The typical asking rate per listing is in the $10's per square foot per year. The Thornhill submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 6 listings have been made available, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,610 sqft. Most buildings in this area are close to 2 stories. Most buildings in this region were built in 1999 and are Class C.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Construction is the dominant industry in this region. Most of the residents of Thornhill work from home. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.