The typical asking rate per listing is 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 rose $1 per sqft per year. That's a 2% increase in rent.
Compared to the rest of the Tucson Metropolitan Area market, the Casas Adobes region has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 16 listings have been posted online, which means listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 6% of the available leases in the Casas Adobes 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 2,110 sqft. Most buildings in this region are close to 2 stories. Most buildings in this area were built in 2002 and are Class B.