Mosites Development Company Email Format

Real EstatePennsylvania, United States2-10 Employees

Mosites Development Company is a Pittsburgh-based real estate firm founded in 1969 that develops and manages properties for itself and for third parties. Its portfolio covers more than two million square feet, including office buildings, retail centers, light industrial and warehouse space, and leases with national restaurant brands.

The company has pursued partnerships and collaborations with universities and public agencies, including a 2024 alliance with Carnegie Mellon University that incorporated student input into facilities management. Another notable engagement is a 2026 joint venture with Gilbane Building Company to create a center for Carnegie Mellon Robotics Institute at Hazelwood Green, overseen by Tishman Speyer. Past collaborations also include a 2019 partnership with the Urban Redevelopment Authority.

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