| Primary address | 4 Sullivan Court, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 1142038 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/11/2023 |
| Sale price | $635,000 |
| Arm's length | Register |
| Current property tax | $11,470 |
| Building sqft | 2,544 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.58 |
| Year built | 1979 |
| Rooms | 9 |
| Bedrooms | 5 |
| Bathrooms | 1 |
| 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:
4 Sullivan Court, Mount Sinai, NY 11766 was built in 1979 and has a total of 2,544 square feet.
What is the assessed value of 4 Sullivan Court, Mount Sinai, NY 11766 and the property tax paid?Assessed at $3,350, the tax amount paid for 4 Sullivan Court, Mount Sinai, NY 11766 is $13,775.
When was 4 Sullivan Court, Mount Sinai, NY 11766 last sold and what was the last sale price?4 Sullivan Court, Mount Sinai, NY 11766 was last sold in 08/11/2023 for $635,000.
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 4 Sullivan Court, Mount Sinai, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 08/11/2023 | $635,000 | Register | Register |
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 4 Sullivan Court, 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 | $13,776 |
| Current property tax | $11,470 |
| Market value | $632,076 |
| Assessed value | $3,350 |
Here's the assessment & property tax history for 4 Sullivan Court, 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 | $632,076 | $3,350 | 394.249 | $13,207 | +3.18% |
| 2023-2024 | $620,370 | $3,350 | 382.097 | $12,800 | +3.44% |
| 2022-2023 | $540,323 | $3,350 | 369.378 | $12,374 | +2.22% |
| 2021-2022 | $452,703 | $3,350 | 361.352 | $12,105 | +2.37% |
| 2020-2021 | $435,065 | $3,350 | 352.982 | $11,825 | +2.16% |
The complete history of permits filed for 4 Sullivan Court, 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 4 Sullivan Court, 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 4 Sullivan Court, 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 | 1.73 |
| West Middle Island School | 4 | Public | K-4 | 642 | 1.75 |
| Coram Elementary School | 3 | Public | PK, K-4 | 914 | 2.08 |
| Coram Elementary School | 3 | Public | PK, K-4 | 914 | 2.08 |
| North Shore Christian School | NR | Private | PK, K-6 | 101 | 2.20 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 2.27 |
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 2.42 |
| Selden Middle School | 4 | Public | 6-8 | 1,058 | 3.44 |
| North Country Road School | 5 | Public | 6-8 | 534 | 3.73 |
| Maryhaven Center Of Hope | NR | Private | 47 | 3.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 1.49 |
| Miller Place High School | 9 | Public | 9-12 | 820 | 2.07 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 2.55 |
| Sunshine Alternative Education Center | NR | Private | 10-12 | 10 | 2.56 |
| Ward Melville Senior High School | 10 | Public | 9-12 | 1,507 | 3.61 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 4 Sullivan Court, Mount Sinai.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 33 Griffin Dr, Mount Sinai | 2,112 | 12/22/2023 | |
| 5 North CT, Mount Sinai | 2,212 | 06/04/2021 | |
| 43 Griffin Dr, Mount Sinai | 2,114 | 11/08/2002 | |
| 31 Griffin Dr, Mount Sinai | 1,313 | 02/06/2006 | $399,990 |
| 34 Griffin Dr, Mount Sinai | 1,432 | 08/07/2007 | $390,000 |
| 2 North CT, Mount Sinai | 2,116 | 06/28/2010 | $425,000 |
| 3 Sullivan CT, Mount Sinai | 2,182 | 06/14/1993 | $150,000 |
| 39 Griffin Dr, Mount Sinai | 1,313 | 10/26/2018 | $380,000 |
| 6 Sullivan CT, Mount Sinai | 1,404 | ||
| 32 Griffin Dr, Mount Sinai | 2,116 | 10/06/2015 | $380,000 |
| 6 North CT, Mount Sinai | 2,686 | 06/29/2010 | $340,000 |
| 38 Griffin Dr, Mount Sinai | 2,114 | 02/03/2000 | $221,000 |
| 41 Griffin Dr, Mount Sinai | 1,344 | 07/19/2023 | $530,000 |
| 37 Griffin Dr, Mount Sinai | 2,330 | 09/05/2013 | $341,150 |
| 35 Griffin Dr, Mount Sinai | 2,387 | 08/13/2018 | $440,000 |
| 5 Sullivan CT, Mount Sinai | 1,786 | 01/28/2020 | $422,500 |
| 4 North CT, Mount Sinai | 2,190 | 05/27/2022 | $10 |
| 3 North CT, Mount Sinai | 2,074 | 04/13/2010 | $417,500 |
| 2 Sullivan CT, Mount Sinai | 2,384 | 08/18/2023 | $728,500 |
| 29 Griffin Dr, Mount Sinai | 2,122 | 08/26/2016 | $380,000 |