The typical asking rate per listing is in the $30's per square foot per year. The Columbia County submarket is going through a an increase in rates. In the last 3 months, the median rate went up $16 per sqft per year. That's a 104% increase in rent.
In the last 90 days, 8 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,100 sqft. Most buildings in this region were built in 1997 and are Class A.