Most listings are in the $10's per square foot per year. The Walled Lake submarket is going through a an increase in rates. In the last 3 months, the median rate rose $18 per sqft per year.
Compared to the rest of the Metro Detroit market, the Walled Lake region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 3 listings have been listed, which means new listings might be going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,560 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this market were built in 1964 and are Class B.