Most listings are in the $20's per square foot per year. The Utah region is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 670 listings have been posted online, so you'll want to check back regularly for new listings. About 8% of the listings in the Utah are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,490 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1996 and are Class B.