| Primary address | 31 Oak Street, Brentwood |
| Zip code | 11717 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 137-1-1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/13/2023 |
| Sale price | $535,000 |
| Arm's length | Register |
| Property tax | $7,720 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.17 |
| 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 $32,900, the tax amount paid for 31 Oak Street, Brentwood, NY 11717 is $7,719.
When was 31 Oak Street, Brentwood, NY 11717 last sold and what was the last sale price?31 Oak Street, Brentwood, NY 11717 was last sold in 10/13/2023 for $535,000.
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 31 Oak 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 31 Oak 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 | $7,720 |
| Market value | $463,380 |
| Assessed value | $32,900 |
Here's the assessment & property tax history for 31 Oak 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 | $463,380 | $32,900 | 22.743 | $7,482 | +26.36% |
| 2023-2024 | $375,000 | $27,300 | 21.691 | $5,922 | -0.19% |
| 2022-2023 | $329,710 | $27,300 | 21.733 | $5,933 | +2.00% |
| 2021-2022 | $294,181 | $27,300 | 21.306 | $5,817 | +1.39% |
| 2020-2021 | $281,443 | $27,300 | 21.013 | $5,737 | +4.58% |
The complete history of permits filed for 31 Oak 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 31 Oak 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 31 Oak 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) |
|---|---|---|---|---|---|
| Pine Park Elementary School | NR | Public | K-1 | 534 | 0.42 |
| Twin Pines Elementary School | 4 | Public | 1-5 | 744 | 0.49 |
| MDQ Academy | NR | Private | PK-12 | 412 | 0.86 |
| MDQ Academy | NR | Private | PK-12 | 412 | 0.86 |
| Northeast Elementary School | 4 | Public | 1-5 | 942 | 1.08 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Freshman Center | NR | Public | 9 | 1,247 | 0.77 |
| MDQ Academy | NR | Private | PK-12 | 412 | 0.86 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.00 |
| North Middle School | 4 | Public | 6-8 | 1,131 | 1.04 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.07 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 0.65 |
| Freshman Center | NR | Public | 9 | 1,247 | 0.77 |
| MDQ Academy | NR | Private | PK-12 | 412 | 0.86 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.67 |
| Brentwood Res Center | NR | Public | 9-10, 12 | 11 | 2.70 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 31 Oak Street, Brentwood.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 52 Darcy Cir, Islip | 08/25/2010 | $430,500 | |
| 10 Redmen St, Islip Terrace | 10/03/2001 | $180,000 | |
| 131 Gibson Ave, Brentwood | 1,358 | 09/21/2018 | $350,000 |
| 43 N Montgomery Ave, Bay Shore | 10/13/1998 | $160,500 | |
| 11 Date St, Central Islip | 01/25/2008 | ||
| 252 Hilltop Dr, Brentwood | 08/16/2012 | ||
| 85 Irving St, Central Islip | 1,032 | 09/17/2025 | $611,702 |
| 91 Broadlawn Dr, Central Islip | 04/28/2026 | $555,000 | |
| 8 Arctic St, Bay Shore | 1,275 | 08/13/2021 | $510,000 |
| 214 F Springmeadow Dr, Holbrook | 1,313 | 07/17/2018 | $305,000 |
| 1523 N Gardiner Dr, Bay Shore | 06/28/2024 | ||
| 186 Plunkett St, Brentwood | 1,244 | 08/12/2021 | $435,000 |
| 68 Cleveland Ave, Sayville | 04/13/1999 | $185,000 | |
| 16 Andrea Ln, West Sayville | 10/10/1996 | $130,000 | |
| 491 Michigan St, Ronkonkoma | 10/21/2004 | $265,000 | |
| 1000 Aberdeen Rd, Bay Shore | 04/18/2006 | $415,000 | |
| 554 N Bayport Ave, Bayport | 02/04/2026 | $700,000 | |
| 45 Pennsylvania Ave, Brentwood | 09/30/1996 | $184,250 | |
| 2551 Pine Ave, Ronkonkoma | 08/08/2025 | $700,000 | |
| 39 Morton St, Brentwood | 05/04/2001 | $178,000 |