The typical asking rate per listing is in the $20's per square foot per year. The Wilmington region is going through a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 10% decrease in rent.
In the last 90 days, 67 listings have been made available, so you'll want to check back regularly for new listings. About 45% of the listings in the Wilmington are subleases, so you might be able to snag a great spot on a short term. 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 6,050 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are around 3 stories. Most buildings in this area were built in 1971 and are Class A.