Ontario residents will see several rule changes and important deadlines at the end of April and throughout May, affecting everything from outdoor alcohol use and holiday shopping to vacant home taxes and income tax filing.
One of the biggest changes begins April 30, when the province will allow adults aged 19 and older to bring their own alcohol to certain public outdoor events in approved areas. The new rules apply to eligible events such as farmers’ markets, movie screenings, art exhibits and neighbourhood festivals.
Event organizers must still receive permits from the Alcohol and Gaming Commission of Ontario, and municipalities must authorize public alcohol use through local bylaws if such rules are not already in place. The province says the change is designed to support tourism, hospitality and community events during the spring and summer season.
According to Stan Cho, the policy is intended to give organizations more flexibility while encouraging safe and responsible social gatherings.
Another major issue for homeowners is the vacant home tax deadline in some Ontario cities. In Toronto, property owners must declare their home’s 2025 occupancy status by April 30, 2026. Even owners living in their principal residence must file the declaration annually. If no declaration is submitted, the city may assume the property was vacant and issue a tax bill.
In Hamilton, the vacant unit tax declaration deadline has been extended to May 15. Homeowners who fail to file may face a tax equal to one per cent of the property’s assessed value.
Ontario is also moving to allow retailers to decide whether to open on Victoria Day, which falls on May 18 this year. If implemented in time, stores choosing to open would be able to operate legally while employees working that day would receive premium holiday pay in addition to regular public holiday entitlements.
The province says the goal is to create more consistency across municipalities while giving consumers greater convenience and workers the chance to earn extra income. Similar changes are expected for Family Day starting in 2027.
Meanwhile, April 30 remains one of the most important financial deadlines of the year as it is the standard filing deadline for 2025 personal income taxes with the Canada Revenue Agency. Anyone owing taxes after that date may face interest and penalties beginning in May.
Self-employed Canadians and those whose spouse or common-law partner is self-employed have until June 15 to file returns, although any taxes owed are still due by April 30.
With these changes arriving together, Ontario residents are being encouraged to review deadlines, check municipal requirements and plan ahead to avoid penalties while taking advantage of new opportunities this spring.

