In the last 90 days, 0 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the listings in the Newton 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.
Even though the median size is 5,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1958 and are Class B.