About The Firm

ROGER GREENWALD, RA, AIA is a registered architect and builder, licensed to practice architecture in the state of New York. Since founding the design- build firm of Greenwald Cassell Associates in 1984, Roger has designed and built almost one thousand projects, making him one of the Washington area’s most experienced residential architect-builders. Roger’s Washington based design-build practice is now expanded to include his New York office, serving Beacon, Cold Spring, and the Hudson River Valley.  Roger Greenwald, AIA seeks to provide clear, beautiful, and creative solutions to complex and difficult architectural problems.Greenwald Cassell Associates has won the National Gold award from the remodeling industry’s leading trade journal.

Roger Greenwald’s designs have been long known for their quiet and understated grace, skillfully weaving a keen awareness and appreciation of architectural tradition into our contemporary environment.

To arrange a consultation with Roger Greenwald, email us, or call at 845-505-9331.

A design/build practice with a trusted reputation and a 28 year history.

Testimonials