On average, listings lease in the $30's per square foot per year. The Denver County submarket is going through a an increase in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 359 listings have been posted online, so you'll want to check back regularly for new listings. About 4% of the listings in the Denver County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,920 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are close to 4 stories. Most buildings in this region were built in 1974 and are Class B.