On average, listings lease in the $10's per square foot per year. The Sun City West submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $17 per sqft per year.
Compared to the rest of the Phoenix Metropolitan Area market, the Sun City West region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 400% of the available leases in the Sun City West are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,070 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 2001 and are Class B.