Most listings are in the $10's per square foot per year. The Higganum submarket is going through a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 1 listings have come on the market, which means office spaces 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 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 700 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 2014 and are Class Class A.