485 Underhill Boulevard, Syosset, NY 11791 Property Information
485 Underhill Boulevard, Syosset, NY 11791 Property Information
- General
- Owner
- Documents
- Tax
- Permits
- Neighborhood
Address
| Primary address | 485 Underhill Boulevard, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | None (unincorporated town) |
| Parcel ID | 15-169-17 |
Sales & Tax Overview for 485 Underhill Boulevard, Syosset
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/29/2006 |
| Sale price | $8,100,000 |
| Arm's length | Register |
| Current property tax | $277,843 |
Lot & Building Information for 485 Underhill Boulevard, Syosset
| Building sqft | 35,889 |
| Building class | Office Building (464.14) |
| Land | Primary site |
| Topography | Level |
| Acreage | 1.98 |
| Buildings on lot | 1 |
| Year built | 1985 |
| Stories | 1 |
Zoning, Use & Area Overview
| Zoning district | Register (See more on map) |
| Capitalization rate | Register |
| Street | Paved |
| Traffic | Medium |
| Area type | Commercial/Industrial park |
| School district | Locust Grove |
| Conversion feasibility index |
|
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Commercial Buildings
| Square footage | Structure | Grade | Year built | Stories |
|---|---|---|---|---|
| 35,889 | Office bldg lr 1-3s | B | 1985 | 1 |
Floor Distribution
| Floors | Square footage | Use | Construction | Condition | Exterior wall | Heating | Air conditioning | Plumbing |
|---|---|---|---|---|---|---|---|---|
| B1-B1 | 11,896 | Parking garage | Register | Register | Register | Register | Register | |
| 01-01 | 11,896 | Offices | Register | Register | Register | Register | Central | Register |
| 02-02 | 11,896 | Offices | Register | Register | Register | Register | Central | Register |
| 03-03 | 12,097 | Offices | Register | Register | Register | Register | Central | Register |
Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.
Income and Expenses
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.
Other Property Data for 485 Underhill Boulevard, Syosset
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
- • Improvements for 485 Underhill Boulevard, Syosset , including their type, square footage, grade and when they were built.
- • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Sign up
About 485 Underhill Boulevard, Syosset
This Office Building (464.14) located at 485 Underhill Boulevard, Syosset, NY 11791 has a total of 35,889 square feet.
What is the year built & the current market value of 485 Underhill Boulevard, Syosset, NY 11791?485 Underhill Boulevard, Syosset, NY 11791 was built in 1985 and has a current tax assessor's market value of $4,318,400.
Ownership Information
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Past Sales & Property History for 485 Underhill Boulevard, Syosset
Create a free account to view the complete sales history for 485 Underhill Boulevard, Syosset, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 06/29/2006 | $8,100,000 | Register | Register |
Title Documents for 485 Underhill Boulevard, Syosset
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.
Sign up
R: Recorded date
D: Document date
Property Taxes for 485 Underhill Boulevard, Syosset
Access detailed property tax data for 485 Underhill Boulevard, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Base tax | $294,946 |
| Current property tax | $277,844 |
| Tax class | Register |
| Market value | $4,318,400 |
| Assessed value | $43,184 |
| Transitional assessed value | Register |
Assessment History for 485 Underhill Boulevard, Syosset
Here's the assessment & property tax history for 485 Underhill Boulevard, 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 | $4,318,400 | $43,184 | 682.999 | $294,946 | +10.40% |
| 2025 | $4,005,500 | $40,055 | 666.972 | $267,156 | -5.13% |
| 2024 | $4,673,000 | $43,907 | 644.549 | $281,591 | +0.97% |
| 2023 | $4,673,000 | $46,730 | 686.201 | $278,879 | -16.80% |
| 2022 | $4,673,000 | $46,730 | 717.269 | $335,180 | -28.72% |
Permits for 485 Underhill Boulevard, Syosset
The complete history of permits filed for 485 Underhill Boulevard, 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.
Data not available for this property.
Demographics by Zip Code
| 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 |
Risk
Create a free account to unlock extended information for 485 Underhill Boulevard, 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) |
Transportation
Access the detailed traffic volume map for 485 Underhill Boulevard, 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 |
Neighbors for 485 Underhill Boulevard, Syosset
Here are the neighbors for 485 Underhill Boulevard, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 8 Dorothy St, Syosset | 1,852 | 07/31/2008 | $619,250 |
| 10 Jean Pl, Syosset | 1,593 | 09/15/2020 | $770,000 |
| 140 Eileen Way, Syosset | 42,548 | 10/14/2015 | |
| 345 Underhill Blvd, Syosset | 274,779 | 09/27/2006 | $31,900,000 |
| 2 Dorothy St, Syosset | 2,203 | 09/01/2017 | $765,000 |
| 425 Underhill Blvd, Syosset | 80,100 | 02/19/2019 | $8,600,000 |
| 325 Underhill Blvd, Syosset | 41,800 | 06/12/2008 | $5,973,000 |
| 15 Lenore St, Syosset | 2,075 | 02/26/2010 | $627,500 |
| 12 Jean Pl, Syosset | 2,228 | 01/11/2021 | $869,000 |
| 26 Cedar St, Syosset | 1,688 | 08/24/2005 | $599,000 |
| 575 Underhill Blvd, Syosset | 228,894 | 05/09/2018 | |
| 6 Dorothy St, Syosset | 2,115 | ||
| 14 Jean Pl, Syosset | 2,115 | 12/05/2024 | $850,000 |
| 475 Underhill Blvd, Syosset | 76,280 | 03/20/2026 | $15,675,000 |
| 313 Underhill Blvd, Syosset | 58,400 | 09/27/2006 | $17,694,245 |
| 225 Underhill Blvd, Syosset | 103,136 | ||
| 24 Cedar St, Syosset | 1,688 | 06/13/2003 | $525,000 |
| 4 Dorothy St, Syosset | 2,596 | 09/05/2019 | $695,000 |
| 28 Cedar St, Syosset | 2,923 | 03/01/2007 | $463,500 |
| 2 Lesley Dr, Syosset | 2,090 | 07/01/2003 | $569,000 |