On average, listings lease in the $20's per square foot per year. The Tomball region is going through a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 13% decrease in rent.
Compared to the rest of the Houston Metro market, the Tomball submarket has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 8 listings have been made available, which means leases are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 9,100 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are close to 1 stories. Most buildings in this market were built in 1983 and are Class A.