On average, listings lease in the $10's per square foot per year. The Fairborn submarket is going through a decline in rates. In the last 3 months, the median rate fell $8 per sqft per year. That's a 33% decrease in rent.
In the last 90 days, 1 listings have been listed, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available leases in the Fairborn are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,400 sqft. Most properties in this market are close to 3 floors. Most buildings in this area were built in 1988 and are Class B.