The typical asking rate per listing is in the $30's per square foot per year. The McAllen submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $6 per sqft per year. That's a 23% rise in rent.
In the last 90 days, 33 listings have been listed, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 30% of the office spaces in the McAllen are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 10,350 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 1 stories. Most buildings in this market were built in 2002 and are Class B.