Ontario Landlord Guides

Plain-English answers on the things that cost landlords money — each paired with a free calculator.

Ontario rent increase guide (2026 & 2027)

How much rent can go up, the 90-day + 12-month rules, N1 vs N2, AGIs.

How to serve an N1 or N4

Service methods, deemed-service timing, the N4 7-day period, certificates of service.

Is my unit rent-controlled?

The November 15, 2018 test — N1 vs N2, and who carries the burden of proof.

Last month's rent deposit

What's legal to collect, and the interest you owe each year.

Prefer to just run the numbers? Free Ontario landlord tools →