In the last 90 days, 56 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the available leases in the Alton are subleases, so you will probably have to focus your search on direct office leases. 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 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1963 and are Class B.