Most listings are in the $30's per square foot per year. The South Salt Lake submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $34 per sqft per year.
In the last 90 days, 5 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 20% of the listings in the South Salt Lake 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 available, so finding a space for a small business might be tough.
Even though the median size is 6,250 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1976 and are Class C.