The typical asking rate per listing is in the $20's per square foot per year. The Round Rock submarket is seeing 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 lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 5 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 20% of the available space 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 posted, so finding a space for a small business might be tough.
Even though the median size is 7,680 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this area were built in 2006 and are Class A.