Compared to the rest of the DFW Metroplex market, the Duncanville region has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 6 listings have been listed, which means leases are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,560 sqft. Most properties in this region are around 1 floors. Most buildings in this market were built in 1989 and are Class A.