Most listings are in the $10's per square foot per year. The Ramsey submarket is going through a a boost in rates. In the last 3 months, the median rate went up $17 per sqft per year.
In the last 90 days, 13 listings have come on the market, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. 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 2,190 sqft. Most buildings in this market are around 2 stories. Most buildings in this region were built in 1988 and are Class B.