Most listings are in the $20's per square foot per year. The La Plata County region is going through a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 13% increase in rent.
In the last 90 days, 5 listings have come on the market, which means leases most likley are leasing quickly. 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 1,850 sqft. Most properties in this region are close to 1 floors. Most buildings in this area were built in 1984 and are Class B.