121 Design Build started in Los Angeles with one clear mission: create modern, affordable architecture that adds measurable value to every property. Deeply rooted in LA’s neighborhoods and building codes, we’ve become a trusted local partner for homeowners navigating additions, ADUs, and remodels. What began as a small studio has grown into a name with global reach, designing over 5M+ sqft worldwide, while maintaining a strong Los Angeles presence and reputation. Our foundation is built on efficiency, transparency, and a results-driven mindset, helping homeowners unlock the true financial and lifestyle potential of their properties. Every project is proof that thoughtful design is both beautiful and profitable.
Worldwide
Annually
Expertise
Permits
Building Smarter,
Building Value
At 121 Design Build, our mission is to make every square foot count. Whether it’s an ADU for rental income, a remodel that increases resale value, or a ground-up build, we ensure your investment works harder for you. With a focus on speed, affordability, and return on investment, our team combines design innovation with deep knowledge of zoning and permitting in Los Angeles. The result: smarter projects, faster approvals, and spaces that grow both your lifestyle and your property’s worth.
Principal | Director of Design
Design Professional III | Team Lead
Principal | Director of Design
Permit Coordinator
Architectural Drafter
Client Relations
3D Rendering
Built on Strong Values, Driven by Results
At 121 Design Build, our values are the foundation of every project. From fast approvals and innovative design to transparent communication, we focus on creating spaces that are modern, affordable, and profitable. More than just a construction company, we are your partners, guiding you from the first sketch to the final build. With our full-service design-and-build approach, you won’t need to juggle multiple contractors or worry about delays. Every detail is handled with precision and creativity, ensuring your project not only reflects your style but also maximizes long-term value and peace of mind. Let us turn your vision into reality.
We secure permits in months, not years, streamlining the approval process so your project moves forward without costly delays.
With over 5M+ sqft designed worldwide, our team blends proven expertise with modern, creative solutions that elevate every project.
No hidden fees and no surprises. Just clarity, respect, and accountability at every stage of design and construction.
We deliver smart, cost-effective approaches that maximize ROI while maintaining high quality and modern design standards.
From precision in compliance to long-term durability, our designs are built with care that adds value well beyond the build.
We stand by you at every step, offering full guidance, transparency, and support whether you build with us or your own contractor.
Real Projects,
Real Results
Los Angeles homeowners and developers trust 121 Design Build to turn ideas into profitable realities. From unlocking rental income with ADUs to maximizing property value with SB9, our clients see tangible returns on their investments. These stories highlight what’s possible when design, permits, and construction support come together under one roof.
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Professional, reliable, and extremely skilled, 121 Design Build Inc. delivered outstanding results on our kitchen and bathroom remodel. They communicated clearly and always showed up on time. We’re so glad we chose them.
The team at 121 Design Build Inc. transformed my vision into reality. Their creativity and professionalism made the entire process enjoyable and stress-free.
121 Design build is one of the most reliable and trustworthy architectural companies that I worked with.
After interviewing multiple companies, we chose 121 Design Build because of their design expertise and transparent process. They delivered exactly what they promised a beautiful, high-quality renovation completed on time and within budget. We especially appreciated how responsive they were to our questions and ideas.
They know what they are doing. Extremely fast, very knowledgeable. I recommend them to all my friends and family.
Frequently Asked Questions
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Ready to build Smarter?
Book your free consultation today and discover how quickly we can turn your ideas into permits and long-term property value. Our team is here to guide you from the first sketch to final approval.