Ontario Park Open House 09 May 2026 The public is welcome to attend an open house for Ontario Park, 5658 Ontario St., from 1 to 3 p.m. on Saturday, May 9.This open house is an opportunity to explore the property and provide input on what could be included in the park. Off-street parking is available. Ontario Park, 5658 Ontario St., 50014 Tagged as: , Informational, Public Information Meetings, Parks and Recreation