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Ontario's bandstand gazebo with grass and trees around it

Public Works

Monday–Thursday:
7:30 AM–5:30 PM

Friday:
7:30 AM–4:30 PM

Vision Statement

We are a Public Works Agency that strives to keep Ontario safe, clean and fun in the most efficient manner possible while delivering exceptional customer service.

two hands wearing green gloves holding chips of mulch over a large potted plant

2026 Mulch Giveaways

Ontario's Public Works Department will hold Mulch Giveaways on two weekends in 2026. The first scheduled event weekend will be held on March 13 at John Galvin Park (1072 N. Grove Avenue) from 7 AM - 1 PM then on March 14 at Ontario City Yard (1440 S. Cucamonga Avenue) from 7 AM - 1 PM. The second event weekend will be held on September 11 at John Galvin Park (1072 N. Grove Avenue) and on September 12 at the Ontario City Yard (1440 S. Cucamonga Avenue) from 7 AM - 1 PM. We'll see you there!