On average, listings lease in the $10's per square foot per year. The Johnson City region is going through a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 7% rise in rent.
In the last 90 days, 63 listings have been listed, so you'll want to check back regularly for new listings. 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 2,370 sqft. Most properties in this market are approximately 1 stories. Most buildings in this market were built in 1921 and are Class A.