The typical asking rate per listing is in the $10'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 $1 per sqft per year. That's a 4% rise in rent.
In the last 90 days, 38 listings have been made available, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 3% of the listings in the Columbia County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this market were built in 1999 and are Class B.