On average, listings lease in the $10's per square foot per year. The State College region is experiencing a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 9% decrease in rent.
In the last 90 days, 0 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the available leases in the State College 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 990 sqft. Most buildings in this market are around 3 floors.