The three-building proposal
A December 2017 article described Mass + Main near Main Street and Massachusetts Avenue in Cambridge’s Central Square. The plan combined 285 apartments in two buildings with 23 at 47 Bishop Allen Drive, for 308 homes, along with retail and public-space connections.
The account traced the site to former Quest Diagnostics properties acquired in late 2012. It described community outreach through five open houses, 25 hearings and more than 1,100 conversations before zoning approval in May 2015 and subsequent design and permitting reviews.
Height, affordability and the legal dispute
The article discussed a 195-foot tower and a petition seeking a 150-foot limit and an increase in affordable-housing requirements from 20% to 25%. It identified the petition with School Committee member Harding and described concerns about neighboring buildings and shadows.
The account said the Planning Board rejected the petition in March 2017 and the parties reached a settlement in April, without supplying its terms. These are historical reports of the dispute, not an interpretation of present zoning rights or a guarantee that neighbors would experience no shadows.
The reported groundbreaking and budget
The account dated the groundbreaking to November 16, 2017 at Lafayette Square, also called Jill Brown-Rhone Park, near 411 Massachusetts Avenue. It described a $190 million joint-venture project with the first phase expected in 2018 and broader completion discussed for 2019 or mid-2020.
These event and target dates are distinct from the article’s publication date. The original used several different completion and occupancy estimates, so none is presented here as the verified delivery date.
Residential and public-space intentions
The plan called for affordable and middle-income housing, approximately 10% three-bedroom homes, ground-floor shops and food businesses, and passageways linking to Lafayette Square. The proposal targeted LEED Gold and described energy tracking, green roofs and other sustainability measures. A target is not proof of a certification.
The report discussed demolition at the former laboratory buildings and garage, replacement parking at 65 Bishop Allen Drive, later foundation work and a staged approach to the remaining 285 apartments. The 23-home Bishop Allen building was discussed separately.
Numbers that require caution
Other passages gave approximately 230 apartments, a 185-foot height and competing 307,000- and 308,000-square-foot areas. The 308-home account follows the article’s explicit 285-plus-23 breakdown, but the conflicting dimensions cannot all be treated as one final approved plan.
The article also gave an unclear $54,500 Cambridge home-price figure alongside other market comparisons. That malformed measure is not used as a market value. This archive describes the proposal, design debate and construction announcements, not current rents, parking arrangements, flood protection or available homes.
Historical account attributed to the original Boston City Properties article. Underlying records and later outcomes have not been freshly verified.