On average, listings lease in the $10's per square foot per year. The Beaumont submarket is going through a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 32 listings have come on the market, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 88% of the available space in the Beaumont 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 posted, so finding a space for a small business might be tough.
Even though the median size is 2,560 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are around 1 stories. Most buildings in this region were built in 1982 and are Class B.