On average, listings lease in the $20's per square foot per year. The Oro Valley submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $7 per sqft per year. That's a 42% rise in rent.
Compared to the rest of the Tucson Metropolitan Area market, the Oro Valley region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 5 listings have been listed, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,200 sqft. Most properties in this area are around 2 floors. Most buildings in this area were built in 2007 and are Class A.