The typical asking rate per listing is in the $10's per square foot per year. The Sussex County submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 2% increase in rent.
In the last 90 days, 7 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 443% of the available leases in the Sussex County 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.
The standard measurement for office space in this area is around 1,500 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 2006 and are Class A.