On average, listings lease in the $20's per square foot per year. The Westborough region is going through a an increase in rates. In the last 3 months, the median rate rose $26 per sqft per year.
Compared to the rest of the Greater Boston market, the Westborough region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 2 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 350% of the office spaces in the Westborough 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 3,470 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this region were built in 1902 and are Class B.