Compared to the rest of the Tucson Metropolitan Area market, the Green Valley region has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 4 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 25% of the available space in the Green Valley 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 1,870 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1986 and are Class B.