The typical asking rate per listing is in the $10's per square foot per year. The Dallas submarket is going through a a rise in rates. In the last 3 months, the median rate rose $16 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Dallas region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 0 listings have been made available, which means listings might be going fast. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the available space in the Dallas 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,230 sqft. Most buildings in this market are around 1 stories. Most buildings in this region were built in 2005 and are Class B.