On average, listings lease in the $20's per square foot per year. The Allison Park region is going through a a boost in rates. In the last 3 months, the median rate rose $24 per sqft per year.
In the last 90 days, 4 listings have been made available, which means new listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 25% of the listings in the Allison Park are subleases, so you might be able to snag a great spot on a short term. 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 1,730 sqft. Most properties in this area are approximately 3 stories. Most buildings in this region were built in 1996 and are Class C.