The typical asking rate per listing is in the $20's per square foot per year. The Columbine submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $23 per sqft per year.
Compared to the rest of the Denver Metro market, the Columbine submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 4 listings have come on the market, which means office 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 1985.