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 boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 5% increase in rent.
Compared to the rest of the Greater Austin market, the Williamson County region has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 29 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 14% of the available space 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,430 sqft. Most properties in this region are approximately 2 stories. Most buildings in this region were built in 2001 and are Class A.