Diamondcorp & Metropia
Diamondcorp & Metropia

Diamond Corp., a Toronto real estate development company with a strong commitment to developing high-quality, innovative and award-winning residential and mixed use projects, has established itself as a leader in the development industry in the Greater Toronto Area. Diamond Corp. is a part of the Whitecastle group of companies and acts as the manager of the Whitecastle New Urban Fund 1, 2 and 3. Diamond Corp. is committed to progressive city building rooted in a legacy and tradition of quality and innovation.


Metropia is a privately owned and highly respected real estate developer creating authentic Communities in both the Greater Toronto Area and Calgary. Metropia focuses on community building, urban renewal and design innovation. Our communities offer a wide range of housing options with an emphasis on affordability and an abiding responsibility to the environment.

Metropia is a product of Howard Sokolowski’s vision to create one of Canada’s leading real estate development companies. Howard has a proven ability to see beyond current trends to plan and build successful and award winning communities. Joining the executive team is David Speigel, the industry’s foremost authority on low rise and high rise project execution. Over the past 30 years Howard and David have led the development of over 25,000 homes and set a new standard for customer satisfaction in the industry.

Metropia is involved in acquiring land, securing approvals, designing communities and homes, and delivering exceptional customer satisfaction. Building on the company’s strong strategic partnerships and our team’s industry-leading experience, we give back to the neighbourhoods we develop in, by contributing socially, economically and physically to the benefit of the overall community.