On average, listings lease in the $20's per square foot per year. The El Paso region is going through a a rise in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 21% increase in rent.
In the last 90 days, 56 listings have been listed, so you'll want to check back regularly for new listings. 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 1,130 sqft. Most buildings in this market are close to 1 stories. Most buildings in this region were built in 1985 and are Class B.