On average, listings lease in the $50's per square foot per year. The Westport submarket is going through a a boost in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 7% increase in rent.
Compared to the rest of the Fairfield market, the Westport region has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 32 listings have been posted online, which means listings might be leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the listings in the Westport are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,800 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1978 and are Class A.