Compared to the rest of the DFW Metroplex market, the Mesquite submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 8 listings have been listed, which means office spaces most likley are 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 1,250 sqft. Most properties in this market are close to 1 stories. Most buildings in this area were built in 1983 and are Class B.