Most listings are in the $20's per square foot per year. The Southlake region is experiencing a a boost in rates. In the last 3 months, the median rate went up $30 per sqft per year.
Compared to the rest of the DFW Metroplex market, the Southlake region has greater rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 27 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available leases in the Southlake 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 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 2,230 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this area were built in 2003 and are Class A.