
MC
Margaret Costello
Interior DesignerOwner at MARGARET COSTELLO INTERIORS & DESIGN STU (ICFFxBDNY)
Margaret Costello is the owner of Margaret Costello Interiors & Design Studio, a full-service residential and commercial design studio. Before interiors, she worked in fashion with designers including Tom Ford, Marc Jacobs, and Ralph Lauren. She founded her design firm in 2012 in West Palm Beach, FL, and expanded to New York City in 2020, now serving clients in both markets. She was named to the 2023 AD100 list, and her work has been featured in Elle Decor and Rue Magazine.
Experience
- Current
Designer
MARGARET COSTELLO INTERIORS & DESIGN STU (ICFFxBDNY)











