Most listings are in the $20's per square foot per year. The Farmers Branch submarket is going through a decrease in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 6% decrease in rent.
Compared to the rest of the DFW Metroplex market, the Farmers Branch submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 381 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the available leases in the Farmers Branch are subleases, so you will probably have to consider a longer term lease. 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 550 sqft. Most properties in this area are approximately 4 floors. Most buildings in this region were built in 1982 and are Class A.