| Primary address | 30 Ralph Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 96-1-52 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,339 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.45 |
| 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 $30,150, the tax amount paid for 30 Ralph Avenue, Brentwood, NY 11717 is $7,074.
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 30 Ralph Avenue, Brentwood, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 30 Ralph Avenue, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $7,075 |
| Current property tax | $5,339 |
| Market value | $424,648 |
| Assessed value | $30,150 |
Here's the assessment & property tax history for 30 Ralph 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 |
|---|---|---|---|---|---|
| 2025-2026 | $424,648 | $30,150 | 23.465 | $7,075 | +3.17% |
| 2024-2025 | $424,648 | $30,150 | 22.743 | $6,857 | +4.85% |
| 2023-2024 | $414,148 | $30,150 | 21.691 | $6,540 | -0.19% |
| 2022-2023 | $364,131 | $30,150 | 21.733 | $6,552 | +2.00% |
| 2021-2022 | $324,892 | $30,150 | 21.306 | $6,424 | +1.39% |
The complete history of permits filed for 30 Ralph 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 30 Ralph 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 30 Ralph 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) |
|---|---|---|---|---|---|
| East Elementary School | NR | Public | PK, K | 507 | 0.59 |
| East Elementary School | NR | Public | PK, K | 507 | 0.59 |
| Northeast Elementary School | 4 | Public | 1-5 | 942 | 0.70 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.28 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.28 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.57 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.28 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.66 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.83 |
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.88 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.28 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.44 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.69 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.88 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.72 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 30 Ralph Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 34 Fulton St, Brentwood | 10/27/2017 | ||
| 39 A Nostrand Ave, Brentwood | 10/06/2023 | ||
| 30 Fulton St, Brentwood | 03/08/2024 | ||
| 34 Prospect Ave, Brentwood | 1,676 | 08/05/2022 | $61,000 |
| 57 Prospect Ave, Brentwood | 01/28/2009 | $179,500 | |
| 30 Nostrand Ave, Brentwood | |||
| 37 Fulton St, Brentwood | |||
| 36 Prospect Ave, Brentwood | 2,010 | 10/20/2017 | $307,000 |
| 32 Ralph Ave, Brentwood | 12/15/2025 | $710,000 | |
| 43 Ralph Ave, Brentwood | |||
| 32 A Prospect Ave, Brentwood | |||
| 252 Vanderbilt Ave, Brentwood | 06/02/2013 | $295,000 | |
| 31 Fulton St, Brentwood | |||
| 44 Bergen St, Brentwood | |||
| 32 Prospect Ave, Brentwood | 747 | 12/23/2021 | $350,000 |
| 41 Prospect Ave, Brentwood | 11/14/2022 | $535,000 | |
| 37 Nostrand Ave, Brentwood | 2,308 | 12/03/2019 | |
| 44 Ralph Ave, Brentwood | 1,954 | 01/26/2016 | |
| 268 Vanderbilt Ave, Brentwood | 2,140 | 07/06/2023 | |
| 32 Nostrand Ave, Brentwood | 2,923 | 06/02/2017 | $270,000 |