Most listings are in the $20's per square foot per year. The Fort Worth submarket is going through a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 10% decrease in rent.
Compared to the rest of the DFW Metroplex market, the Fort Worth 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, 141 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the available space in the Fort Worth are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,250 sqft. Most properties in this market are around 1 stories. Most buildings in this area were built in 1984 and are Class B.