On average, listings lease in the $20's per square foot per year. The American Fork submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 16% decrease in rent.
In the last 90 days, 7 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 14% of the available leases in the American Fork 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.
Even though the median size is 5,000 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 2003 and are Class B.