On average, listings lease in the $20's per square foot per year. The Spartanburg submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $8 per sqft per year. That's a 45% rise in rent.
In the last 90 days, 26 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 4% of the office spaces in the Spartanburg 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.
Even though the median size is 3,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1976 and are Class A.