On average, listings lease in the $20's per square foot per year. The Casas Adobes region is going through a a boost in rates. In the last 3 months, the median rate went up $24 per sqft per year.
Compared to the rest of the Tucson Metropolitan Area market, the Casas Adobes submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 8 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 88% of the office spaces in the Casas Adobes 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,310 sqft. Most properties in this region are approximately 2 stories. Most buildings in this region were built in 2002 and are Class B.