Most listings are in the $10's per square foot per year. The Florence submarket is going through a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 6 listings have been made available, which means new listings might be going fast. You'll want to be prepared to make an offer immediately. 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 1,930 sqft. Most properties in this area are around 2 floors. Most buildings in this market were built in 1960 and are Class A.