Most listings are in the $10's per square foot per year. The Denver International Airport submarket is going through a a boost in rates. In the last 3 months, the median rate went up $17 per sqft per year.
In the last 90 days, 3 listings have been posted online, which means spaces are probably 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 1,340 sqft. Most buildings in this market were built in 2004 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Wholesale trade is the dominant industry in this market. Commute by car is the most popular way to get to work amongst Denver International Airport occupants. Commuting around an hour a day is the norm for those who opt to reside in this part of town.