On average, listings lease in the $10's per square foot per year. The Sun City West region is experiencing a decline in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 23% decline in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Sun City West region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 1 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 830 sqft. Most properties in this area are close to 1 floors. Most buildings in this area were built in 2001 and are Class A.