The typical asking rate per listing is in the $20's per square foot per year. The Tucson region is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
Compared to the rest of the Tucson Metropolitan Area market, the Tucson submarket has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 111 listings have been listed, so you'll want to check back regularly for new listings. About 125% of the listings in the Tucson 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,500 sqft. Most properties in this market are approximately 2 floors. Most buildings in this market were built in 1983 and are Class B.