Most listings are in the $20's per square foot per year. The Douglas County region is going through a an increase in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 18% increase in rent.
In the last 90 days, 39 listings have been posted online, which means new availabilities most likley are 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 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 2,245 sqft. Most properties in this area are approximately 2 stories. Most buildings in this area were built in 1992 and are Class B.