On average, listings lease in the $10's per square foot per year. The Spanish Fork region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 3 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. 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 4,000 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area were built in 1996 and are Class B.