Ellie Mroz Design

Ellie Mroz Design is a boutique interior design firm in Westfield, New Jersey, serving clients throughout the surrounding towns including Summit, Chatham, Scotch Plains, Millburn, Madison, Cranford, Mountainside, and Short Hills. The firm offers full-service interior design, furnishings, styling, and construction consulting, specializing in modern traditional interiors that blend classic residential style with a contemporary perspective. Their work emphasizes bright, fresh, layered, and timeless spaces that are both functional and livable. Clients include homeowners seeking design support for entire homes or individual rooms, with services extending to renovations and new builds through a collaboration with Michael Robert Construction.

Based in Westfield, the firm draws inspiration from classic New Jersey suburban homes, the nearby Atlantic coastline, and the energy of the New York metropolitan area. The design approach prioritizes personal, organized, and creative experiences, with careful attention to selections, finishes, furnishings, and details. The founder, Ellie Mroz, brings a background in fashion, including experience in ready-to-wear, jewelry design, merchandising, and public relations, which informs her eye for proportion, texture, color, and styling. The firm’s aesthetic is described as fresh, classic, layered, organic, and timeless, balancing refined materials with the comfort of everyday family life.

The business is located at 400 W Broad Street in Westfield, situated about 0.2 miles from the Westfield World War II Memorial and the Westfield Vietnam War Memorial, and within a short distance of McKinley Elementary School and the YMCA. It lies near North Avenue West and South Avenue West, with access to key local landmarks.

Ellie Mroz Design is recognized in both local and national media for its modern traditional interiors. The firm’s reputation reflects a curated, personal design experience that results in homes that feel polished yet welcoming, elevated yet approachable. Clients value the firm’s meticulous attention to detail and its ability to create spaces that reflect the individuals who live in them. The business is known for delivering timeless, functional environments that stand out through thoughtful design and a deep understanding of lived-in elegance.