Most listings are in the $40's per square foot per year. The Hidalgo submarket is going through a a rise in rates. In the last 3 months, the median rate went up $41 per sqft per year.
In the last 90 days, 6 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 430 sqft. Most buildings in this region are around 1 stories. Most buildings in this region were built in 2012.