MPAC had no record of this property.
Searched by address: 17 Wellesley - 0
Searched by street name: Wellesley - 0 (there are hundreds of properties on Wellesley Street)
Searched by PIN: 0
Searched by Assessment Roll Number: 0
Searched by Postal Code: 0
Searched by Lot/Concession: 0
(screenshots of each search captured and stored)

... but if you shut the whole program down and re-start it, it can find it! bad software