Most listings are in the $20's per square foot per year. The Green Valley region is seeing a a rise in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 10% increase in rent.
Compared to the rest of the Tucson Metropolitan Area market, the Green Valley region has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 6 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 930 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1986 and are Class B.