On average, listings lease in the $20's per square foot per year. The Park City region is experiencing a an increase in rates. In the last 3 months, the median rate increased $21 per sqft per year.
In the last 90 days, 8 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 760 sqft. Most properties in this region are around 2 stories. Most buildings in this market were built in 1994 and are Class B.