Most listings are in the $10's per square foot per year. The Columbia County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 15% increase in rent.
In the last 90 days, 37 listings have been listed, which means listings might be 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 have to consider a longer term 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 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1999 and are Class B.