| Primary address | 21 Rock Road, Islip Terrace |
| Zip code | 11752 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 275-3-113 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $10,847 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.26 |
| 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:
Assessed at $38,800, the tax amount paid for 21 Rock Road, Islip Terrace, NY 11752 is $10,847.
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 Rock Road, Islip Terrace, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 21 Rock Road, Islip Terrace, NY 11752. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,847 |
| Market value | $546,479 |
| Assessed value | $38,800 |
Here's the assessment & property tax history for 21 Rock Road, Islip Terrace, 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 | $546,479 | $38,800 | 26.849 | $10,417 | +2.69% |
| 2023-2024 | $532,967 | $38,800 | 26.145 | $10,144 | +0.84% |
| 2022-2023 | $468,599 | $38,800 | 25.927 | $10,060 | -0.72% |
| 2021-2022 | $418,103 | $38,800 | 26.114 | $10,132 | +2.36% |
| 2020-2021 | $400,000 | $38,800 | 25.513 | $9,899 | -20.34% |
The complete history of permits filed for 21 Rock Road, Islip Terrace, 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 Rock Road, Islip Terrace, 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 Rock Road, Islip Terrace 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) |
|---|---|---|---|---|---|
| Connetquot Elementary School | NR | Public | PK, K-2 | 366 | 0.37 |
| Connetquot Elementary School | NR | Public | PK, K-2 | 366 | 0.37 |
| Ruth C Kinney Elementary School | 7 | Public | 3-5 | 302 | 0.81 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 1.06 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 1.06 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Islip Middle School | 6 | Public | 6-8 | 804 | 0.69 |
| Oakdale Bohemia Middle School | 6 | Public | 6-8 | 634 | 2.07 |
| St Mary School | NR | Private | PK-8 | 413 | 2.09 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.31 | |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 2.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Islip High School | 8 | Public | 9-12 | 1,145 | 0.71 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.31 | |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.73 |
| Islip High School | 9 | Public | 9-12 | 892 | 3.17 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 3.76 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Rock Road, Islip Terrace.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 345 Maplewood St, Islip Terrace | 1,628 | 08/06/2019 | $473,800 |
| 13 Rock Rd, Islip Terrace | 06/21/2013 | ||
| 32 Woods Rd, Islip Terrace | 08/12/1996 | $141,500 | |
| 28 Woods Pl, Islip Terrace | 06/03/2011 | $322,500 | |
| 14 Woods Pl, Islip Terrace | 1,562 | 04/30/2021 | |
| 25 Craig Rd, Islip Terrace | 04/29/2015 | ||
| 491 Connetquot Ave, Islip Terrace | |||
| 5 Woods Rd, Islip Terrace | 1,714 | 11/18/2016 | |
| 19 Craig Rd, Islip Terrace | 04/30/2014 | $415,000 | |
| 23 Craig Rd, Islip Terrace | 1,010 | 08/15/2023 | |
| 17 Craig Rd, Islip Terrace | 12/04/2013 | $220,000 | |
| 27 Craig Rd, Islip Terrace | |||
| 457 Connetquot Ave, Islip Terrace | |||
| 449 Connetquot Ave, Islip Terrace | |||
| 25 Rock Rd, Islip Terrace | |||
| 29 Rock Rd, Islip Terrace | 01/18/1996 | $145,400 | |
| 501 Connetquot Ave, Islip Terrace | 1,038 | 02/07/2025 | $572,500 |
| 18 Woods Pl, Islip Terrace | |||
| 527 Connetquot Ave, Islip Terrace | 11/15/2024 | $615,000 | |
| 635 Connetquot Ave, Islip Terrace | 12/01/2025 | $680,000 |