Most listings are in the $20's per square foot per year. The Windsor region is going through a an increase in rates. In the last 3 months, the median rate rose $8 per sqft per year. That's a 43% increase in rent.
In the last 90 days, 1 listings have been posted online, which means leases most likley are 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 posted, so finding a space for a small business might be tough.
Even though the median size is 3,340 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this market were built in 2001 and are Class B.