Most listings are in the $10's per square foot per year. The La Porte region is experiencing a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Houston Metro market, the La Porte region has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 4 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 4,000 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this region were built in 2005 and are Class B.