| Primary address | 45 Osborne Avenue, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 1143021 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $13,282 |
| Building sqft | 2,332 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.34 |
| Year built | 1970 |
| Rooms | 8 |
| Bedrooms | 4 |
| 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:
45 Osborne Avenue, Mount Sinai, NY 11766 was built in 1970 and has a total of 2,332 square feet.
What is the assessed value of 45 Osborne Avenue, Mount Sinai, NY 11766 and the property tax paid?Assessed at $3,230, the tax amount paid for 45 Osborne Avenue, Mount Sinai, NY 11766 is $13,282.
When was 45 Osborne Avenue, Mount Sinai, NY 11766 last sold?45 Osborne Avenue, Mount Sinai, NY 11766 was last sold in 03/24/2003.
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 45 Osborne Avenue, Mount Sinai, 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 45 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 |
| Property tax | $13,282 |
| Market value | $609,434 |
| Assessed value | $3,230 |
Here's the assessment & property tax history for 45 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 | $609,434 | $3,230 | 394.249 | $12,734 | +3.18% |
| 2023-2024 | $598,149 | $3,230 | 382.097 | $12,342 | +3.44% |
| 2022-2023 | $520,968 | $3,230 | 369.378 | $11,931 | +2.22% |
| 2021-2022 | $436,487 | $3,230 | 361.352 | $11,672 | +2.37% |
| 2020-2021 | $419,481 | $3,230 | 352.982 | $11,401 | +2.16% |
The complete history of permits filed for 45 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 45 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 45 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) |
|---|---|---|---|---|---|
| Clinton Avenue School | NR | Public | K-2 | 441 | 1.69 |
| West Middle Island School | 4 | Public | K-4 | 642 | 1.89 |
| North Shore Christian School | NR | Private | PK, K-6 | 101 | 2.11 |
| North Shore Christian School | NR | Private | PK, K-6 | 101 | 2.11 |
| Terryville Road School | 2 | Public | 3-5 | 454 | 2.16 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 2.17 |
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 2.24 |
| Selden Middle School | 4 | Public | 6-8 | 1,058 | 3.49 |
| North Country Road School | 5 | Public | 6-8 | 534 | 3.58 |
| Maryhaven Center Of Hope | NR | Private | 47 | 3.61 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 1.41 |
| Miller Place High School | 9 | Public | 9-12 | 820 | 1.95 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 2.38 |
| Sunshine Alternative Education Center | NR | Private | 10-12 | 10 | 2.55 |
| Ward Melville Senior High School | 10 | Public | 9-12 | 1,507 | 3.53 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 45 Osborne Avenue, Mount Sinai.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 35 Osborne Ave, Mount Sinai | 2,384 | 09/17/2009 | |
| 31 Osborne Ave, Mount Sinai | 2,400 | 03/15/2018 | $455,000 |
| 29 Osborne Ave, Mount Sinai | 2,334 | 10/02/1998 | $143,000 |
| 2 Barry Ln, Mount Sinai | 2,051 | ||
| 38 Osborne Ave, Mount Sinai | 2,099 | 03/24/2005 | $392,000 |
| 34 Osborne Ave, Mount Sinai | 2,051 | 08/25/2021 | $550,000 |
| 39 Osborne Ave, Mount Sinai | 2,372 | 04/24/2015 | |
| 47 Osborne Ave, Mount Sinai | 2,012 | 10/09/2014 | $75,245 |
| 36 Osborne Ave, Mount Sinai | 2,402 | 03/07/2008 | |
| 32 Osborne Ave, Mount Sinai | 1,992 | 10/17/2007 | |
| 30 Osborne Ave, Mount Sinai | 2,398 | 07/23/2020 | |
| 43 Osborne Ave, Mount Sinai | 1,973 | 01/30/2003 | |
| 41 Osborne Ave, Mount Sinai | 1,973 | 09/30/1999 | $230,000 |
| 27 Osborne Ave, Mount Sinai | 2,283 | 07/30/1998 | |
| 46 Osborne Ave, Mount Sinai | 1,934 | 03/26/1997 | $171,000 |
| 33 Osborne Ave, Mount Sinai | 3,072 | 06/30/2009 | $589,000 |
| 28 Osborne Ave, Mount Sinai | 2,074 | ||
| 40 Osborne Ave, Mount Sinai | 2,211 | 03/03/2015 | $397,500 |
| 37 Osborne Ave, Mount Sinai | 2,479 | 02/03/2024 | $10 |
| 1 Celia St, Mount Sinai | 2,410 |