On average, listings lease in the $20's per square foot per year. The Sun City West region is experiencing a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 7% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Sun City West submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 17% of the office spaces 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 2001 and are Class A.