Most listings are in the $20's per square foot per year. The St. Peters submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 22% increase in rent.
In the last 90 days, 21 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 5% of the office spaces in the St. Peters 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 950 sqft. Most properties in this region are approximately 1 floors. Most buildings in this market were built in 1999 and are Class B.