The typical asking rate per listing is in the $30's per square foot per year. The Williamson County region is going through a decline in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 1% decrease in rent.
In the last 90 days, 21 listings have been posted online, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 10% of the available space in the Williamson County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,810 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are close to 4 stories. Most buildings in this area were built in 1998 and are Class A.