Most listings are in the $20's per square foot per year. The Boulder submarket is seeing a decline in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 18% decrease in rent.
In the last 90 days, 86 listings have come on the market, so you'll want to check back regularly for new listings. About 16% of the available leases in the Boulder are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,750 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1984 and are Class A.