| Primary address | 320 Carleton Avenue, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 207-1-3.42 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/30/2022 |
| Sale price | $21,500,000 |
| Arm's length | Register |
| Current property tax | $0 |
| Building sqft | 168,000 |
| Building class | Office Building (464) |
| Acreage | 11.05 |
| Year built | 2000 |
| Stories | 8 |
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:
This Office Building (464) located at 320 Carleton Avenue, Central Islip, NY 11722 has a total of 168,000 square feet and a current price per square foot of $127.
What is the year built & the current market value of 320 Carleton Avenue, Central Islip, NY 11722?320 Carleton Avenue, Central Islip, NY 11722 was built in 2000 and has a current tax assessor's market value of $29,309,859.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 05/25/2017 |
| Last updated | 05/08/2026 |
| Lot size | 11.05 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 6th Floor | General Office | Listing price not available | 3,118 | Marianne Dugan John A. Nielsen |
Create a free account to view the complete sales history for 320 Carleton Avenue, Central Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 09/30/2022 | $21,500,000 | Register | Register |
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 320 Carleton Avenue, Central Islip, NY 11722. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $1,203,463 |
| Current property tax | $0 |
| Market value | $29,309,859 |
| Assessed value | $2,081,000 |
Here's the assessment & property tax history for 320 Carleton Avenue, Central 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 |
|---|---|---|---|---|---|
| 2024-2025 | $29,309,859 | $2,081,000 | 53.334 | $1,109,881 | +9.98% |
| 2023-2024 | $28,585,164 | $2,081,000 | 48.495 | $1,009,181 | -1.75% |
| 2022-2023 | $25,132,850 | $2,081,000 | 49.361 | $1,027,202 | -3.76% |
| 2021-2022 | $22,424,569 | $2,081,000 | 51.288 | $1,067,303 | -2.08% |
| 2020-2021 | $21,453,608 | $2,081,000 | 52.378 | $1,089,986 | -1.04% |
The complete history of permits filed for 320 Carleton Avenue, Central 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.
| Total population | 39,033 |
| Median age | 34.9 |
| Average household income | $131,689 |
| Family households | 72.8% |
| Occupied housing units | 9,660 |
| Owner occupied units | 78.2% |
| Average number of people per household | 4.01 |
| Median year structure built | 1969 |
| Median value for units with a mortgage | $440,800 |
| Median value for units without a mortgage | $424,100 |
Create a free account to unlock extended information for 320 Carleton Avenue, Central 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 320 Carleton Avenue, Central Islip to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
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Here are the neighbors for 320 Carleton Avenue, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 70 Rockaway St, Islip Terrace | |||
| 58 Rockaway St, Islip Terrace | |||
| 588 Wilson Blvd, Central Islip | 10/31/2023 | $550,000 | |
| 14 Chestnut St, Central Islip | 06/08/2016 | $185,000 | |
| 25 Sea Cliff St, Islip Terrace | 05/12/2025 | $675,000 | |
| 884 Greenlawn Ave, Islip Terrace | 04/10/2022 | ||
| 3 Courthouse Dr, Central Islip | |||
| 355 S Technology Dr, Central Islip | 130,000 | 07/26/2021 | $1 |
| 325 S Technology Dr, Central Islip | 05/13/2019 | $1,850,460 | |
| 1 Hoppin Dr, Central Islip | 11/17/2021 | $1 | |
| 603 Wilson Blvd, Central Islip | |||
| 350 Eastview Dr, Central Islip | 143,756 | 08/09/2016 | $9,450,000 |
| 12 Chestnut St, Central Islip | 11/13/2014 | ||
| 52 Rockaway St, Islip Terrace | |||
| 789 Ferndale Blvd, Central Islip | 1,397 | 06/09/2023 | |
| 577 Wilson Blvd, Central Islip | 02/08/2012 |