| Primary address | 1540 Islip Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 140-1-105.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/28/2020 |
| Sale price | $10 |
| Arm's length | Register |
| Property tax | $9,104 |
| Building sqft | 1,954 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.19 |
| Year built | 1975 |
| Units | 2 |
| 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:
1540 Islip Avenue, Brentwood, NY 11717 was built in 1975 and has a total of 1,954 square feet.
What is the assessed value of 1540 Islip Avenue, Brentwood, NY 11717 and the property tax paid?Assessed at $38,800, the tax amount paid for 1540 Islip Avenue, Brentwood, NY 11717 is $9,104.
When was 1540 Islip Avenue, Brentwood, NY 11717 last sold and what was the last sale price?1540 Islip Avenue, Brentwood, NY 11717 was last sold in 08/28/2020 for $10.
How many residential units does this building have?This building has 2 residential unit(s).
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 1540 Islip 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 1540 Islip 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 | $9,104 |
| Market value | $546,479 |
| Assessed value | $38,800 |
Here's the assessment & property tax history for 1540 Islip 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 | $546,479 | $38,800 | 22.743 | $8,824 | +4.85% |
| 2023-2024 | $532,967 | $38,800 | 21.691 | $8,416 | -0.19% |
| 2022-2023 | $468,599 | $38,800 | 21.733 | $8,432 | +2.00% |
| 2021-2022 | $418,103 | $38,800 | 21.306 | $8,267 | +1.39% |
| 2020-2021 | $400,000 | $38,800 | 21.013 | $8,153 | +4.58% |
The complete history of permits filed for 1540 Islip 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 1540 Islip 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 1540 Islip 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) |
|---|---|---|---|---|---|
| Cordello Avenue Elementary School | 4 | Public | K-6 | 507 | 0.71 |
| East Elementary School | NR | Public | PK, K | 507 | 0.73 |
| East Elementary School | NR | Public | PK, K | 507 | 0.73 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.02 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.02 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.90 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.02 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.37 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.86 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.89 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.37 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.40 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.03 |
| Freshman Center | NR | Public | 9 | 1,247 | 2.65 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.69 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 1540 Islip Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 4 Monsen St, Central Islip | 05/30/2002 | $143,617 | |
| 124 Smith Ave, Islip | 04/16/2014 | $386,250 | |
| 476 Bohemia Pkwy, Sayville | 08/10/2005 | ||
| 323 Ocean Ave, Brentwood | 12/19/2025 | $745,000 | |
| 35 2nd Pl, Central Islip | 05/14/1999 | $110,000 | |
| 294 Union Ave, Islip | 05/17/1999 | $225,000 | |
| 17 Beverly St, Islip | 04/09/1999 | $168,000 | |
| 31 Elm St, Islip | 07/20/2007 | $380,070 | |
| 898 Grundy Ave, Holbrook | 01/29/2010 | ||
| 34 Grant Ave, Islip | 07/11/2006 | ||
| 134 Seville Blvd, Sayville | 11/19/2012 | $229,990 | |
| 35 Oak Walk, Bay Shore | 08/13/2015 | ||
| 141 Alkier St, Brentwood | 11/21/2003 | ||
| 11 Locust St E, Central Islip | 11/14/2005 | $332,000 | |
| 194 N Clinton Ave, Bay Shore | 04/01/2004 | $255,000 | |
| 144 Madison Ave, Brentwood | 1,203 | 08/09/2021 | $475,000 |
| 10 Bayview Walk, Ocean Beach | 02/22/2023 | ||
| 520 Keith Ln, West Islip | 05/22/2024 | $772,500 | |
| 641 Marseille Path, Sayville | 05/10/1999 | ||
| 250 Pearl St, Ronkonkoma | 06/20/2016 | $370,000 |