The typical asking rate per listing is in the $20's per square foot per year. The Delaware submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $8 per sqft per year. That's a 55% increase in rent.
In the last 90 days, 2 listings have been posted online, which means leases might be going fast. You'll want to be prepared to make an offer immediately. About 250% of the listings 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,390 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1964 and are Class C.