Most listings are in the $20's per square foot per year. The Murrysville submarket is going through a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 14% rise in rent.
In the last 90 days, 0 listings have been posted online, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the office spaces in the Murrysville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 300 sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 1983 and are Class B.