| Primary address | 12 Leahy Avenue, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 115-1-50 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,085 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.25 |
| 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).
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Assessed at $34,000, the tax amount paid for 12 Leahy Avenue, Brentwood, NY 11717 is $7,978.
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 12 Leahy Avenue, Brentwood, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 12 Leahy 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 | $7,978 |
| Current property tax | $5,085 |
| Market value | $478,873 |
| Assessed value | $34,000 |
Here's the assessment & property tax history for 12 Leahy 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 | $478,873 | $34,000 | 22.743 | $7,733 | +4.85% |
| 2023-2024 | $467,033 | $34,000 | 21.691 | $7,375 | -0.19% |
| 2022-2023 | $410,628 | $34,000 | 21.733 | $7,389 | +2.00% |
| 2021-2022 | $366,379 | $34,000 | 21.306 | $7,244 | +1.39% |
| 2020-2021 | $350,515 | $34,000 | 21.013 | $7,144 | +4.58% |
The complete history of permits filed for 12 Leahy 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 12 Leahy 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 12 Leahy 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) |
|---|---|---|---|---|---|
| Twin Pines Elementary School | 4 | Public | 1-5 | 744 | 0.31 |
| Pine Park Elementary School | NR | Public | K-1 | 534 | 0.37 |
| North Elementary School | 4 | Public | 1-5 | 855 | 1.20 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.31 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.31 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 0.25 |
| North Middle School | 4 | Public | 6-8 | 1,131 | 0.73 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.30 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.31 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.56 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 0.25 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 0.80 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.31 |
| Brentwood Res Center | NR | Public | 9-10, 12 | 11 | 2.15 |
| Ascent School for Individuals With Autism | NR | Private | 4-12 | 24 | 2.79 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 12 Leahy Avenue, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 133 McNair St, Brentwood | 1,240 | 06/05/2019 | |
| 187 Crooked Hill Rd, Brentwood | 07/08/2025 | ||
| 16 Leahy Ave, Brentwood | 1,306 | 11/09/2022 | |
| 11 Leahy Ave, Brentwood | |||
| 5 Lee Ave, Brentwood | 968 | 02/06/2018 | $260,000 |
| 144 Wicks Rd, Brentwood | 03/31/2025 | $525,000 | |
| 2 Leahy Ave, Brentwood | |||
| 35 McKinley St, Brentwood | 07/25/2014 | $231,750 | |
| 15 McKinley St, Brentwood | 2,784 | 02/05/2021 | |
| 189 Crooked Hill Rd, Brentwood | 11/08/2022 | ||
| 192 Crooked Hill Rd, Brentwood | 10/06/2016 | $309,900 | |
| 69 William St, Brentwood | 04/26/2024 | ||
| 157 Wheeler Ave, Brentwood | |||
| 80 Grant Ave, Brentwood | |||
| 19 Leahy Ave, Brentwood | 1,526 | 05/19/2023 | $420,000 |
| 22 McKinley St, Brentwood | 11/07/2023 | ||
| 25 McKinley St, Brentwood | 05/27/1999 | ||
| 168 Wicks Rd, Brentwood | 2,032 | 08/27/2019 | |
| 32 Cyprus Ave, Brentwood | |||
| 20 McKinley St, Brentwood |