In the last 90 days, 5 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 40% of the available leases in the Lebanon 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,900 sqft. Most buildings in this region were built in 1989 and are Class A.