The typical asking rate per listing is in the $20's per square foot per year. The Maricopa County submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 1683 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Maricopa County are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,340 sqft. Most properties in this region are around 2 stories. Most buildings in this market were built in 1993 and are Class B.