H Lee Dennison Building, Suffolk County, NY

The Building’s History

In 1973, the H Lee Dennison Building was dedicated and it became the first County executive building in Suffolk. The $16 million building received the name of H Lee Dennison. However, at the time there were many jokes about the building as many thought that it would eventually sink. The reason for this belief, the building was constructed over swampland.

Even after four years, this Hauppauge structure was still mired with a belief that eventually, it would sink. In 2013, the building was sold for $70 million. In September 2013, the building was appraised for almost 1/3 of the selling value. The building was appraised by two appraisal firms between $22 – $ 24million dollars.

The $70 million payment resulted from special state legislation that permitted the Judicial Facilities Agency in Suffolk to purchase the building from the county. The money was raised for the purchase by selling bonds to interested investors. Currently, the Judicial Agency still occupies the H Lee Dennison Building. They plan to have complete ownership by 2033.

Some of the offices in the building include the Youth Bureau, Office for the Aging, People with Disabilities, Budget and Management, Suffolk County Substance Abuse Resource Center, Veterans Services Agency, Intergovernmental Relations, Women’s Services, Suffolk County Leaders in Training Program, and Minority Affairs.

Location and Directions

The address of the H. Lee Dennison Building in Suffolk  County, New York is 100 Veterans Memorial Highway, Hauppauge, NY 11788. They have a PO Box 6100 for receiving letters and parcels. You can get to the building by taking the Long Island Expressway (I-495) until you reach exit 57. Turn right off the exit ramp and continue north on Veterans Memorial Highway until you merge onto Route 454. Turn left at the 2nd streetlight, right into the driveway, and the building will be on your left-hand side. Enter the building at the lower entrance on the left and use the elevator to whatever floor you desire.


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Other government offices in Suffolk County, NY:

Arthur M. Cromarty Criminal Court Complex

Cohalan Court Complex