On average, listings lease in the $10's per square foot per year. The Columbia region is seeing a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 13% decrease in rent.
In the last 90 days, 67 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the available space in the Columbia 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,170 sqft. Most buildings in this area are close to 2 floors. Most buildings in this region were built in 1970 and are Class B.