Most listings are in the $10's per square foot per year. The South Salt Lake submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 4 listings have been posted online, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 100% of the available leases in the South Salt Lake are subleases, so you might be able to snag a great spot on a short term. 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 1,900 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 1975 and are Class C.