On average, listings lease in the $30's per square foot per year. The La Plata County region is going through a an increase in rates. In the last 3 months, the median rate rose $9 per sqft per year. That's a 29% rise in rent.
In the last 90 days, 5 listings have been made available, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 1,030 sqft. Most buildings in this area are close to 1 floors. Most buildings in this area were built in 1977 and are Class B.