Most listings are in the $20's per square foot per year. The Chandler submarket is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 6% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Chandler submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 88 listings have been listed, so you'll want to check back regularly for new listings. About 11% of the available leases in the Chandler 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,280 sqft. Most properties in this area are around 2 stories. Most buildings in this market were built in 2006 and are Class B.