The typical asking rate per listing is in the $10's per square foot per year. The Pasadena submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 20% decrease in rent.
Compared to the rest of the Houston Metro market, the Pasadena submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have come on the market, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. 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 530 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 1988 and are Class B.