The typical asking rate per listing is in the $10's per square foot per year. The Allen County region is going through a a boost in rates. In the last 3 months, the median rate increased $17 per sqft per year.
In the last 90 days, 99 listings have come on the market, so you'll want to check back regularly for new listings. About 85% of the available space in the Allen County 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 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 2,380 sqft. Most buildings in this area are around 1 floors. Most buildings in this region were built in 1977 and are Class B.