Most listings are in the $20's per square foot per year. The Texas submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decrease in rent.
In the last 90 days, 7790 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Texas 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 1,610 sqft. Most properties in this area are around 2 floors. Most buildings in this area were built in 1985 and are Class B.