Most listings are in the $10's per square foot per year. The Maryland Heights region is experiencing a decline in rates. In the last 3 months, the median rate decreased $11 per sqft per year. That's a 42% decline in rent.
In the last 90 days, 10 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 200% of the office spaces in the Maryland Heights are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 300 sqft. Most properties in this area are around 5 floors. Most buildings in this area were built in 1990 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Education is the dominant industry in this market. Commute by public transit is the most popular way to get to work amongst Maryland Heights folk. Commuting close to 10 minutes a day is the norm for those who opt to reside in this part of town.