Most listings are in the $20's per square foot per year. The Brazoria County region is going through a a boost in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% increase in rent.
In the last 90 days, 32 listings have come on the market, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the office spaces in the Brazoria County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,700 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this area were built in 1999 and are Class A.