| Primary address | 1670 Route 25a, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Laurel Hollow |
| Parcel ID | 14-A-11 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 12,173 |
| Building class | Religious (620.14) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.313 |
| Buildings on lot | 1 |
| Year built | 1835 |
| Stories | 1 |
| Capitalization rate | Register |
| Street | Paved |
| Traffic | Light |
| Area type | Neighborhood or spot |
| School district | Cold Spring Harbor CSD |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
| Square footage | Structure | Grade | Year built | Stories |
|---|---|---|---|---|
| 12,173 | Religious | B | 1835 | 1 |
| Floors | Square footage | Use | Construction | Condition | Exterior wall | Heating | Plumbing |
|---|---|---|---|---|---|---|---|
| 01-01 | 2,659 | Religious inst | Register | Register | Register | Register | Register |
| 01-01 | 4,649 | Religious inst | Register | Register | Register | Register | Register |
| 02-02 | 4,305 | Religious inst | Register | Register | Register | Register | Register |
| M1-M1 | 560 | Religious inst | Register | Register | Register | Register | Register |
Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.
Check out a breakdown by type of rentable square feet and the rent charged for each, including detailed info on expenses, gross/net income, income and expense rate.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
1670 Route 25a, Syosset, NY 11791 was built in 1835 and has a total of 12,173 square feet.
What is the assessed value of 1670 Route 25a, Syosset, NY 11791?The assessed market value for the current tax year is $14,506.
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 1670 Route 25a, Syosset, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 1670 Route 25a, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $0 |
| Tax class | Register |
| Market value | $1,450,600 |
| Assessed value | $14,506 |
| Transitional assessed value | Register |
Here's the assessment & property tax history for 1670 Route 25a, Syosset, 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 |
|---|---|---|---|---|---|
| 2026 | $1,450,600 | $14,506 | n/a | ||
| 2025 | $1,450,600 | $14,506 | n/a | ||
| 2024 | $1,450,588 | $14,506 | 105.856 | $14,849 | n/a |
| 2023 | $1,450,600 | $14,506 | n/a | ||
| 2022 | $1,450,600 | $14,506 | n/a |
The complete history of permits filed for 1670 Route 25a, Syosset, 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.
| Total population | 25,520 |
| Median age | 43.2 |
| Average household income | $276,174 |
| Family households | 83.9% |
| Occupied housing units | 8,113 |
| Owner occupied units | 93.5% |
| Average number of people per household | 3.11 |
| Median year structure built | 1959 |
| Median value for units with a mortgage | $968,800 |
| Median value for units without a mortgage | $878,600 |
Create a free account to unlock extended information for 1670 Route 25a, Syosset, 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 1670 Route 25a, Syosset 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 |
Here are the neighbors for 1670 Route 25a, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1678 Route 25a, Syosset | 1,182 | ||
| 592 Cold Spring Rd, Syosset | 2,781 | 12/11/2024 | $1,365,000 |
| 54 Tiffany Rd, Oyster Bay | 5,795 | 07/19/2024 | $1,500,000 |
| 1263 Tiffany Rd, Oyster Bay | 5,848 | 08/23/2006 | $3,100,000 |
| 34 Tiffany Rd, Oyster Bay | 4,937 | 05/27/2022 | |
| 1680 Route 25a, Syosset | 1,895 | 12/12/2018 | $318,000 |
| 428 D Harbor Rd, Syosset | 02/06/2024 | ||
| 1550 Laurel Hollow Rd, Syosset | 4,610 | 02/27/2023 | |
| 580 Cold Spring Harbor Rd, Syosset | 4,718 | 04/08/2016 | $2,400,000 |
| 1 Springwood Path, Syosset | 6,253 | 05/22/2024 | |
| 38 Laurel Cove Rd, Oyster Bay | 3,488 | 11/16/2020 | $999,000 |
| 1682 Northern Blvd, Syosset | 2,108 | 03/14/2025 | $775,000 |
| 572 Cold Spring Rd, Syosset | 1,685 | 05/03/2002 | $1,200,000 |
| 60 Tiffany Rd, Oyster Bay | 8,631 | 04/07/2022 | $7,700,000 |
| 7 The Ln, Oyster Bay | 5,316 | 09/08/2022 | $1,500,000 |
| 30 Tiffany Rd, Oyster Bay | 8,111 | 11/20/2023 | |
| 105 Stillwell Ln, Syosset | 2,627 | 01/17/2002 | $750,000 |
| 24 Moores Hill Rd, Oyster Bay | 3,581 | 09/28/2021 | $1,365,000 |
| 7 Stillwell Rd, Syosset | 6,249 | 10/15/2020 | $1,027,594 |
| 32 Tiffany Rd, Oyster Bay | 4,932 | 11/30/2005 |