On average, listings lease in the $20's per square foot per year. The Nassau Bay submarket is going through a a boost in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 1% increase in rent.
Compared to the rest of the Houston Metro market, the Nassau Bay submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 58 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the available leases in the Nassau Bay are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 350 sqft. Most buildings in this market are close to 4 stories. Most buildings in this region were built in 1985 and are Class B.