Most listings are in the $20's per square foot per year. The Louisa County submarket is going through a a boost in rates. In the last 3 months, the median rate went up $25 per sqft per year.
In the last 90 days, 0 listings have been made available, which means new listings might be going fast. You'll want to be prepared to make an offer immediately. About Inf% of the available space in the Louisa County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 260 sqft. Most buildings in this area were built in 1965 and are Class A.