On average, listings lease in the $20's per square foot per year. The Beavercreek submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 14 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 57% of the available space in the Beavercreek are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,650 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1989 and are Class B.