Most listings are in the $10's per square foot per year. The Sussex County submarket is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 8% rise in rent.
In the last 90 days, 30 listings have come on the market, which means listings might be going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,500 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this area were built in 2007 and are Class A.