Most listings are in the $20's per square foot per year. The Tarrant County region is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 470 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the Tarrant County 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 1,970 sqft. Most buildings in this market are close to 1 floors. Most buildings in this region were built in 1986 and are Class B.