Most listings are in the $20's per square foot per year. The Harris County submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $0 per sqft per year. That's a 2% rise in rent.
In the last 90 days, 3123 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the office spaces in the Harris 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,321 sqft. Most buildings in this area are close to 3 floors. Most buildings in this area were built in 1982 and are Class B.