The typical asking rate per listing is in the $10's per square foot per year. The Sedona region is seeing a a boost in rates. In the last 3 months, the median rate went up $18 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 6 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 850 sqft. Most buildings in this area are close to 2 stories. Most buildings in this region were built in 2004 and are Class B.