| Primary address | 21 Brightside Avenue, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 120-3-25 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/01/2024 |
| Sale price | $800,000 |
| Arm's length | Register |
| Property tax | $13,655 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.33 |
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 $44,800, the tax amount paid for 21 Brightside Avenue, Central Islip, NY 11722 is $13,655.
When was 21 Brightside Avenue, Central Islip, NY 11722 last sold and what was the last sale price?21 Brightside Avenue, Central Islip, NY 11722 was last sold in 08/01/2024 for $800,000.
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 Brightside Avenue, Central Islip, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 Brightside Avenue, Central Islip, NY 11722. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $13,655 |
| Market value | $630,986 |
| Assessed value | $44,800 |
Here's the assessment & property tax history for 21 Brightside Avenue, Central 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 | $78,873 | $5,600 | 29.569 | $1,656 | +5.71% |
| 2023-2024 | $76,923 | $5,600 | 27.973 | $1,566 | -1.12% |
| 2022-2023 | $67,633 | $5,600 | 28.29 | $1,584 | +0.97% |
| 2021-2022 | $60,345 | $5,600 | 28.019 | $1,569 | -2.89% |
| 2020-2021 | $57,732 | $5,600 | 28.854 | $1,616 | +3.66% |
The complete history of permits filed for 21 Brightside Avenue, Central 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 21 Brightside Avenue, Central 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 21 Brightside Avenue, Central 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) |
|---|---|---|---|---|---|
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.27 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.27 |
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.30 |
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.30 |
| Cordello Avenue Elementary School | 4 | Public | K-6 | 507 | 0.35 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.27 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 0.95 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.59 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.07 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.21 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 0.65 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.07 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.21 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.33 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.84 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Brightside Avenue, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 11 A Hazel St, Central Islip | 07/02/1997 | $132,500 | |
| 2 A Rossmore Ave, Central Islip | |||
| 14 Cordello Ave, Central Islip | |||
| 15 Hazel St, Central Islip | |||
| 25 Brightside Ave, Central Islip | 3,120 | 02/07/2025 | |
| 175 Clayton St, Central Islip | 04/15/2022 | ||
| 22 Cordello Ave, Central Islip | 01/25/2017 | $135,000 | |
| 30 Cordello Ave, Central Islip | 1,040 | 06/07/2024 | $500,000 |
| 20 Brightside Ave, Central Islip | |||
| 31 Brightside Ave, Central Islip | 08/08/2025 | $72,100 | |
| 21 Cordello Ave, Central Islip | |||
| 255 St Johns St, Central Islip | 11/30/2010 | $220,000 | |
| 2 Cordello Ave, Central Islip | 08/08/2025 | $2,627,900 | |
| 2 Rossmore Ave, Central Islip | 13,000 | 08/08/2025 | $2,627,900 |
| 185 Clayton St, Central Islip | 10/26/2016 | $200,000 | |
| 245 St Johns St, Central Islip | 1,032 | 04/26/2021 | |
| 19 Brightside Ave, Central Islip | 2,830 | 01/16/2018 | $449,000 |
| 196 Clayton St, Central Islip | |||
| 21 Hazel St, Central Islip | |||
| 1 Booth St, Central Islip |