Most listings are in the $20's per square foot per year. The Casas Adobes region is going through a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 15% decline in rent.
Compared to the rest of the Tucson Metropolitan Area market, the Casas Adobes region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 8 listings have been listed, which means leases might be leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the listings in the Casas Adobes 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 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 2,310 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 2002 and are Class B.