Most listings are in the $10's per square foot per year. The Yavapai County submarket is going through a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 15 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 113% of the listings in the Yavapai County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,200 sqft. Most properties in this market are around 1 stories. Most buildings in this region were built in 2000 and are Class A.