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Quinlan Development Group is a privately-held real estate investment and development company based in New York City, with a commitment to long-term ownership. Founded in 1971, the multi-generational family company has earned a reputation as one of New York City’s most well respected developers. Quinlan Development Group has a track record of success during all market cycles and across multiple asset types.

Quinlan Development Group Questions

The Quinlan Development Group annual revenue was $5.9 million in 2026.

Robert Quinlan is the Chairman of Quinlan Development Group.

9 people are employed at Quinlan Development Group.

Quinlan Development Group is based in New York, New York.

The NAICS codes for Quinlan Development Group are [237, 23].

The SIC codes for Quinlan Development Group are [65, 655].

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