The typical asking rate per listing is in the $20's per square foot per year. The Arizona submarket is seeing a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 5% increase 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 1% of the office spaces in the Arizona are subleases, so you will probably have to consider a longer term lease. 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 1,800 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1990 and are Class B.