Most listings are in the $10's per square foot per year. The Sun City West submarket is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decrease in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Sun City West region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 1 listings have been made available, which means office spaces are probably 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 920 sqft. Most properties in this market are close to 1 stories. Most buildings in this area were built in 2001 and are Class A.