On average, listings lease in the $10's per square foot per year. The Chesapeake 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 4% increase in rent.
In the last 90 days, 56 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the listings in the Chesapeake are subleases, so you will probably have to consider a longer term lease. 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 2,250 sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 1990 and are Class B.