The typical asking rate per listing is in the $10's per square foot per year. The Harlingen submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 3 listings have come on the market, which means new listings are probably going fast. 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.
Even though the median size is 15,000 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1997 and are Class B.