The typical asking rate per listing is in the $20's per square foot per year. The Bee Cave submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 12% decrease in rent.
Compared to the rest of the Greater Austin market, the Bee Cave submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 5 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 20% of the available space in the Bee Cave are subleases, so you might be able to find a shorter term or below market rent. 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 2,330 sqft. Most buildings in this area are close to 3 stories. Most buildings in this region were built in 2002 and are Class A.