Most listings are in the $20's per square foot per year. The Port Huron region is experiencing a a boost in rates. In the last 3 months, the median rate rose $6 per sqft per year. That's a 35% increase in rent.
Compared to the rest of the Metro Detroit market, the Port Huron region has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 11 listings have been listed, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 9% of the listings in the Port Huron 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 available, 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 around 1 floors. Most buildings in this region were built in 1963 and are Class B.