Diane Coury Design Associates

About Us

Founded in 1980 by Diane Coury Jacob, Diane Coury Design Associates is a woman-owned interior design and furnishings firm known throughout Western Pennsylvania and beyond for its thoughtful, client-focused approach. Serving residential, commercial, historic, and institutional clients, the studio specializes in transforming spaces with timeless elegance and personalized flair.

Their services include space planning, custom cabinetry and built-ins, lighting and color consulting, furniture sourcing, textile selection, and full-scale remodeling coordination. With thousands of products available from hundreds of vendors, the firm simplifies design projects by cutting out the middle-man and ensuring cohesive, high-quality results.

Whether updating a historic building or designing a modern home, Diane Coury Design delivers tailored solutions rooted in collaboration and strategic planning. The firm has earned a reputation for excellence through award-winning projects and trusted partnerships with architects, contractors, and community organizations.

Based in New Castle’s historic district, Diane Coury Design blends professional craftsmanship and artistic vision to elevate interiors across the region.