The typical asking rate per listing is in the $10's per square foot per year. The Norfolk region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decrease in rent.
In the last 90 days, 72 listings have been posted online, so you'll want to check back regularly for new listings. About 4% of the available leases in the Norfolk 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 1,560 sqft. Most buildings in this market are around 3 stories. Most buildings in this market were built in 1983 and are Class A.