Sonia Barney Design

Sonia Barney Design is a full-service interior design firm in Idaho Falls, ID, specializing in interior planning, kitchen and bath design, floor plans, cabinetry design, interior finishes, lighting, furniture, and styling for residential and commercial spaces. The firm serves clients in Eastern Idaho and Western Wyoming, with remote services available nationwide. Founded in 2015 by Sonia Barney, the business leverages over 16 years of experience in design and construction, combining creative thinking with organizational precision. Clients benefit from a tailored design process centered on the unique needs of active families and busy professionals.

The firm’s approach is built around a detailed Design Book, a comprehensive document that functions as a project blueprint, including finishes, fixtures, construction notes, diagrams, and action plans. This tool is included in both Comprehensive and Reference service packages, helping clients navigate design and construction with clarity and confidence. Sonia Barney, the principal designer, holds a Bachelor’s Degree in Interior Design and emphasizes problem-solving, data-driven decisions, and clear communication throughout each project. The firm is recognized as one of East Idaho’s leading interior design firms, having received multiple awards, including Idaho’s Best Interior Design Firm Silver Winner and East Idaho Winner in 2026, 2025, and 2023.

Sonia Barney Design is known for creating thoughtfully planned, innovative, and artful interiors that align with clients’ lifestyles and elevate their living and working environments. The firm’s commitment to a stress-free, efficient design process enables clients to enjoy their spaces fully. With a focus on quality, customization, and expert project oversight, the business stands as a trusted partner for transforming spaces into functional, beautiful, and personally meaningful environments.