Most listings are in the $10's per square foot per year. The Kent County submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 0 listings have been listed, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the listings in the Kent County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most properties in this area are approximately 2 floors. Most buildings in this area were built in 1951.