Has exclusive charge and supervision of the design, construction, repair, maintenance and cleaning of all streets and bridges under the jurisdiction of Nassau County, It has charge and supervision of the design and construction of county buildings, parks and grounds, drains and drainage structures, and of sewers, sewage disposal plants, water system and other structures in the nature of Public Works as the county may construct. Call for detailed information.

-Road maintenance of over 150 centerline miles of pavement. Paving operations. Pothole repair. Snow and ice removal. Street cleaning-Refuse collection. Garbage. Trash. Recycling. White goods (large appliances) and metal. Yard waste collection-Street lighting-City-owned buildings and grounds maintenance, including vacant property maintenance-Fleet management of more than 300 vehicles-Traffic signals, Traffic signs and traffic markings maintenance

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.

Oversees construction and maintenance of buildings, parks, beaches, marinas, office complexes, historical properties, and other town-owned properties. Also maintains all street lights and town traffic signals.

Supervises the construction repair and maintenance of all roads, sidewalks, bridges, municipal parking areas, recharge basins and drainage structures and systems. Responsibilities include sand spreading, snow and street debris removal, maintenance of the safety of town roads by installing and maintaining traffic signals, street signs, pavement markings and street lights.

Responsible for maintaining more than 500 traffic signals across Brookhaven, including flashing signals, flashing beacons and driver feedback devices. To report a malfunctioning traffic signal or any other concerns, call 631-451-6480 during regular business hours (Mon-Fri 8am-3:30pm) or call 631-451-8696 after hours (24 hours a day/7 days a week).

A "one-stop shop" system to access to all City of Buffalo services, information, and non-emergency police services. Residents are able to call 311 or visit the website to report service needs, check on the status of previous service requests, or obtain information regarding city programs. The following city service categories are covered by the 311 call center and website: - Animals: Licensing, noise complaints, cruelty reports, rodent/pest control (outside of property only) - Forestry: Tree trimming, tree removal, tree planting - Graffiti & Sanitation: Graffiti, street and sidewalk cleaning, litter, garbage tote maintenance, missed garbage/recycling pick-ups - Housing/Inspections: Violation reporting, inspection requests, building codes, new/existing permit services - Parking: Parking violation reporting, ticket payments, information regarding city towed vehicles - Streets & Sidewalks: Pot holes, street plowing and salting, traffic signs, reporting of sidewalks not cleared of ice/snow or in need of inspection for repair/replacement - Utilities: Faulty street light reporting, sewer authority services, water authority services