GWL Realty Advisors was the seller
The city has the lowest office vacancy rate in Canada
Guidance is $260/sq ft
The property comprises office and industrial space
The valuation equates to a first-year cap rate of 7%
The properties are at Osbourne Junction
Initial talks began early last year
Slate Office REIT was previously in talks to sell the Markham complex for $55m
The property is vacant