The typical asking rate per listing is in the $20's per square foot per year. The Arizona region is going through a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 10% decrease in rent.
In the last 90 days, 1683 listings have been posted online, so you'll want to check back regularly for new listings. About 77% of the office spaces in the Arizona are subleases, so you might be able to find a shorter term or below market rent. 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 1,910 sqft. Most properties in this market are around 2 floors. Most buildings in this area were built in 1990 and are Class B.