Most listings are in the $20's per square foot per year. The Cedar Park region is experiencing a a rise in rates. In the last 3 months, the median rate went up $26 per sqft per year.
Compared to the rest of the Greater Austin market, the Cedar Park submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 12 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available space in the Cedar Park 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,960 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 2007 and are Class A.