The typical asking rate per listing is in the $20's per square foot per year. The Carrollton submarket is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% increase in rent.
Compared to the rest of the DFW Metroplex market, the Carrollton region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 45 listings have been posted online, so you'll want to check back regularly for new listings. 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 1,880 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this region were built in 1988 and are Class B.