| Primary address | 21 Westcliff Drive, Mount Sinai |
| Zip code | 11766 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 1144070 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/15/2017 |
| Sale price | $20,000 |
| Arm's length | Register |
| Current property tax | $10,104 |
| Building sqft | 1,910 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.38 |
| Year built | 1970 |
| Rooms | 8 |
| Bedrooms | 5 |
| Bathrooms | 1 |
| Zoning district | Register |
| 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:
21 Westcliff Drive, Mount Sinai, NY 11766 was built in 1970 and has a total of 1,910 square feet.
What is the assessed value of 21 Westcliff Drive, Mount Sinai, NY 11766 and the property tax paid?Assessed at $2,675, the tax amount paid for 21 Westcliff Drive, Mount Sinai, NY 11766 is $11,000.
When was 21 Westcliff Drive, Mount Sinai, NY 11766 last sold and what was the last sale price?21 Westcliff Drive, Mount Sinai, NY 11766 was last sold in 11/15/2017 for $20,000.
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 Westcliff Drive, 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 21 Westcliff Drive, 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 | $11,000 |
| Current property tax | $10,104 |
| Market value | $504,717 |
| Assessed value | $2,675 |
Here's the assessment & property tax history for 21 Westcliff Drive, 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 | $504,717 | $2,675 | 394.249 | $10,546 | +3.18% |
| 2023-2024 | $495,371 | $2,675 | 382.097 | $10,221 | +3.44% |
| 2022-2023 | $431,452 | $2,675 | 369.378 | $9,881 | +2.22% |
| 2021-2022 | $361,487 | $2,675 | 361.352 | $9,666 | +2.37% |
| 2020-2021 | $347,403 | $2,675 | 352.982 | $9,442 | +2.16% |
The complete history of permits filed for 21 Westcliff Drive, 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 21 Westcliff Drive, 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 21 Westcliff Drive, 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) |
|---|---|---|---|---|---|
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 1.20 |
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 1.55 |
| Clinton Avenue School | NR | Public | K-2 | 441 | 1.58 |
| North Shore Christian School | NR | Private | PK, K-6 | 101 | 1.63 |
| North Shore Christian School | NR | Private | PK, K-6 | 101 | 1.63 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mount Sinai Middle School | 5 | Public | 5-8 | 667 | 1.20 |
| John F Kennedy Middle School | 4 | Public | 4, 6-8 | 822 | 1.55 |
| Maryhaven Center Of Hope | NR | Private | 47 | 2.56 | |
| North Country Road School | 5 | Public | 6-8 | 534 | 2.90 |
| Port Jefferson Middle School | 7 | Public | 6-8 | 222 | 2.92 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Comsewogue High School | 6 | Public | 9-12 | 1,153 | 1.23 |
| Mount Sinai High School | 9 | Public | 9-12 | 720 | 1.30 |
| Miller Place High School | 9 | Public | 9-12 | 820 | 1.76 |
| Sunshine Alternative Education Center | NR | Private | 10-12 | 10 | 2.55 |
| Maryhaven Center Of Hope | NR | Private | 47 | 2.56 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Westcliff Drive, Mount Sinai.