Los Angeles Custom Home Builder & Residential Design-Build Experts
We create luxury custom homes, major renovations, and fire-resistant residential builds throughout the greater Los Angeles area. Our team blends architectural design excellence with expert construction management to deliver beautiful, resilient spaces built for modern living.
Luxury Residential Design-Build & Custom Home Construction in Los Angeles -
Specializing in Fire-Resistant, Hillside & High-Performance Builds.
Hillside Home Building & Fire-Resistant Construction Experts
Our hillside homes are designed with intentional layouts, strategic lighting, and slip-resistant surfaces, ensuring both safety and comfort in challenging terrain. Every project blends luxury residential design with advanced fire-resistant construction, creating spaces that protect homeowners without sacrificing beauty.
True luxury begins with peace of mind.
We specialize in secure, high-performance hillside construction, integrating safety features seamlessly into the architectural design:
- Steel framing for superior structural strength
- Poured concrete wall systems for durability and fire resistance
- RSG 3D building panel systems for energy efficiency and safety
- Fire-rated materials and defensible site planning tailored to steep-slope environments
Discreet security technologies, smart home systems, and non-combustible building materials work quietly in the background, offering protection that feels natural—not intrusive. From automated suppression systems to refined architectural finishes, every detail is intentionally crafted to deliver a home that is resilient, secure, and built to endure
in the unique conditions of Los Angeles hillside living.
"We boast a vibrant and diverse population in Los Angeles Area and we take immense pride in serving this dynamic community."
~Mike Ross, CEO
Featured Projects
A curated selection of custom homes, additions, and residential rebuilds that reflect our commitment to thoughtful design, quality craftsmanship, and lasting value. Each project is shaped by its site, its purpose, and the people who live there, from complex hillside builds to large-scale renovations across Los Angeles.
Mike came out at least once and often twice each day to personally supervise the job, subcontractors and employees. All work was completed on time as promised. Mike always had helpful advice on how to accomplish what we wanted and worked with us to save money on products for the job. I will recommend Mike and his company to all our friends and family. Ted S
Mike Ross
Entrepreneur • Philanthropist • Author
Mike Ross is a nationally recognised residential construction leader with over 30 years of award-winning experience. The foundation of his success is built on honesty, resilience, and hard work, values that have shaped his leadership and long-term business growth.
He has received 13 Houzz National Design and Service Award nominations, the Qualified Remodeler Top 500 Award, and the Fast Track Fifty Award for fastest-growing company in the Tri-County area. Known for embracing innovation and industry technology, Mike has built design-led, high-performing construction companies.
Beyond business, Mike serves on boards at Pepperdine University, the Los Angeles Sports Council, and LA5 Rotary. A sought-after national speaker on leadership and entrepreneurship, he has also coached teams to three National Titles and seven State Championships, and is the author of three books focused on leadership and performance.
Christine Ross
Managing Partner
Christine Ross is a driven leader in residential construction and Managing Partner of Addition Building & Design. Raised in the industry, she combines hands-on experience with forward-thinking vision, overseeing high-value projects and complex hillside builds with precision and care.
Her professional achievements include recognition from Professional Builder Magazine’s Top 40 Under 40 and active membership in the Beverly Hills Chairman’s Circle and Beverly Hills Women’s Circle. She is currently pursuing a degree in construction law, further strengthening her leadership and industry expertise.
Committed to growth and community impact, Christine brings both ambition and integrity to her role. Beyond her professional work, she remains dedicated to service, supporting charitable initiatives and contributing to organizations that strengthen the communities ABD serves.
Contact Us
For inquiries:
Mike@additionbuildingdesign.com
Christine@additionbuildingdesign.com
As seen on popular publications...
Design-led homes, built to last.
Let’s Build Something Exceptional
Whether you’re planning a custom home, addition, or residential rebuild, our team is here to guide you through every step of the process with clarity, care, and expertise. Get in touch to discuss your project and explore how we can bring your vision to life.
