Most listings are in the $20's per square foot per year. The Delaware region is going through a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 12% decrease in rent.
In the last 90 days, 211 listings have been listed, so you'll want to check back regularly for new listings. About 103% of the available space in the Delaware are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,400 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1987 and are Class A.