The typical asking rate per listing is in the $20's per square foot per year. The Wilmington region is experiencing a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 11% increase in rent.
In the last 90 days, 48 listings have been made available, so you'll want to check back regularly for new listings. 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 2,340 sqft. Most buildings in this area are close to 1 floors. Most buildings in this region were built in 1995 and are Class B.