In the last 90 days, 1102 listings have come on the market, so you'll want to check back regularly for new listings. About 7% of the available space in the Greater Austin are subleases, so you will probably have to focus your search on direct office leases. 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 2,500 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this area were built in 1986 and are Class A.