In the last 90 days, 56 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the listings in the Alton 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most buildings in this region are around 2 floors. Most buildings in this market were built in 1963 and are Class B.