Most listings are in the $20's per square foot per year. The Texas submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 4% increase in rent.
In the last 90 days, 7198 listings have been made available, so you'll want to check back regularly for new listings. About 4% of the office spaces in the Texas are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,010 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 1984 and are Class B.