Most listings are in the $20's per square foot per year. The Sun City region is experiencing a a boost in rates. In the last 3 months, the median rate increased $5 per sqft per year. That's a 21% 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 region.
In the last 90 days, 11 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,650 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 1985 and are Class B.