| Primary address | 18 Grace Court, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 422-1-35 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/19/2003 |
| Sale price | $400,000 |
| Arm's length | Register |
| Property tax | $14,519 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.22 |
| Zoning district | Register |
| School district | 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:
Assessed at $46,000, the tax amount paid for 18 Grace Court, Islip, NY 11751 is $14,519.
When was 18 Grace Court, Islip, NY 11751 last sold?18 Grace Court, Islip, NY 11751 was last sold in 03/18/2016.
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 18 Grace Court, Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 03/19/2003 | $400,000 | 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 18 Grace Court, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $14,519 |
| Market value | $647,887 |
| Assessed value | $46,000 |
Here's the assessment & property tax history for 18 Grace Court, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $647,887 | $46,000 | 31.564 | $14,519 | +3.54% |
| 2024-2025 | $647,887 | $46,000 | 30.486 | $14,024 | +3.73% |
| 2023-2024 | $631,868 | $46,000 | 29.39 | $13,519 | +1.68% |
| 2022-2023 | $555,555 | $46,000 | 28.904 | $13,296 | +0.07% |
| 2021-2022 | $495,690 | $46,000 | 28.884 | $13,287 | +3.07% |
The complete history of permits filed for 18 Grace Court, 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 18 Grace Court, 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) | X (See more on map) |
Access the detailed traffic volume map for 18 Grace Court, 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 | 0.27 |
| Woodhull School | NR | Public | PK, K-6 | 34 | 1.15 |
| Woodhull School | NR | Public | PK, K-6 | 34 | 1.15 |
| St Mary School | NR | Private | PK-8 | 413 | 1.34 |
| St Mary School | NR | Private | PK-8 | 413 | 1.34 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.62 |
| St Mary School | NR | Private | PK-8 | 413 | 1.34 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.58 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 2.23 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.78 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.70 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 1.99 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.84 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.86 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 4.12 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 Grace Court, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 134 3rd St, Brentwood | 01/11/2022 | $485,000 | |
| 127 Applegate Dr, Central Islip | 02/05/2018 | $272,900 | |
| 122 King St, Bay Shore | 2,318 | 04/30/2018 | $389,000 |
| 30 Brookdale Dr, Bay Shore | 12/14/2004 | ||
| 1720 Pine Acres Blvd, Bay Shore | 08/10/2005 | $331,000 | |
| 1064 Martinstein Ave, Bay Shore | 1,540 | 06/14/2024 | |
| 37 Malts Ave, West Islip | 1,862 | 01/07/2022 | |
| 158 Mohawk St, Ronkonkoma | 05/12/2023 | $285,000 | |
| 1544 Potter Blvd, Bay Shore | 1,852 | 12/27/2019 | $385,000 |
| 150 Whitetail Ln, Central Islip | 960 | 02/07/2017 | $158,000 |
| 198 Jefferson St, East Islip | 08/04/2005 | $386,250 | |
| 7 West CT, Bay Shore | 12/13/2024 | $526,000 | |
| 26 Adams Pl, West Islip | 05/06/2025 | $745,000 | |
| 80 Richard Ave, Islip Terrace | 07/26/2005 | $159,000 | |
| 27 Fairview Ave, Islip Terrace | 04/10/2013 | $185,400 | |
| 357 W 5th St, West Islip | 08/12/2005 | $355,000 | |
| 53 Bayview Ave, East Islip | 09/18/2025 | $390,000 | |
| 94 San Rafael Ave, Holbrook | 08/10/2005 | $465,000 | |
| 4 Brookdale Dr, Bay Shore | 02/14/2007 | ||
| 274 Coronado St, Islip Terrace | 972 | 05/17/2017 | $345,000 |