The typical asking rate per listing is in the $10's per square foot per year. The Dallas County submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 19% rise in rent.
In the last 90 days, 32 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 47% of the listings in the Dallas County 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 3,210 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this market are around 1 stories. Most buildings in this area were built in 2001 and are Class A.