The typical asking rate per listing is in the $20's per square foot per year. The Boulder region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 239 listings have been listed, so you'll want to check back regularly for new listings. About 7% of the available leases in the Boulder 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 2,860 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1984 and are Class A.