Most listings are in the $10's per square foot per year. The Douglas County submarket is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 4% decline in rent.
In the last 90 days, 23 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 4% of the listings in the Douglas County are subleases, so you will probably have to focus your search on direct office leases. 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 1,770 sqft. Most properties in this market are approximately 1 floors. Most buildings in this region were built in 1999 and are Class B.