On average, listings lease in the $10's per square foot per year. The Saline submarket is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 4% decrease in rent.
In the last 90 days, 3 listings have been listed, which means new availabilities most likley are 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 970 sqft. Most buildings in this area are around 1 floors. Most buildings in this area were built in 1988 and are Class B.