On average, listings lease in the $20's per square foot per year. The Spartanburg submarket is going through a a rise in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 28% increase in rent.
In the last 90 days, 33 listings have been posted online, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 148% of the office spaces in the Spartanburg are subleases, so you might be able to snag a great spot on a short term. 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 1,990 sqft. Most buildings in this region are close to 2 stories. Most buildings in this market were built in 1972 and are Class A.