Most listings are in the $10's per square foot per year. The Columbia County region is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 4% increase in rent.
In the last 90 days, 37 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 3% of the available leases 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 posted, 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 approximately 2 floors. Most buildings in this area were built in 1999 and are Class B.