On average, listings lease in the $0's per square foot per year. The Terrell region is going through a decline in rates. In the last 3 months, the median rate decreased $15 per sqft per year. That's a 100% decrease in rent.
In the last 90 days, 2 listings have been listed, which means new listings most likley are 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most properties in this region are around 1 floors. Most buildings in this area were built in 1997 and are Class B.