On average, listings lease in the $20's per square foot per year. The Salt Lake County region is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 5% increase in rent.
In the last 90 days, 398 listings have come on the market, so you'll want to check back regularly for new listings. About 78% of the available leases in the Salt Lake County 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,260 sqft. Most properties in this region are around 3 floors. Most buildings in this market were built in 1987 and are Class B.