On average, listings lease in the $20's per square foot per year. The Wilmington region is seeing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 3% decline in rent.
In the last 90 days, 48 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the office spaces in the Wilmington are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,730 sqft. Most properties in this market are around 1 stories. Most buildings in this area were built in 1995 and are Class B.