McDonald family proposes six‑story, 58‑unit building at Willard/Quarry; neighbors press for historic preservation, traffic fixes

The Quincy Planning Board on March 19 heard a site‑plan application from 622 Quarry LLC (Greg McDonald and partners) to demolish existing structures at 86 and 92 Willard Street and 135 Robertson Street and build a new six‑story, 58‑unit multifamily building with two levels of structured parking (105 spaces total).

Attorney Edward Fleming, representing the applicant, described a C‑shaped building with two independent parking levels entered from Quarry Street and Willard Street. Architect David Seibert of BKA Architects called the project a “4 over 2” — four residential levels over two parking levels — and said typical units would be one‑ and two‑bedroom apartments with a mix of amenities, including an interior amenity level and an exterior roof/terrace. Civil engineer Carlos Sculte of Civil & Environmental Consultants (CEC) said the design includes stormwater chambers and deep‑sump manholes to provide…