Most listings are in the $20's per square foot per year. The American Fork submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 27% rise in rent.
In the last 90 days, 17 listings have been posted online, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 6% of the listings in the American Fork are subleases, so you will probably have to consider a longer term 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 2,960 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 2003 and are Class B.