Most listings are in the $10's per square foot per year. The Newtown region is experiencing a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 4% decrease in rent.
Compared to the rest of the Fairfield market, the Newtown submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 2 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 50% of the listings in the Newtown are subleases, so you might be able to snag a great spot on a short term. 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 6,190 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are close to 2 floors. Most buildings in this area were built in 1928 and are Class A.