| Primary address | 31 Island Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 74-2-28 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/15/2020 |
| Sale price | $10 |
| Arm's length | Register |
| Property tax | $8,588 |
| Building sqft | 1,820 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.27 |
| Year built | 1963 |
| Zoning district | Register |
| School district | Brentwood |
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:
31 Island Avenue, Brentwood, NY 11717 was built in 1963 and has a total of 1,820 square feet.
What is the assessed value of 31 Island Avenue, Brentwood, NY 11717 and the property tax paid?Assessed at $36,600, the tax amount paid for 31 Island Avenue, Brentwood, NY 11717 is $8,588.
When was 31 Island Avenue, Brentwood, NY 11717 last sold and what was the last sale price?31 Island Avenue, Brentwood, NY 11717 was last sold in 10/15/2020 for $10.
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 31 Island Avenue, Brentwood, 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 31 Island Avenue, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,588 |
| Market value | $515,493 |
| Assessed value | $36,600 |
Here's the assessment & property tax history for 31 Island Avenue, Brentwood, 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 | $515,493 | $36,600 | 22.743 | $8,324 | +4.85% |
| 2023-2024 | $502,747 | $36,600 | 21.691 | $7,939 | -0.19% |
| 2022-2023 | $442,029 | $36,600 | 21.733 | $7,954 | +2.00% |
| 2021-2022 | $394,397 | $36,600 | 21.306 | $7,798 | +1.39% |
| 2020-2021 | $377,320 | $36,600 | 21.013 | $7,691 | +4.58% |
The complete history of permits filed for 31 Island Avenue, Brentwood, 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 31 Island Avenue, Brentwood, 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 31 Island Avenue, Brentwood 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) |
|---|---|---|---|---|---|
| Northeast Elementary School | 4 | Public | 1-5 | 942 | 0.25 |
| North Elementary School | 4 | Public | 1-5 | 855 | 0.82 |
| Pine Park Elementary School | NR | Public | K-1 | 534 | 1.06 |
| Twin Pines Elementary School | 4 | Public | 1-5 | 744 | 1.12 |
| East Elementary School | NR | Public | PK, K | 507 | 1.41 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.17 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.30 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.43 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.75 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 2.16 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 1.43 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.75 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.81 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.09 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.85 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 31 Island Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 966 Manor Ln, Bay Shore | 11/14/2022 | $250,000 | |
| 47 Pine St, Bay Shore | 05/22/2023 | ||
| 80 Atlantic Ave, West Sayville | 05/18/2001 | $291,000 | |
| 82 Seabay Walk, Bay Shore | 936 | 11/12/2024 | $560,000 |
| 5 Laurie Pl, West Sayville | 05/17/2005 | ||
| 199 Foster Ave, Sayville | 06/12/2001 | $36,500 | |
| 122 Gladstone Ave, West Islip | 06/12/2008 | $360,000 | |
| 1796 Wells Dr, Bay Shore | 04/01/2026 | $645,000 | |
| 25 Greentree Dr, Oakdale | 03/13/2026 | $450,000 | |
| 100 Pine St, Bay Shore | 01/19/2022 | ||
| 28 Cedar CT, Bay Shore | 2,573 | 02/08/2022 | $750,000 |
| 53 Pine St, Bay Shore | 2,178 | 09/15/2021 | $920,000 |
| 94 Seabay Walk, Ocean Beach | 936 | 10/31/2018 | $480,000 |
| 1206 Connetquot Ave, Central Islip | 1,466 | 02/20/2025 | $560,000 |
| 420 Astor Dr, Sayville | 07/21/2009 | $480,000 | |
| 23 Stockton St, Brentwood | 988 | 08/19/2021 | $462,000 |
| 99 Seabay Walk, Bay Shore | 1,728 | 01/14/2019 | |
| 860 Ferndale Blvd, Central Islip | 08/25/2003 | $245,000 | |
| 781 Ocean Ave, Bohemia | 06/21/2001 | $204,750 | |
| 49 Lighthouse PRM, Bay Shore | 1,800 | 03/24/2022 | $775,000 |