On average, listings lease in the $20's per square foot per year. The Boulder County submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $28 per sqft per year.
In the last 90 days, 317 listings have come on the market, so you'll want to check back regularly for new listings. About 45% of the available space in the Boulder County 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 1988 and are Class A.