| Primary address | 135 Engineers Road, Hauppauge |
| Zip code | 11788 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 185-1-65.6 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/29/1996 |
| Sale price | $1,425,000 |
| Arm's length | Register |
| Current property tax | $248,390 |
| Building sqft | 55,000 |
| Building class | Office Building (464) |
| Acreage | 3.61 |
| Year built | 2005 |
| Stories | 2 |
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 135 Engineers Road, Hauppauge, NY 11788 has a total of 55,000 square feet and a current price per square foot of $25.
What is the year built & the current market value of 135 Engineers Road, Hauppauge, NY 11788?135 Engineers Road, Hauppauge, NY 11788 was built in 2005 and has a current tax assessor's market value of $10,639,535.
How many commercial spaces does this building have?This building has 23 commercial spaces available for lease. There are 3 active listings at this address.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 05/19/2017 |
| Last updated | 02/25/2026 |
| Lot size | 4.65 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 1st Floor | R&D - Office | Listing price not available | 2,310 | Dan Brewer Tod Buckvar |
| 2nd Floor | R&D - Office | Listing price not available | 22,149 | Dan Brewer Tod Buckvar |
| Listing type | For Lease |
|---|---|
| Listing date | 01/06/2026 |
| Last updated | 01/07/2026 |
| Lot size | 4.65 Acre |
Immediate turnkey office availability at 135 Engineers Road within the Long Island Innovation Park. This modern 55,000 SF building offers a move-in ready 20,000 SF second floor—divisible to 9,000 SF or 12,900 SF—ideal for medical, pharmaceutical, or professional teams. At $24/SF/YR (negotiable), the space includes private offices and conference rooms, supported by 385 parking spaces, high ceilings, and prominent signage opportunities. Centrally located in Suffolk County, the property provides rapid access to major highways, LIRR stations, and MacArthur Airport. Message us today to schedule a tour.
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 2nd Floor | Office | $24/Sqft/Year | 20,000 | Daniel Brewer (631) 813-8991 |
Create a free account to view the complete sales history for 135 Engineers Road, Hauppauge, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 05/29/1996 | $1,425,000 | 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 135 Engineers Road, Hauppauge, NY 11788. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $229,138 |
| Current property tax | $248,390 |
| Market value | $10,639,535 |
| Assessed value | $91,500 |
Here's the assessment & property tax history for 135 Engineers Road, Hauppauge, 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 | $10,639,535 | $91,500 | 2330.272 | $213,220 | +16.44% |
| 2023-2024 | $10,517,241 | $91,500 | 2001.196 | $183,109 | +1.28% |
| 2022-2023 | $13,071,429 | $91,500 | 1975.954 | $180,800 | -13.51% |
| 2021-2022 | $8,169,643 | $91,500 | 2284.624 | $209,043 | +32.65% |
| 2020-2021 | $7,956,522 | $91,500 | 1722.291 | $157,590 | -25.92% |
The complete history of permits filed for 135 Engineers Road, Hauppauge, 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.
Access a detailed real estate market overview of Smithtown so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Smithtown and compare it to other neighborhoods in Suffolk County.
| Total population | 17,374 |
| Median age | 42.7 |
| Average household income | $182,104 |
| Family households | 78.8% |
| Occupied housing units | 5,613 |
| Owner occupied units | 83.2% |
| Average number of people per household | 3.07 |
| Median year structure built | 1969 |
| Median value for units with a mortgage | $656,200 |
| Median value for units without a mortgage | $649,800 |
Create a free account to unlock extended information for 135 Engineers Road, Hauppauge, 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 135 Engineers Road, Hauppauge 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 135 Engineers Road, Hauppauge.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 75 Oser Ave, Hauppauge | 34,000 | 02/18/2011 | $2,465,000 |
| 15 Oser Ave, Hauppauge | 29,000 | 09/27/2019 | $1,750,000 |
| 63 Oser Ave, Hauppauge | 23,000 | 11/08/2011 | |
| 95 Oser Ave, Hauppauge | 17,000 | 08/02/2017 | $2,030,000 |
| 352 Vanderbilt Motor Pkwy, Hauppauge | 07/06/2017 | $3,375,000 | |
| 601 Old Willets Path, Hauppauge | 25,100 | 10/04/2007 | $3,451,500 |
| 595 Old Willets Path, Hauppauge | 186,324 | 11/10/2003 | $795,351 |
| 145 Plant Ave, Hauppauge | 20,300 | 05/25/2000 | $1,300,000 |
| 73 Oser Ave, Hauppauge | 21,000 | 11/10/2003 | $1,041,739 |
| 350 Kennedy Dr, Hauppauge | 47,500 | 08/06/2020 | $7,500,000 |
| 250 Kennedy Dr, Hauppauge | 128,000 | 11/17/2004 | |
| 45 Oser Ave, Hauppauge | 132,515 | 01/11/2022 | $21,000,000 |
| 65 Oser Ave, Hauppauge | 21,000 | 11/08/2011 | |
| 631 Old Willets Path, Hauppauge | 25,000 | 11/10/2003 | $1,123,140 |
| 155 Plant Ave, Hauppauge | 20,000 | 01/04/2019 | $3,500,000 |
| 44 Pinewood Dr, Commack | 2,070 | 04/14/2015 | $465,000 |
| 300 Kennedy Dr, Hauppauge | 50,000 | 02/25/2010 | $5,700,000 |
| 611 Old Willets Path, Hauppauge | 186,324 | 04/23/2008 | $1 |
| 356 Vanderbilt Motor Pkwy, Hauppauge | 8,300 | ||
| 350 Marcus Blvd, Hauppauge | 72,000 | 01/28/2019 | $7,200,000 |