| Primary address | 20 Columbus Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 75-2-51 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $8,406 |
| 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).
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Assessed at $38,400, the tax amount paid for 20 Columbus Avenue, Brentwood, NY 11717 is $9,010.
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 20 Columbus Avenue, Brentwood, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 20 Columbus 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 | $9,011 |
| Current property tax | $8,406 |
| Market value | $540,845 |
| Assessed value | $38,400 |
Here's the assessment & property tax history for 20 Columbus 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 | $540,845 | $38,400 | 22.743 | $8,733 | +4.85% |
| 2023-2024 | $527,473 | $38,400 | 21.691 | $8,329 | -0.19% |
| 2022-2023 | $463,769 | $38,400 | 21.733 | $8,345 | +2.00% |
| 2021-2022 | $413,793 | $38,400 | 21.306 | $8,182 | +1.39% |
| 2020-2021 | $395,876 | $38,400 | 21.013 | $8,069 | +4.58% |
The complete history of permits filed for 20 Columbus 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 20 Columbus 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 20 Columbus 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 | 0.34 |
| East Elementary School | NR | Public | PK, K | 507 | 1.00 |
| East Elementary School | NR | Public | PK, K | 507 | 1.00 |
| Pine Park Elementary School | NR | Public | K-1 | 534 | 1.34 |
| North Elementary School | 4 | Public | 1-5 | 855 | 1.37 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.94 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.57 |
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.64 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.77 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.97 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.57 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.58 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.77 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.83 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.58 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Columbus Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 38 Columbus Ave, Brentwood | |||
| 27 Columbus Ave, Brentwood | 1,053 | 07/06/2022 | $480,000 |
| 39 Columbus Ave, Brentwood | |||
| 24 Columbus Ave, Brentwood | 09/24/2010 | $223,000 | |
| 34 Columbus Ave, Brentwood | 05/01/2019 | ||
| 16 Columbus Ave, Brentwood | 1,304 | 04/07/2026 | $690,000 |
| 22 Columbus Ave, Brentwood | 10/08/2009 | $235,000 | |
| 33 Bushwick Ave, Brentwood | 05/12/1993 | $80,000 | |
| 15 Columbus Ave, Brentwood | 1,920 | 08/20/2018 | $299,990 |
| 32 A Columbus Ave, Brentwood | |||
| 29 Columbus Ave, Brentwood | 09/30/2020 | ||
| 61 Fulton St, Brentwood | 12/09/2016 | $250,000 | |
| 18 Columbus Ave, Brentwood | 06/12/1996 | $107,000 | |
| 19 Columbus Ave, Brentwood | 756 | 11/28/2016 | |
| 40 Columbus Ave, Brentwood | 06/18/2013 | ||
| 37 A Bushwick Ave, Brentwood | 01/23/2020 | ||
| 10 Lexington Ave, Brentwood | 10/04/2024 | ||
| 39 A Columbus Ave, Brentwood | 04/28/2023 | ||
| 28 Columbus Ave, Brentwood | 01/08/2013 | $150,000 | |
| 36 Columbus Ave, Brentwood | 06/08/2009 |