Most listings are in the $10's per square foot per year. The Johnson City region is going through a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 63 listings have been made available, so you'll want to check back regularly for new listings. 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 2,250 sqft. Most buildings in this region are around 1 stories. Most buildings in this area were built in 1921 and are Class A.