Altstadt Interiors

Operating from an Olympia hub with a broad Western Washington reach, this residential interior design studio guides client-driven spaces from concept through completion. Under the leadership of designer Tana Mattson, the practice emphasizes historic preservation, sustainable materials, and close trade partnerships to create timeless homes that reflect lifestyle and budget. Since 1996, the studio has evolved from a Seattle-origin concept to a permanent Olympia office, with regular trips to Seattle for client appointments. Services span from quick consultations to full-service design, with access to exclusive products and trade discounts that amplify value. Evening and Saturday appointments accommodate busy households.

Interior Design Credentials and Curated Certifications

• - Curated certifications and professional affiliations (NKBA, Historic Seattle, National Trust for Historic Preservation)
• - BBB accreditation and Houzz presence signal established credibility
• - A multi-decade industry presence since 1996 with an Olympia-based leadership team
• - Active involvement in regional design networks such as Northwest interior design organizations (NWSID)

Indoor-Environment Quality and Sustainable Design

• - Materials and finishes chosen for low VOCs and durability to support healthy indoor air
• - Space planning and window treatments optimized for daylight, thermal comfort, and energy efficiency
• - Access to exclusive products and trade discounts through established accounts to improve performance and value
• - Comprehensive project management with meticulous coordination to preserve design intent and installation quality

Regional Footprint Across Western Washington

• - Based in Olympia with ongoing Seattle-area engagements, illustrating a broad Western Washington footprint
• - Regular travel to Seattle for client appointments and a permanent Olympia base established in 2021
• - Active participation in regional design communities and preservation-focused organizations
• - Flexible scheduling, including evenings and Saturdays, to accommodate busy households

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