The typical asking rate per listing is in the $10's per square foot per year. The Millcreek submarket is going through a a boost in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 13% rise in rent.
In the last 90 days, 19 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 5% of the listings in the Millcreek are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,050 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this area were built in 1985 and are Class B.