Most listings are in the $10's per square foot per year. The Glen Allen submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $15 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 6 listings have been listed, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About 17% of the listings in the Glen Allen 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 available, 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 properties in this market are close to 1 stories. Most buildings in this region were built in 2001 and are Class A.