Most listings are in the $10's per square foot per year. The Pinal County region is experiencing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 11 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 55% of the available leases in the Pinal 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 2,280 sqft. Most buildings in this market are close to 1 stories. Most buildings in this region were built in 2003 and are Class B.