On average, listings lease in the $10's per square foot per year. The Westmoreland County submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 14% decline in rent.
In the last 90 days, 12 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 780 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this region were built in 1990 and are Class B.