Most listings are in the $30's per square foot per year. The Salt Lake City region is experiencing a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 11% increase in rent.
Compared to the rest of the Salt Lake City market, the Salt Lake City submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 162 listings have come on the market, so you'll want to check back regularly for new listings. About 75% of the office spaces in the Salt Lake City 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 posted, 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 buildings in this market are around 5 stories. Most buildings in this region were built in 1978 and are Class B.