| Primary address | 434 Washington Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 51-1-74 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/03/1998 |
| Sale price | $58,000 |
| Arm's length | Register |
| Property tax | $8,072 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.17 |
| 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:
Assessed at $34,400, the tax amount paid for 434 Washington Avenue, Brentwood, NY 11717 is $8,071.
When was 434 Washington Avenue, Brentwood, NY 11717 last sold and what was the last sale price?434 Washington Avenue, Brentwood, NY 11717 was last sold in 04/03/1998 for $58,000.
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 434 Washington Avenue, Brentwood, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 04/03/1998 | $58,000 | Register | Register |
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 434 Washington 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 | $8,072 |
| Market value | $484,507 |
| Assessed value | $34,400 |
Here's the assessment & property tax history for 434 Washington 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 | $484,507 | $34,400 | 22.743 | $7,824 | +4.85% |
| 2023-2024 | $472,527 | $34,400 | 21.691 | $7,462 | -0.19% |
| 2022-2023 | $415,459 | $34,400 | 21.733 | $7,476 | +2.00% |
| 2021-2022 | $370,690 | $34,400 | 21.306 | $7,329 | +1.39% |
| 2020-2021 | $354,639 | $34,400 | 21.013 | $7,228 | +4.58% |
The complete history of permits filed for 434 Washington 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 434 Washington 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 434 Washington 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 | 0.53 |
| North Elementary School | 4 | Public | 1-5 | 855 | 0.68 |
| Pine Park Elementary School | NR | Public | K-1 | 534 | 1.19 |
| Twin Pines Elementary School | 4 | Public | 1-5 | 744 | 1.24 |
| East Elementary School | NR | Public | PK, K | 507 | 1.70 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.16 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.51 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.59 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.02 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 2.40 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 1.51 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.02 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.02 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.25 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.83 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 434 Washington Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 49 Van Buren St, Brentwood | 02/19/2015 | $240,000 | |
| 56 Franklin St, Brentwood | 1,646 | 04/09/2021 | $400,000 |
| 55 White St, Brentwood | 12/23/1999 | $143,000 | |
| 54 Franklin St, Brentwood | 05/30/2013 | $249,000 | |
| 58 Harrison St, Brentwood | 1,546 | 12/04/2020 | $381,100 |
| 434 Jefferson Ave, Brentwood | 11/12/1999 | $140,000 | |
| 43 White St, Brentwood | 02/19/2015 | $240,000 | |
| 49 White St, Brentwood | 10/29/2015 | $230,000 | |
| 57 Harrison St, Brentwood | 07/30/2009 | $220,000 | |
| 49 Harrison St, Brentwood | 10/25/1996 | $77,500 | |
| 42 Franklin St, Brentwood | 2,674 | 04/26/2019 | $406,850 |
| 486 Jefferson Ave, Brentwood | 1,492 | 02/07/2020 | $279,540 |
| 466 Washington Ave, Brentwood | 02/06/2013 | ||
| 47 Van Buren St, Brentwood | 1,290 | 01/14/2019 | |
| 46 Harrison St, Brentwood | |||
| 47 White St, Brentwood | |||
| 50 Harrison St, Brentwood | 2,108 | 04/20/2018 | $315,000 |
| 48 Franklin St, Brentwood | 01/12/2010 | $265,000 | |
| 61 Franklin St, Brentwood | 06/17/2025 | $650,000 | |
| 57 Franklin St, Brentwood |