The typical asking rate per listing is in the $30's per square foot per year. The Monticello region is going through a a boost in rates. In the last 3 months, the median rate rose $34 per sqft per year.
In the last 90 days, 17 listings have been made available, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About 18% of the listings in the Monticello 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 420 sqft. Most buildings in this region are close to 1 floors. Most buildings in this market were built in 2005 and are Class B.