The typical asking rate per listing is in the $20's per square foot per year. The Boulder County region is experiencing a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 8% decline in rent.
In the last 90 days, 317 listings have come on the market, so you'll want to check back regularly for new listings. About 8% of the listings in the Boulder County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,860 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1987 and are Class A.