| Primary address | 399 Grand Boulevard, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 205-1-27 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/24/2023 |
| Sale price | $680,000 |
| Arm's length | Register |
| Property tax | $10,653 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.43 |
| Year built | 1955 |
| 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:
399 Grand Boulevard, Brentwood, NY 11717 was built in 1955.
What is the assessed value of 399 Grand Boulevard, Brentwood, NY 11717 and the property tax paid?Assessed at $45,400, the tax amount paid for 399 Grand Boulevard, Brentwood, NY 11717 is $10,653.
When was 399 Grand Boulevard, Brentwood, NY 11717 last sold?399 Grand Boulevard, Brentwood, NY 11717 was last sold in 09/08/2023.
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 399 Grand Boulevard, Brentwood, including title documents, transfer conditions, mortgages and liens.
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 399 Grand Boulevard, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,653 |
| Market value | $639,437 |
| Assessed value | $45,400 |
Here's the assessment & property tax history for 399 Grand Boulevard, 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 | $639,437 | $45,400 | 22.743 | $10,325 | +4.85% |
| 2023-2024 | $623,627 | $45,400 | 21.691 | $9,848 | -0.19% |
| 2022-2023 | $548,309 | $45,400 | 21.733 | $9,867 | +2.00% |
| 2021-2022 | $489,225 | $45,400 | 21.306 | $9,673 | +1.39% |
| 2020-2021 | $468,041 | $45,400 | 21.013 | $9,540 | +4.58% |
The complete history of permits filed for 399 Grand Boulevard, 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 399 Grand Boulevard, 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 399 Grand Boulevard, 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) |
|---|---|---|---|---|---|
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 0.50 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 0.62 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 0.63 |
| East Elementary School | NR | Public | PK, K | 507 | 1.20 |
| East Elementary School | NR | Public | PK, K | 507 | 1.20 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.24 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.30 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.53 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.77 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.33 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.24 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.89 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.24 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.31 |
| Islip High School | 9 | Public | 9-12 | 892 | 2.51 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 399 Grand Boulevard, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 65 Lawn Ave, West Islip | 10/06/2010 | $450,000 | |
| 42 William Ave, Central Islip | 05/19/2025 | $135,600 | |
| 23 Cynthia Ln, East Islip | 10/04/2007 | $480,000 | |
| 1600 Baldwin Blvd, Bay Shore | 07/22/2022 | $515,000 | |
| 1694 Islip Ave, Brentwood | 05/26/2006 | ||
| 737 Tanglewood Rd, West Islip | 04/25/2006 | $499,550 | |
| 7 Huron Dr, Bay Shore | 1,872 | 09/07/2021 | $470,000 |
| 138 Cedarhurst St, Islip Terrace | 06/03/2008 | $355,000 | |
| 150 Dovecote Ln, Central Islip | 960 | 10/08/2019 | $277,000 |
| 34 Peach St, Central Islip | 1,955 | 04/28/2026 | $191,365 |
| 159 Wyandanch Rd, Sayville | 05/22/2006 | ||
| 78 Manton St, Sayville | 06/06/2006 | $345,400 | |
| 1101 Ocean Ave, Bay Shore | 1,110 | 04/18/2017 | $330,000 |
| 1511 Lincoln Blvd, Bay Shore | 06/05/2010 | ||
| 66 Washington Ave, Brentwood | 06/01/2006 | $401,700 | |
| 1564 Brightshore Blvd, Bay Shore | 12/27/2022 | ||
| 8 Denise Ln, Hauppauge | 04/06/2023 | $659,900 | |
| 70 Suffolk Ln, East Islip | 05/31/2006 | $822,000 | |
| 1429 Lincoln Blvd, Bay Shore | 1,974 | 04/24/2020 | $440,000 |
| 1259 Sycamore Ave, Bohemia | 1,380 | 11/08/2021 | $540,000 |