Interior Architecture

Wallis Design Studio is an architectural design firm with extensive project experience in Interior Fitness, Aquatic, Retail and Restaurant design throughout the Northern California. Our approach involves listening to our clients needs and designing solutions to meet their unique requirements. We promote designs that are functional with clean, timeless character, that meet the vision of our clients.


  • Corporate Offices
  • ​​​​​​​Lobby Interiors
  • Open Office Spaces
  • Conference Rooms


  • Dining Rooms
  • Bar Interiors
  • Commercial Kitchens
  • Restrooms

Home Interiors

  • Living Rooms
  • Dining Rooms
  • Bathrooms
  • Kitchens
  • Family Rooms

Fitness Centers

  • Aerobics Studios
  • ​​​​​​​Weight Training Rooms
  • Indoor Running Tracks
  • Aquatic Facilities and Spas
  • Shower Facilities

Educational Interiors 

  • Preschools and Kindergardens
  • Public and Private K-12 Schools
  • Libraries and Study Areas
  • Support Facilities

Retail Interiors 

  • Golf Pro Shops
  • Retail Shops
  • Specialty Markets