On average, listings lease in the $30's per square foot per year. The Greater Austin region is going through a an increase in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 14% rise in rent.
In the last 90 days, 1138 listings have been listed, so you'll want to check back regularly for new listings. About 60% of the office spaces in the Greater Austin 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 2,580 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1986 and are Class A.