Case Studies

NGBS Impact Case Studies

Real-world examples highlight the benefits and impact of sustainable materials

We want to showcase your exceptional green-certified buildings! Share your case study ideas with us.

Starling Yard

Starling Yard showcases the NGBS’s flexible pathways and verification rigor that support successful adaptive reuse and mixed-income housing. Through a layered capital stack that combined affordable housing tools with historic preservation, the development transforms a vacant 1908 school building into 45 affordable apartments while preserving historic features like tin ceilings and wood trim. Two new adjacent walk-up buildings add 52 units, creating a 97-unit community that blends old and new while honoring the site’s architectural legacy.

The Petronelli

28 Petronelli Way, a historic four-story brick building located in the heart of downtown Brockton, is distinguished by its intricate Romanesque Revival façade. Constructed in 1890 as the St. Patrick's Total Abstinence Society Building it originally featured a theater with a full balcony on the top floor. The second and third floors housed community-oriented meeting rooms, while the ground level accommodated four retail spaces.

The Pearl Apartments

The Pearl Apartments in Jackson, Miss. is a former Holiday Inn where the old motel rooms were converted into studio apartments for senior residents. Through a unique local partnership that addresses affordable housing and health disparities, The Pearl also offers health care services on-site. All five buildings earned the NGBS Green Certification at the Silver level. The moderate rehabilitation project included replacement of lighting, appliances, plumbing fixtures, and HVAC equipment.

Chronicle Mill

Chronicle Mill, built in 1901 and the first textile mill in Belmont, is an adaptive reuse property just outside Charlotte, spanning a 7-acre site. It includes two buildings with 238 apartments, about 9,000 square feet of commercial space, and the public coworking area known as Mill Collective.

Grayson Lofts at Wakefield Station

Grayson Lofts at Wakefield Station is a contemporary and industrial-chic multifamily community, converted from the former Harvard Knitting Mills, once the largest employer in Wakefield, employing 20% of all mill workers in New England. The redesigned brick building features three newly added stories over the original three story structure.

The Arlington of Poughkeepsie

The Arlington of Poughkeepsie is a two-phase, multibuilding, mixed-use sustainable development. The surrounding area is home to Vassar College and a thriving business, cultural, and community center.

COTS Peterboro

COTS Peterboro, originally the Hotel Imperial in Detroit Michigan, was purchased in 1983 for $1.5 million and converted to a headquarters that offers 56 supportive units spanning eight stories, providing those with nowhere to call home a safe, and green, residence.

22 Light Street

An ideal downtown location, 22 Light Street is walkable to the historic seaport, the Inner Harbor, a landmark of the city of Baltimore, Maryland, public transportation, retail stores, and restaurants. This 40-unit apartment complex has a variety of 1- to 3-bedroom units. Each unit contains granite countertops, stainless steel appliances, smart thermostats, and hardwood floors.

Cargill Falls Mill

Located on the Quinebaug River, the historic Cargill Falls Mill in Putnam, Connecticut, has been transformed into over nine acres of residential space. A once successful cotton mill in the early 1800s, Cargill Falls Mill is now a unique apartment enclave in a thriving, sought-after community.

Broadstone Junction

The Broadstone Junction development transformed 12-acres of abandoned office buildings and asphalt parking lots into a vibrant new community that pays homage to its historic roots while also providing the modern, innovative features renters want.

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