Property tax & assessment — St. Catharines, Ontario

What is the tax rate? When are taxes due? How is property assessed?

In the City of St. Catharines, Ontario, property tax & assessment rules are set by Municipal Accommodation Tax By-law No. 2023-014, verified 2026-10-25. Due dates: at the time of purchasing accommodation; on or before the last day of every month; within thirty (30) days from the date of mailing of the notice.

Municipal Accommodation Tax By-law No. 2023-014 adopted bylaw
due dates at the time of purchasing accommodation; on or before the last day of every month; within thirty (30) days from the date of mailing of the notice s. 3; s. 7; s. 20
penalty interest a percentage charge of 1.25% of the amount of the MAT due and unpaid be imposed as a penalty for the non-payment of taxes on the first day of default, and for each day thereafter s. 11
scout note

Imposes a mandatory Municipal Accommodation Tax (phased to 4% per night) on transient accommodations of 30 days or less (hotels, motels, B&Bs, short-term rentals), effective Jan 1 2023.

Tax Payments and Rates (2026 final bill instalments)

2026 final tax bills mailed by June 5, 2026; instalments due June 30 and Sept 29, 2026; penalty applied on first day of default and each following month. Levies City, Niagara Region and education.

Machine-readable: property-tax.json · Official website: http://www.stcatharines.ca · Last verified 2026-10-25 · Property tax & assessment across Ontario · Property tax & assessment in other municipalities