Most listings are in the $20's per square foot per year. The Sun City submarket is going through a a boost in rates. In the last 3 months, the median rate rose $26 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Sun City submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 13 listings have been made available, which means new listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,400 sqft. Most buildings in this area are close to 1 floors. Most buildings in this area were built in 1984 and are Class B.