The typical asking rate per listing is in the $10's per square foot per year. The Westmoreland County region is seeing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 17 listings have come on the market, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the office spaces in the Westmoreland County are subleases, so you will probably have to consider a longer term 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 2,000 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1990 and are Class B.