On average, listings lease in the $20's per square foot per year. The Dove Valley region is seeing a a rise in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% rise in rent.
Compared to the rest of the Denver Metro market, the Dove Valley submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 6 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 2,150 sqft. Most buildings in this market were built in 1990 and are Class B.