Most listings are in the $20's per square foot per year. The Monroeville region is going through a an increase in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 32% increase in rent.
In the last 90 days, 18 listings have been listed, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 11% of the listings in the Monroeville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,890 sqft. Most buildings in this market are around 2 stories. Most buildings in this market were built in 1979 and are Class A.