870 Cornerstone Boulevard NE in Calgary's Cornerstone community features six townhouse-style condominiums built in 2021. These modern three- and four-bedroom units offer attached double garages, open living spaces, and contemporary finishes including quartz countertops and stainless-steel appliances. Recent sales have averaged around $486,000, with the city's 2026 assessed value averaging $461,000. Monthly condo fees average roughly $261 and cover snow removal, community gardens, and visitor parking. The development is conveniently situated near shopping, dining, and Calgary International Airport. Before finalizing your purchase, have a real estate lawyer and accountant review the declaration, reserve fund study, financial statements, and board minutes to understand your obligations and the building's long-term financial health.