| Primary address | 20 Brook Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 294-1-112 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/14/2003 |
| Sale price | $230,000 |
| Arm's length | Register |
| Current property tax | $7,463 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.44 |
| Zoning district | Register |
| School district | Islip |
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 $26,500, the tax amount paid for 20 Brook Street, Islip, NY 11751 is $8,364.
When was 20 Brook Street, Islip, NY 11751 last sold and what was the last sale price?20 Brook Street, Islip, NY 11751 was last sold in 04/14/2003 for $230,000.
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 Brook Street, Islip, 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 20 Brook Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $8,364 |
| Current property tax | $7,463 |
| Market value | $373,240 |
| Assessed value | $26,500 |
Here's the assessment & property tax history for 20 Brook Street, Islip, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $373,240 | $26,500 | 31.564 | $8,364 | +3.54% |
| 2024-2025 | $373,240 | $26,500 | 30.486 | $8,079 | +3.73% |
| 2023-2024 | $364,011 | $26,500 | 29.39 | $7,788 | +1.68% |
| 2022-2023 | $320,049 | $26,500 | 28.904 | $7,660 | +0.07% |
| 2021-2022 | $285,560 | $26,500 | 28.884 | $7,654 | +3.07% |
The complete history of permits filed for 20 Brook Street, Islip, 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 Brook Street, Islip, 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 Brook Street, Islip 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) |
|---|---|---|---|---|---|
| Commack Road Elementary School | 3 | Public | 2-5 | 397 | 0.14 |
| Wing Elementary School | NR | Public | K-1 | 379 | 0.52 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.26 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.26 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 1.28 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.01 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.26 |
| St Mary School | NR | Private | PK-8 | 413 | 1.55 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.74 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 1.99 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.93 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 1.99 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.00 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.40 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.80 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Brook Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1344 Thompson Dr, Bay Shore | 1,904 | 08/14/2019 | $452,500 |
| 11 Grove St, Brentwood | 02/27/2025 | $630,000 | |
| 800 Blydenburgh Rd, Hauppauge | 12/03/2001 | $386,500 | |
| 2 Sampson St, Sayville | 11/14/2023 | ||
| 224 Connetquot Rd, Bayport | 1,327 | 11/26/2001 | |
| 316 Hyman Ave, West Islip | 11/30/2001 | $242,500 | |
| 41 Northwood Blvd, Central Islip | 10/31/2001 | $212,500 | |
| 119 Merrill St, Brentwood | 12/10/2001 | $96,000 | |
| 20 Colony Dr, West Sayville | 03/19/2004 | $388,000 | |
| 248 Orourke St, Brentwood | 1,988 | 03/23/2018 | $330,000 |
| 17 Pinetop Dr, Central Islip | 11/09/2001 | $180,000 | |
| 212 Brentwood St, Bay Shore | 12/06/2001 | $149,900 | |
| 70 Brightside Ave, Central Islip | 2,332 | 09/22/2020 | $420,000 |
| 6 Grant Ave, Brentwood | 12/15/2005 | ||
| 13 W Halley Ln, Central Islip | 03/27/2013 | $175,000 | |
| 71 Buckingham Dr, Holbrook | 10/01/2005 | ||
| 420 Mystic Way, Bay Shore | 06/05/2025 | $600,000 | |
| 1277 Hummel Ave, Holbrook | 05/08/2026 | $685,000 | |
| 1105 Coates Ave, Holbrook | 01/23/2012 | $342,000 | |
| 800 Locust Ave, Bohemia | 11/03/2022 |