In the last 90 days, 113 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the available leases in the St. Charles County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,360 sqft. Most buildings in this region are close to 1 floors. Most buildings in this region were built in 1999 and are Class B.