May MLS® Home Sales in Ottawa Smooth and Cautious The number of homes sold through the MLS® System of the Ottawa Real Estate Board (OREB) totaled 1,545 units in May 2024. This was a decrease of 9.2% from May 2023. Home sales were 3.7% below the five-year average and 13.2% below the 10-year average for the month of May. On a year-to-date basis, home sales totaled 5,673 units over the firs ...