On average, listings lease in the $30's per square foot per year. The Shavano Park region is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 2% rise in rent.
Compared to the rest of the Greater Austin market, the Shavano Park submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 6 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. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 8,180 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are around 3 floors. Most buildings in this region were built in 2005 and are Class A.