In the last 90 days, 3 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 800% of the listings in the Clinton County are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,060 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are around 1 floors. Most buildings in this area were built in 0 and are Class B.