The typical asking rate per listing is in the $20's per square foot per year. The Williamson County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 29% increase in rent.
Compared to the rest of the Greater Austin market, the Williamson County submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 19 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 16% of the listings in the Williamson 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 1,600 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 2001 and are Class A.