The typical asking rate per listing is in the $10's per square foot per year. The Lewiston submarket is going through a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 6 listings have been posted online, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available leases in the Lewiston 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 12,700 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this region were built in 1900 and are Class Class B.