We've been designing retail environments that move product — for over 60 years.

From single-store flagships to nationwide rollouts, we deliver site-to-storefront under one roof — architecture, structural, MEP, fire protection, and in-house municipal expediting. Your retail footprint, executed end-to-end.

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Established 1964 · Licensed in most U.S. States · 3,000+ Commercial Projects

For Retail Decision-Makers

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About the Firm

Six decades of commercial architecture. One full-service firm.

Rosenbaum Design Group · Lake Success, NY · Est. 1964

Founded in 1964 by Roy I. Rosenbaum, AIA NCARB, Rosenbaum Design Group has been led by three Rosenbaum generations alongside partners Flynn, O'Sullivan, and Rivalsi. Today RDG stands as one of the largest commercial architecture firms on Long Island.

We've completed thousands of commercial projects across the United States and internationally — from single-store flagships to nationwide rollouts, mixed-use anchors, shopping centers, warehouses, and institutional work.

Why National Retailers Partner with RDG:

Full-service in-house: architectural, structural, MEP, plumbing, fire protection
In-house municipal expediting — we handle zoning, code, and permit hearings ourselves
National licensing footprint — active licenses across most U.S. states
LEED Accredited Professionals on staff for sustainable retail design
Single point of accountability from feasibility through C of O
Six decades of relationships with retail real estate decision-makers
Proven on multi-location rollouts, shopping centers, and ground-floor retail