On average, listings lease in the $20's per square foot per year. The Addison region is going through a a rise in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% increase in rent.
Compared to the rest of the DFW Metroplex market, the Addison region has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 83 listings have been posted online, so you'll want to check back regularly for new listings. About 7% of the listings in the Addison are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,774 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are around 6 stories. Most buildings in this area were built in 1985 and are Class B.