Most listings are in the $30's per square foot per year. The Cambridge submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $45 per sqft per year. That's a 57% decrease in rent.
Compared to the rest of the Greater Boston market, the Cambridge region has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 29 listings have been posted online, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the available space in the Cambridge are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,690 sqft. Most properties in this area are close to 5 stories. Most buildings in this region were built in 1978 and are Class A.