The Department of Public Works constructs, maintains and operates county properties and designs, constructs and maintains county roads, sewerage systems, buildings and other facilities, such as waterways, bridges, docks and marinas. In addition, the department is responsible for the operation of the Suffolk County Transit System as well as controlling mosquitoes that transmit disease and impact the enjoyment of outdoor activities.

Bids, Contracts and Specifications
• BID, RFP & RFQ Announcement System
• Construction Bids
• Contract List
Construction Contract Items Specs & Standard Sheets:
News & Events
CR 3 Wellwood Road Hearing:   Case 38625
Pay My Sewer Bill
Online Forms
Divisions of the Department of Public Works
Administrative Support, Personnel & Payroll 852-4211
Building Design & Construction 852-4690
Buildings Operations, Maintenance & Custodial 852-4095
Facilities Engineering 852-4007
Finance 852-4044
Departmental Purchasing 852-4215
Highways, Structures, Waterways Engineering 852-4002
Highways, Grounds, Bridge & Fleet Maintenance    852-4070
Sanitation / Sewerage Facilities 852-4204
Transportation 852-4880
Vector (mosquito) Control 852-4270
Suffolk County Bus Operations
Important Mercury Information
Report a Broken Utility Pole
2013-2016 Suffolk County Local Design Services Agreement List
Frequently Asked Questions