The typical asking rate per listing is in the $20's per square foot per year. The Littleton submarket is going through a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 14% increase in rent.
Compared to the rest of the Denver Metro market, the Littleton submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have been made available, which means leases are probably going fast. 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.
Even though the median size is 2,610 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1983 and are Class B.