Most listings are in the $10's per square foot per year. The West Valley City region is going through a an increase in rates. In the last 3 months, the median rate went up $19 per sqft per year.
In the last 90 days, 9 listings have come on the market, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 56% of the office spaces in the West Valley City are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 3,240 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are around 1 floors. Most buildings in this area were built in 1995 and are Class B.