The typical asking rate per listing is in the $20's per square foot per year. The Southlake submarket is going through a a rise in rates. In the last 3 months, the median rate went up $29 per sqft per year.
In the last 90 days, 6 listings have come on the market, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 17% of the available leases in the Southlake are subleases, so you might be able to snag a great spot on a short term. 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 12,340 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are around 1 floors.
Public administration is the dominant industry in this market. Most of the folk of Southlake work from home. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.