Most listings are in the $30's per square foot per year. The West Lake Hills submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 10% rise in rent.
Compared to the rest of the Greater Austin market, the West Lake Hills region has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 3 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 2,320 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1985 and are Class B.