| Primary address | 11 The Mast, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 445-1-5.4 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/20/2022 |
| Sale price | $1,275,000 |
| Arm's length | Register |
| Property tax | $29,243 |
| Building sqft | 4,320 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.71 |
| Year built | 1985 |
| Zoning district | Register |
| School district | East Islip |
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:
11 The Mast, East Islip, NY 11730 was built in 1985 and has a total of 4,320 square feet.
What is the assessed value of 11 The Mast, East Islip, NY 11730 and the property tax paid?Assessed at $104,600, the tax amount paid for 11 The Mast, East Islip, NY 11730 is $29,243.
When was 11 The Mast, East Islip, NY 11730 last sold and what was the last sale price?11 The Mast, East Islip, NY 11730 was last sold in 05/20/2022 for $1,275,000.
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 11 The Mast, East Islip, 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 11 The Mast, East Islip, NY 11730. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $29,243 |
| Market value | $1,473,239 |
| Assessed value | $104,600 |
Here's the assessment & property tax history for 11 The Mast, East Islip, 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 | $1,473,239 | $104,600 | 26.849 | $28,084 | -8.19% |
| 2023-2024 | $1,607,143 | $117,000 | 26.145 | $30,590 | +0.84% |
| 2022-2023 | $1,413,043 | $117,000 | 25.927 | $30,335 | -0.72% |
| 2021-2022 | $1,260,775 | $117,000 | 26.114 | $30,553 | +2.36% |
| 2020-2021 | $1,206,186 | $117,000 | 25.513 | $29,850 | -20.34% |
The complete history of permits filed for 11 The Mast, East Islip, 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 11 The Mast, East Islip, 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) | AE, X (See more on map) |
Access the detailed traffic volume map for 11 The Mast, East Islip 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) |
|---|---|---|---|---|---|
| Maud S Sherwood Elementary School | 6 | Public | 2-5 | 335 | 0.76 |
| John F Kennedy Elementary School | 5 | Public | 3-5 | 450 | 0.95 |
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 1.52 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.52 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.57 |
| St Patrick School | NR | Private | PK-8 | 534 | 2.57 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 3.23 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 1.56 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.66 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 3.02 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 4.27 | |
| MDQ Academy | NR | Private | PK-12 | 412 | 4.59 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 11 The Mast, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 103 The Helm, East Islip | 04/23/2012 | $2,300,000 | |
| 2 The Keel, East Islip | 07/27/2023 | ||
| 7 The Moor, East Islip | |||
| 475 Smith Ave, Islip | 03/16/1995 | $161,990 | |
| 56 The Helm, East Islip | |||
| 479 Smith Ave, Islip | |||
| 389 Cedar Ave, Islip | 11/14/1997 | $357,000 | |
| 57 The Helm, East Islip | |||
| 38 The Helm, East Islip | 5,676 | 02/25/2026 | $1,550,000 |
| 71 The Helm, East Islip | 04/18/2024 | ||
| 79 The Helm, East Islip | 4,962 | 06/12/2019 | $950,000 |
| 15 The Sail, East Islip | 07/07/2016 | $1,180,000 | |
| 23 The Keel, East Islip | 2,118 | 09/20/2018 | $752,500 |
| 34 The Helm, East Islip | 08/28/2025 | $1,200,000 | |
| 26 The Helm, East Islip | 5,166 | 09/08/2023 | |
| 72 The Helm, East Islip | 4,986 | 06/30/2025 | $2,999,990 |
| 12 Holly Tree Ln, East Islip | 3,366 | 03/20/2024 | |
| 3 The Moor, East Islip | |||
| 365 Cedar Ave, Islip | 11/11/2024 | ||
| 51 The Helm, East Islip | 3,410 | 02/18/2026 | $1,437,700 |