Winchester Partners Deliver 283-Unit Mixed-Income Community in New Haven's $92.5M Science Park Revival

The ongoing transformation of New Haven's historic Winchester Repeating Arms Co. factory complex has reached a milestone, with the completion of a 283-unit mixed-income residential building anchored by a $92.5 million redevelopment vision. Developed by Winchester Partners—a joint venture between an L+M Development affiliate and Twining Properties—the newly finished community, known as The Winston, brings a mix of market-rate and affordable housing to a site that has awaited revitalization since the factory shuttered in 1981.

According to REBusinessOnline, The Winston features a diverse unit mix spanning from studios to three-bedroom layouts. Of the 283 total apartments, 57 residences—roughly 20 percent—are designated as affordable housing for renters earning 50 percent or less of the area median income (AMI). The five-story building also integrates 12,800 square feet of ground-floor retail space and offers an amenities package designed to compete in the modern rental market, including a swimming pool, a fitness center with a dedicated yoga studio, coworking space, and a resident library. Beinfield Architecture served as the design firm for the project.

Key Details

Developer: Winchester Partners (Joint venture between an L+M Development affiliate and Twining Properties)

Project Name: The Winston

Location: New Haven, Connecticut (within the Science Park development)

Unit Count: 283 residences ranging from studios to three-bedrooms

Affordable Housing Component: 57 units (20 percent of total) restricted to renters earning ≤50 percent AMI

Commercial Space: 12,800 square feet of retail

Amenities: Pool, fitness center with yoga studio, coworking space, resident library

Architect: Beinfield Architecture

Financing: The Urban Investment Group at Goldman Sachs Alternatives and KeyBank

Overall Development Scope: The Winston represents the initial phase of the broader Science Park redevelopment—a $92.5 million adaptive reuse of the former Winchester Repeating Arms Co. factory campus.

Market Context

The delivery of The Winston highlights several converging trends currently shaping the commercial real estate landscape in the Northeast. Primarily, it underscores the continued momentum behind large-scale adaptive reuse projects. Industrial-to-residential conversions have remained a favored strategy for developers looking to unlock value in underutilized urban footprints, especially as new ground-up construction faces headwinds from elevated interest rates and construction costs.

Furthermore, the project's financial structure points to the persistent appetite from institutional capital for mixed-income housing developments. With financing provided by Goldman Sachs' Urban Investment Group alongside KeyBank, the deal illustrates how private capital is increasingly being deployed to meet affordability mandates while still delivering the amenity-rich environments demanded by today's renters. In many secondary and tertiary Northeast markets, developments that blend market-rate and affordable units are proving to be an effective model for securing both community buy-in and institutional financing.

New Haven's rental market benefits heavily from its identity as an education and medical hub, driven by institutions like Yale University and Yale-New Haven Hospital. The addition of 283 units, including three-bedroom layouts, caters to a demographic often underserved by standard new-development pipelines, which tend to over-index on one-bedroom and studio product. The inclusion of 12,800 square feet of retail further positions the property—and the wider Science Park master plan—as a true live-work-play destination, a critical factor for attracting and retaining a diverse tenant base in a competitive regional landscape.