000 |
| 73 Osborne Ave, Mount Sinai | 1,952 | 04/06/2022 | $565,000 |
| 71 Osborne Ave, Mount Sinai | 2,162 | ||
| 65 Osborne Ave, Mount Sinai | 2,382 | 09/20/1999 | |
| 89 Osborne Ave, Mount Sinai | 2,435 | 07/01/2016 | $390,000 |
| 80 Osborne Ave, Mount Sinai | 11/03/2022 | $665,600 | |
| 75 Osborne Ave, Mount Sinai | 2,476 | 11/18/2015 | $384,500 |
| 1 Flora Dr, Mount Sinai | 1,973 | 07/31/2020 | $480,000 |
| 93 Osborne Ave, Mount Sinai | 1,904 | 10/16/1995 | $130,000 |
| 82 Osborne Ave, Mount Sinai | 08/02/2001 | $243,000 | |
| 79 Osborne Ave, Mount Sinai | 2,429 | ||
| 91 Osborne Ave, Mount Sinai | 1,928 | 06/29/2016 | $370,000 |
| 1 Mead Ave, Mount Sinai | 1,974 | 08/02/2019 | $390,000 |
| 84 Osborne Ave, Mount Sinai | 07/08/2016 | $395,000 | |
| 81 Osborne Ave, Mount Sinai | 2,351 | 07/24/2006 | $475,000 |
| 2 Flora Dr, Mount Sinai | 1,881 | 03/08/2022 | |
| 86 Osborne Ave, Mount Sinai | 12/18/2020 | $340,000 |