| Primary address | 31 Prospect Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 95-1-76 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 02/02/2018 |
| Sale price | $365,000 |
| Arm's length | Register |
| Property tax | $9,151 |
| Building sqft | 1,730 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.45 |
| Year built | 1950 |
| 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 Prospect Avenue, Brentwood, NY 11717 was built in 1950 and has a total of 1,730 square feet.
What is the assessed value of 31 Prospect Avenue, Brentwood, NY 11717 and the property tax paid?Assessed at $39,000, the tax amount paid for 31 Prospect Avenue, Brentwood, NY 11717 is $9,151.
When was 31 Prospect Avenue, Brentwood, NY 11717 last sold and what was the last sale price?31 Prospect Avenue, Brentwood, NY 11717 was last sold in 02/02/2018 for $365,000.
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 31 Prospect 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 Prospect 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 | $9,151 |
| Market value | $549,295 |
| Assessed value | $39,000 |
Here's the assessment & property tax history for 31 Prospect 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 | $549,295 | $39,000 | 22.743 | $8,870 | +4.85% |
| 2023-2024 | $535,714 | $39,000 | 21.691 | $8,459 | -0.19% |
| 2022-2023 | $471,015 | $39,000 | 21.733 | $8,476 | +2.00% |
| 2021-2022 | $420,259 | $39,000 | 21.306 | $8,309 | +1.39% |
| 2020-2021 | $402,062 | $39,000 | 21.013 | $8,195 | +4.58% |
The complete history of permits filed for 31 Prospect 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 Prospect 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 Prospect 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 | 0.58 |
| East Elementary School | NR | Public | PK, K | 507 | 0.71 |
| East Elementary School | NR | Public | PK, K | 507 | 0.71 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.36 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.36 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.68 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.36 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.75 |
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.79 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.84 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.36 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.47 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.72 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.84 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.68 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 31 Prospect Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 162 Calvert Ave, Ronkonkoma | 05/10/2007 | $390,000 | |
| 40 Overlook Dr, East Islip | 10/16/2017 | $300,000 | |
| 14 Chase Ln, Sayville | 05/30/2007 | $372,000 | |
| 927 Manor Ln, Bay Shore | 03/21/2013 | $406,000 | |
| 1396 N Clinton Ave, Bay Shore | 02/12/2015 | $300,000 | |
| 11 Rolan CT, Islip Terrace | 02/13/2026 | $620,000 | |
| 248 Dovecote Ln, Central Islip | 960 | 08/02/2018 | $333,000 |
| 572 N Bayport Ave, Bayport | 05/31/2007 | $343,000 | |
| 74 Chestnut St, Brentwood | 05/11/2007 | ||
| 984 Cheril Dr, Holbrook | 10/16/2015 | $323,000 | |
| 104 Westwood Dr, Brentwood | 672 | 11/21/2016 | $279,760 |
| 61 Dogwood Rd, West Islip | 04/25/2007 | $402,000 | |
| 403 Cedarhurst St, Islip Terrace | 08/18/2022 | $710,000 | |
| 505 Hyman Ave, West Islip | 2,990 | 05/22/2019 | |
| 27 President St, Oakdale | 11/19/2008 | $434,000 | |
| 47 Arthur St, Brentwood | 01/12/2026 | $425,000 | |
| 387 Hubbs Ave, Hauppauge | 02/25/2025 | ||
| 54 Fischer Ave, Islip Terrace | 11/22/2013 | $238,000 | |
| 299 Wyandanch Rd, Sayville | 05/17/2007 | $438,000 | |
| 225 Spiral Rd, Holtsville | 05/31/2007 |