Most listings are in the $20's per square foot per year. The American Fork submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 12 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 8% of the office spaces in the American Fork are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 5,000 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are around 2 floors. Most buildings in this market were built in 2003 and are Class B.