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Purchasing Office

The Suffolk County Purchasing Office oversees the County’s procurement which facilitates each County department’s mission while protecting the interests of the County and its taxpayers and promoting fairness in contracting with the business community.

The Purchasing Office, which operates under the NYS General Municipal Law 103 and 104B, is responsible for the purchase of all equipment, supplies and services required by all County departments and agencies with the following exceptions:


  1. the requirements of the Board of Elections.
  2. the highway and construction related requirements of the Suffolk County Department of Public Works.

The Purchasing Office also has the authority to sell surplus equipment.

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901