On average, listings lease in the $10's per square foot per year. The South Burlington submarket is going through a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 20% decline in rent.
In the last 90 days, 9 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,780 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1975 and are Class A.