Most listings are in the $10's per square foot per year. The Houston County region is going through a a boost in rates. In the last 3 months, the median rate rose $18 per sqft per year.
In the last 90 days, 7 listings have been listed, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 143% of the office spaces in the Houston County 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 850 sqft. Most buildings in this area are around 1 floors. Most buildings in this market were built in 1979 and are Class C.