Janet returned her attention to costume design after retiring from teaching. Most recently at Elmwood Playhouse, she designed the costumes for Bridges of Madison County, The Odd Couple, On Golden Pond, and A Lesson Before Dying. Prior to that, she designed and constructed the costumes for Dr. Jekyll and Mr. Hyde. She was the costume designer for The Other Place and Harvey, for which she was voted Best Costume Design of a Play by Broadway World. She has also costumed productions at Nanuet High School.