On average, listings lease in the $20's per square foot per year. The Queen Creek region is going through a an increase in rates. In the last 3 months, the median rate increased $26 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Queen Creek submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 7 listings have come on the market, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,680 sqft. Most buildings in this region were built in 2007 and are Class C.