The typical asking rate per listing is in the $10's per square foot per year. The Duncanville region is going through a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 19% decrease in rent.
Compared to the rest of the DFW Metroplex market, the Duncanville submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 3 listings have come on the market, which means new availabilities 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,660 sqft. Most buildings in this region are approximately 1 floors. Most buildings in this area were built in 2003 and are Class B.