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Your Trusted Architectural & Interior Design Partner in Los Angeles
Just Joh is a distinguished architectural and interior design firm with over four decades of experience in commercial, residential, and sustainable design. Founded on the principle that design should be simple, accessible, and deeply personal, we approach each project with a fresh perspective tailored to our clients' unique needs. Our team, led by luminary designers Lory and Mats Johansson, combines international expertise with a commitment to innovation and craftsmanship. Lory Johansson, a pioneer in green design, has realized visionary projects across Indonesia, Mexico, and the Caribbean, including Richard Branson's Necker Island retreat. Mats Johansson brings meticulous attention to detail and expertise in ground-up construction, having led complex residential and hotel developments.

Our portfolio spans iconic projects like the BB King Blues Bar and House of Blues in Los Angeles, reflecting our ability to merge creativity with functionality. We prioritize sustainability without compromising elegance, creating spaces that maximize comfort, creativity, and a profound sense of place. Our collaborative process ensures every client's vision is realized with precision and artistry, from concept to completion. With offices in Los Angeles, we serve clients locally and globally, delivering timeless designs that transcend trends. Our work has been featured in Architectural Digest and recognized for its blend of cosmopolitan elegance and environmental consciousness.
Services
Residential Design Commercial Architecture Green Design Interior Design Project Management
Highlights and features
  • Over 40 years of combined experience in residential and commercial design
  • Pioneering expertise in sustainable 'off-the-grid' green architecture
  • Proven track record with high-profile international projects like Necker Island
  • Personalized approach blending client vision with design innovation
  • Award-winning team with features in Architectural Digest and LA Times
Services
Residential Design
Creating bespoke living spaces that balance aesthetics and functionality. Our residential projects range from modern Mediterranean estates to historic renovations, incorporating sustainable materials and innovative layouts. Each design reflects the client's lifestyle while maximizing natural light, spatial flow, and environmental harmony.
Commercial Architecture
Designing dynamic commercial environments that enhance brand identity and user experience. From entertainment venues like House of Blues to luxury retail spaces, we integrate cutting-edge technology with timeless design principles to create memorable, functional spaces that drive business success.
Green Design
Pioneering eco-conscious architecture that minimizes environmental impact. Our green designs utilize passive cooling systems, rainwater harvesting, and locally sourced materials. Projects like Necker Island demonstrate our ability to create energy-efficient, self-sustaining structures in challenging climates while maintaining aesthetic excellence.
Interior Design
Curating interiors that reflect individuality and purpose. We specialize in blending cultural influences with modern comforts, from hand-carved Indonesian teak cabinetry to custom textiles that elevate spaces. Our approach ensures every detail aligns with the client's vision and lifestyle needs.
Project Management
Providing end-to-end project coordination from concept to completion. Our team ensures seamless execution through rigorous quality control, budget management, and collaboration with skilled artisans and contractors. This service guarantees timely delivery of complex projects while maintaining design integrity.
People
Lory Johansson
Lead Designer
Internationally recognized designer with over 20 years of experience in sustainable architecture. Specializes in creating culturally inspired spaces that merge luxury with environmental responsibility. Holds a mathematics degree from UCLA and previously co-led Ergo Design Works.
Mats Johansson
Architectural Director
Master architect with expertise in large-scale residential and hospitality projects. Graduated from Lund University with advanced studies in urban design at UCLA. Known for meticulous attention to detail and ability to harmonize architectural styles with interior environments.
Questions
What design styles does Just Joh specialize in?
We work across Mediterranean, modern Japanese, Art Deco, and sustainable styles while adapting to each client's unique vision.
Do you handle both residential and commercial projects?
Yes, we specialize in both high-end residential homes and commercial spaces including hospitality and entertainment venues.
Can you work on historic property renovations?
Yes, we have extensive experience restoring and modernizing historic properties while preserving architectural integrity.
Do you offer international design services?
Yes, we've completed projects in Indonesia, Mexico, the Caribbean, and France in addition to Southern California.
What sustainable design practices do you employ?
We use passive cooling systems, rainwater harvesting, locally sourced materials, and energy-efficient construction methods in our green designs.