The typical asking rate per listing is in the $20's per square foot per year. The Pima County region is seeing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 7% decline in rent.
In the last 90 days, 232 listings have been posted online, so you'll want to check back regularly for new listings. About 5% of the available leases in the Pima County are subleases, so you will probably have to focus your search on direct office leases. 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 1,600 sqft. Most properties in this area are close to 2 stories. Most buildings in this market were built in 1985 and are Class B.