On average, listings lease in the $20's per square foot per year. The Stratford region is going through a an increase in rates. In the last 3 months, the median rate increased $5 per sqft per year. That's a 29% increase in rent.
Compared to the rest of the Fairfield market, the Stratford submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 9 listings have been made available, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. 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 1,380 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1979 and are Class A.