| Primary address | 18 Thomas Street, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 35-1-1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/15/2014 |
| Sale price | $280,000 |
| Arm's length | Register |
| Current property tax | $7,820 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.38 |
| 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 $35,900, the tax amount paid for 18 Thomas Street, Brentwood, NY 11717 is $8,423.
When was 18 Thomas Street, Brentwood, NY 11717 last sold?18 Thomas Street, Brentwood, NY 11717 was last sold in 09/07/2017.
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 18 Thomas Street, Brentwood, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 18 Thomas Street, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $8,424 |
| Current property tax | $7,820 |
| Market value | $505,634 |
| Assessed value | $35,900 |
Here's the assessment & property tax history for 18 Thomas 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 | $505,634 | $35,900 | 22.743 | $8,165 | +4.85% |
| 2023-2024 | $493,132 | $35,900 | 21.691 | $7,787 | -0.19% |
| 2022-2023 | $433,575 | $35,900 | 21.733 | $7,802 | +2.00% |
| 2021-2022 | $386,853 | $35,900 | 21.306 | $7,649 | +1.39% |
| 2020-2021 | $370,103 | $35,900 | 21.013 | $7,544 | +4.58% |
The complete history of permits filed for 18 Thomas 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 18 Thomas 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 18 Thomas 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) |
|---|---|---|---|---|---|
| North Elementary School | 4 | Public | 1-5 | 855 | 0.39 |
| Northeast Elementary School | 4 | Public | 1-5 | 942 | 1.30 |
| Twin Pines Elementary School | 4 | Public | 1-5 | 744 | 1.31 |
| Pine Park Elementary School | NR | Public | K-1 | 534 | 1.33 |
| Wood Park School | NR | Public | K-2 | 288 | 1.58 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Middle School | 4 | Public | 6-8 | 1,131 | 0.87 |
| Freshman Center | NR | Public | 9 | 1,247 | 1.40 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 2.27 |
| Commack Middle School | 7 | Public | 6-8 | 1,322 | 2.44 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.51 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 1.40 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.28 |
| Brentwood Res Center | NR | Public | 9-10, 12 | 11 | 2.38 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.51 |
| Nassau/Suffolk Services-Autistic | NR | Private | 0 | 2.60 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 Thomas Street, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1532 Pine Acres Blvd, Bay Shore | 1,217 | 12/22/2022 | $501,000 |
| 173 Evergreen Ave, Brentwood | 02/28/2002 | $185,000 | |
| 1740 Madison Ave, West Islip | 10/22/2018 | ||
| 81 Ballad Cir, Holbrook | 2,076 | 10/04/2019 | $451,000 |
| 8 W Belmont St, Bay Shore | 2,080 | 11/18/2021 | $469,000 |
| 31 Lake Shore Dr, Ronkonkoma | 12/30/2014 | $240,000 | |
| 50 Sylvia Dr, West Islip | 01/14/2002 | $297,000 | |
| 1417 N Windsor Ave, Bay Shore | 01/23/2020 | ||
| 12 Taylor Ave, East Islip | 09/26/2003 | ||
| 334 Myrtle Ave, West Islip | 12/12/2000 | $245,000 | |
| 42 Timber Ridge Dr, Holbrook | 05/15/2024 | $575,000 | |
| 104 Grant Ave, Brentwood | 06/15/2006 | ||
| 12 Briar Cir, West Sayville | 12/13/2000 | $157,000 | |
| 979 Suffolk Ave, Brentwood | 03/08/2006 | ||
| 862 Waverly Ave, Holtsville | 12/15/2000 | $222,000 | |
| 1534 Baldwin Blvd, Bay Shore | 11/29/2001 | ||
| 12 Musket Dr, Holbrook | 11/21/2000 | $185,000 | |
| 57 Lakeland Ave, Sayville | 1,690 | 03/04/2025 | |
| 1488 Walnut Ave, Bohemia | 10/01/2001 | $285,000 | |
| 4 Bluejay Dr, Brentwood | 04/28/2006 | $397,500 |