On average, listings lease in the $30's per square foot per year. The Surprise submarket is going through a a rise in rates. In the last 3 months, the median rate rose $7 per sqft per year. That's a 31% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Surprise region has higher rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 23 listings have come on the market, which means spaces 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,500 sqft. Most properties in this area are around 2 stories. Most buildings in this area were built in 2006 and are Class B.