On average, listings lease in the $20's per square foot per year. The American Fork submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $5 per sqft per year. That's a 27% increase in rent.
In the last 90 days, 17 listings have been listed, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the available leases in the American Fork are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, 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 properties in this market are close to 2 stories. Most buildings in this market were built in 2003 and are Class B.