| Primary address | 21 Frank Street, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 140-1-98 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 07/06/2018 |
| Sale price | $401,700 |
| Arm's length | Register |
| Property tax | $8,752 |
| Building sqft | 2,138 |
| Building class | One Family Year-Round Residence with Accessory Apartment (215) |
| Acreage | 0.21 |
| Year built | 1960 |
| 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:
21 Frank Street, Brentwood, NY 11717 was built in 1960 and has a total of 2,138 square feet.
What is the assessed value of 21 Frank Street, Brentwood, NY 11717 and the property tax paid?Assessed at $37,300, the tax amount paid for 21 Frank Street, Brentwood, NY 11717 is $8,752.
When was 21 Frank Street, Brentwood, NY 11717 last sold and what was the last sale price?21 Frank Street, Brentwood, NY 11717 was last sold in 07/06/2018 for $401,700.
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 21 Frank Street, Brentwood, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 07/06/2018 | $401,700 | 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 21 Frank Street, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,752 |
| Market value | $525,352 |
| Assessed value | $37,300 |
Here's the assessment & property tax history for 21 Frank Street, 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 | $525,352 | $37,300 | 22.743 | $8,483 | +4.85% |
| 2023-2024 | $512,362 | $37,300 | 21.691 | $8,091 | -0.19% |
| 2022-2023 | $450,483 | $37,300 | 21.733 | $8,106 | +2.00% |
| 2021-2022 | $401,939 | $37,300 | 21.306 | $7,947 | +1.39% |
| 2020-2021 | $384,536 | $37,300 | 21.013 | $7,838 | +4.58% |
The complete history of permits filed for 21 Frank Street, 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 21 Frank Street, 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 21 Frank Street, 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 | 0.65 |
| East Elementary School | NR | Public | PK, K | 507 | 0.65 |
| Cordello Avenue Elementary School | 4 | Public | K-6 | 507 | 0.82 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.08 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.12 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.81 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.12 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.26 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.78 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.26 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.47 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.93 |
| Freshman Center | NR | Public | 9 | 1,247 | 2.56 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.73 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Frank Street, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 94 Cinnamon St, Central Islip | 10/01/2024 | $515,000 | |
| 215 Tree Ave, Central Islip | 04/23/2002 | ||
| 74 Cinnamon St, Central Islip | 05/13/2022 | ||
| 32 Ehler St, Brentwood | 09/08/2023 | $480,000 | |
| 30 Ehler St, Brentwood | |||
| 160 Twin Lawns Ave, Brentwood | 1,472 | 10/16/2019 | $375,000 |
| 184 Branch Ave, Central Islip | |||
| 1560 Islip Ave, Brentwood | 11/09/2000 | $625,000 | |
| 16 Ehler St, Brentwood | 1,489 | 08/27/2021 | $440,000 |
| 11 Ehler St, Brentwood | 06/03/2020 | ||
| 23 Frank St, Brentwood | 06/29/2023 | $605,000 | |
| 24 Ehler St, Brentwood | 05/21/2015 | $295,000 | |
| 158 Twin Lawns Ave, Brentwood | 07/03/2024 | $492,000 | |
| 203 Tree Ave, Central Islip | 09/05/2013 | ||
| 210 Branch Ave, Central Islip | 2,487 | 07/21/2020 | |
| 26 Ehler St, Brentwood | 03/27/2024 | ||
| 163 Tree Ave, Central Islip | |||
| 173 Tree Ave, Central Islip | |||
| 28 Ehler St, Brentwood | 1,372 | ||
| 162 Tree Ave, Central Islip | 1,761 | 02/04/2020 | $321,000 |