The typical asking rate per listing is in the $10's per square foot per year. The Spartanburg region is seeing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 34 listings have been posted online, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 3% of the listings 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,290 sqft. Most properties in this market are around 2 floors. Most buildings in this market were built in 1975 and are Class A.