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Contemporary Residential Architects in San Mateo
At LSH Architects, we specialize in crafting contemporary residential spaces that harmonize functionality with artistic design. With over 25 years of experience, our firm focuses on creating custom homes, renovations, and additions tailored to modern lifestyles. Our collaborative approach ensures each project reflects the client's vision while integrating sustainable materials and energy-efficient solutions. Led by principal architect Lori Hsu, we combine technical precision with creative artistry to deliver timeless, site-specific designs.

Our work emphasizes natural light, open spaces, and seamless indoor-outdoor connections, resulting in homes that are both aesthetically striking and deeply personal. We serve clients across California and select locations nationwide, navigating local regulations to ensure smooth project execution from concept to completion.
Services
Contemporary Custom Homes Renovations and Additions Residential Architects Sustainable Design Site-Specific Architecture Modern Residential Renovation Custom Home Design Green Building Solutions Permit Acquisition Assistance Collaborative Design Process
Highlights and features
  • We offer 25+ years of experience in contemporary residential architecture.
  • Our collaborative process ensures designs reflect client lifestyles and aspirations.
  • We integrate sustainable materials and energy-efficient solutions into every project.
  • Principal architect Lori Hsu personally oversees all design and construction phases.
  • We specialize in navigating complex local building codes and permit processes.
What people say
Amazing experience Transformed our lives Brilliant solutions Elegant modern design Top architect
Services
Contemporary Custom Homes
We design bespoke contemporary homes that reflect individual client needs and lifestyles. Our approach combines innovative spatial planning with sustainable materials and energy-efficient systems. Each project emphasizes natural light, open floor plans, and seamless integration with surrounding landscapes to create enduring, functional spaces.
Renovations and Additions
Our renovation services transform existing structures into modern, functional living spaces. We specialize in updating outdated homes while preserving architectural integrity. Projects include kitchen and bathroom upgrades, structural expansions, and energy-efficient retrofits that enhance both aesthetics and daily usability.
Sustainable Design
We incorporate eco-friendly practices into every project through material selection, passive solar design, and energy-efficient systems. Our sustainable approach reduces environmental impact while creating healthier living environments. Features include natural ventilation, daylight optimization, and locally sourced, renewable resources.
Collaborative Design Process
Our process begins with in-depth client consultations to understand lifestyle needs and aesthetic preferences. We use 3D modeling and iterative design reviews to ensure client involvement throughout every phase. This collaborative approach guarantees final designs align perfectly with client expectations and site conditions.
Permit Acquisition Assistance
We navigate complex local building codes and zoning regulations to streamline permit approvals. Our expertise in California's regulatory environment ensures compliance while minimizing delays. This service covers submittal preparation, agency coordination, and resolution of technical requirements during construction.
People
Lori Hsu
Principal Architect
Lori Hsu, founder of LSH Architects, brings 25+ years of experience in contemporary residential design. Trained at Harvard, she merges East Coast rigor with West Coast innovation, specializing in light-filled, sustainable homes. Her hands-on approach ensures each project reflects client visions and site-specific contexts.
Questions
What types of projects does LSH Architects specialize in?
We focus on contemporary custom homes, renovations, and additions for residential clients. Our expertise includes modernizing existing structures and creating sustainable, site-specific designs tailored to client lifestyles.
How does LSH Architects approach the design process?
We begin with detailed client consultations to understand needs and preferences. Using 3D modeling and iterative reviews, we develop designs collaboratively, ensuring alignment with client vision and practical functionality throughout every project phase.
Do you work outside the San Francisco Bay Area?
While based in San Mateo, we've completed projects in Massachusetts, Washington, Alabama, and other locations. Our experience navigating diverse regulatory environments allows us to serve clients nationwide with the same personalized attention.
What sustainable design practices do you incorporate?
We prioritize passive solar design, natural ventilation, and locally sourced materials. Our projects integrate energy-efficient systems, daylight optimization, and water-saving features to minimize environmental impact while enhancing occupant comfort.
How does LSH Architects handle permit approvals?
We manage the entire permitting process, including submittal preparation and agency coordination. Our deep knowledge of California regulations ensures compliance and expedites approvals, reducing delays for our clients.