On average, listings lease in the $20's per square foot per year. The Hockessin region is going through a a rise in rates. In the last 3 months, the median rate went up $24 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 11 listings have been made available, which means leases might be 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.
The standard measurement for office space in this area is around 1,430 sqft. Most buildings in this area are around 1 stories.