Most listings are in the $20's per square foot per year. The Columbia region is experiencing a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 11% decrease in rent.
In the last 90 days, 80 listings have been listed, so you'll want to check back regularly for new listings. About 5% of the available space in the Columbia are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 6,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 1970 and are Class B.