Compared to the rest of the Fairfield market, the Stratford region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 9 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 22% of the listings in the Stratford are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 550 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1979 and are Class A.