On average, listings lease in the $10's per square foot per year. The Centerville region is going through a a boost in rates. In the last 3 months, the median rate rose $17 per sqft per year.
In the last 90 days, 1 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 200% of the listings in the Centerville 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.
The standard measurement for office space in this area is around 1,780 sqft. Most buildings in this market are close to 1 stories. Most buildings in this region were built in 1965 and are Class B.