On average, listings lease in the $10's per square foot per year. The Kennebunk submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 8% decline in rent.
In the last 90 days, 9 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 44% of the available space in the Kennebunk are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 4,660 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are close to 2 floors. Most buildings in this area were built in 1890 and are Class A.