Compared to the rest of the DFW Metroplex market, the Murphy submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 1 listings have been listed, 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 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 600 sqft. Most buildings in this area were built in 2016 and are Class A.