Most listings are in the $30's per square foot per year. The Bellaire submarket is going through a a boost in rates. In the last 3 months, the median rate rose $33 per sqft per year.
Compared to the rest of the Houston Metro market, the Bellaire region has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 4 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 50% of the available space in the Bellaire are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 33,950 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are approximately 6 stories. Most buildings in this market were built in 1977 and are Class B.