On average, listings lease in the $20's per square foot per year. The Round Rock submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% increase in rent.
Compared to the rest of the Greater Austin market, the Round Rock region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 8 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 38% of the office spaces in the Round Rock are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,500 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 2006 and are Class A.