| Primary address | 850 Grundy Avenue, Holbrook |
| Zip code | 11741 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 175-1-85.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $11,255 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.32 |
| Zoning district | Register |
| School district | Sachem |
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 $43,700, the tax amount paid for 850 Grundy Avenue, Holbrook, NY 11741 is $11,254.
When was 850 Grundy Avenue, Holbrook, NY 11741 last sold?850 Grundy Avenue, Holbrook, NY 11741 was last sold in 12/15/1997.
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 850 Grundy Avenue, Holbrook, 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 850 Grundy Avenue, Holbrook, NY 11741. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $11,255 |
| Market value | $615,493 |
| Assessed value | $43,700 |
Here's the assessment & property tax history for 850 Grundy Avenue, Holbrook, 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 | $615,493 | $43,700 | 24.765 | $10,822 | +3.95% |
| 2023-2024 | $600,275 | $43,700 | 23.824 | $10,411 | +0.05% |
| 2022-2023 | $527,778 | $43,700 | 23.811 | $10,405 | -2.59% |
| 2021-2022 | $470,905 | $43,700 | 24.444 | $10,682 | +2.56% |
| 2020-2021 | $450,515 | $43,700 | 23.835 | $10,416 | +8.31% |
The complete history of permits filed for 850 Grundy Avenue, Holbrook, 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 850 Grundy Avenue, Holbrook, 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 850 Grundy Avenue, Holbrook 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) |
|---|---|---|---|---|---|
| Grundy Avenue School | 5 | Public | K-5 | 470 | 0.30 |
| Merrimac School | 7 | Public | K-5 | 336 | 0.53 |
| Sunrise Drive Elementary School | 6 | Public | K-5 | 374 | 1.63 |
| John Pearl Elementary School | 6 | Public | K-5 | 189 | 2.03 |
| Tamarac Elementary School | 7 | Public | K-5 | 443 | 2.03 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Seneca Middle School | 6 | Public | 6-8 | 973 | 1.47 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 1.76 |
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 2.23 |
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 2.60 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 3.21 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 2.60 |
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 2.91 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 3.28 |
| Sayville High School | 9 | Public | 9-12 | 880 | 3.46 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.95 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 850 Grundy Avenue, Holbrook.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 276 Muriel St, Holbrook | 1,206 | 04/08/2021 | $400,000 |
| 913 Grundy Ave, Holbrook | 1,262 | 05/26/2017 | $340,000 |
| 972 Cheril Dr, Holbrook | 01/30/2023 | $10 | |
| 858 Grundy Ave, Holbrook | |||
| 272 S Roberts St, Holbrook | 1,552 | 04/12/2019 | |
| 259 Muriel St, Holbrook | 1,056 | 04/01/2022 | $330,000 |
| 316 S Roberts St, Holbrook | |||
| 292 S Roberts St, Holbrook | |||
| 279 S Roberts St, Holbrook | |||
| 976 Cheril Dr, Holbrook | |||
| 265 Muriel St, Holbrook | |||
| 318 Muriel St, Holbrook | 760 | 01/13/2023 | $310,000 |
| 215 Muriel St, Holbrook | 1,066 | 11/14/2025 | $620,000 |
| 309 Muriel St, Holbrook | 12/08/2011 | $267,500 | |
| 866 Grundy Ave, Holbrook | 05/05/2025 | $530,000 | |
| 216 Ford St, Holbrook | 06/13/1994 | $120,000 | |
| 322 S Roberts St, Holbrook | 1,502 | 10/18/2021 | $456,000 |
| 246 Perimeter St, Holbrook | 03/12/2015 | ||
| 996 Cheril Dr, Holbrook | |||
| 291 Muriel St, Holbrook | 01/12/2012 | $348,400 |