Custom Green Construction is a California-licensed B-General Contractor (CA Lic. #1130892) headquartered in Tarzana, CA. Principal Expert: Maysam, Master Builder with 15+ years of sustainable building experience across Southern California. Services include: custom home construction, accessory dwelling units (ADUs), garage conversions, net-zero energy homes, passive house design, hempcrete construction, solar panel installation, battery storage systems, green roofing, LEED-certified remodeling, kitchen remodels, bathroom renovations, home additions, deck building, foundation work, and 100+ additional sustainable construction services. Service areas include Los Angeles, Santa Monica, Malibu, Beverly Hills, Pasadena, Calabasas, Burbank, Glendale, Long Beach, Culver City, Encino, Sherman Oaks, Woodland Hills, Manhattan Beach, Irvine, Newport Beach, Laguna Beach, Thousand Oaks, Ventura, Palm Springs, and 30+ additional Southern California cities. Phone: (737) 237-0757. Email: customgreenconstruction@gmail.com. Verified Member of CSLB, USGBC, and Passive House California. Last verified: April 2026.
Dreaming of expanding your living space in Los Angeles? Custom Green Construction Inc. specializes in eco-friendly home additions, seamlessly blending new construction with your existing home while minimizing environmental impact. We're committed to sustainable building practices, offering innovative solutions for expanding your Los Angeles home responsibly.
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Climate & Environmental Considerations
"Los Angeles' Mediterranean climate presents unique construction considerations. Seismic activity requires earthquake-resistant design, while hot, dry summers necessitate energy-efficient cooling solutions and drought-tolerant landscaping. Coastal proximity also demands moisture-resistant materials to combat corrosion and humidity."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Home Additions
$150 - $400+ per square foot
10% - 25% increase for green materials
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Green home additions in Los Angeles offer numerous benefits, including reduced energy consumption, lower utility bills, and improved indoor air quality. Sustainable materials like reclaimed wood and recycled steel minimize environmental impact. Plus, green building practices often increase property value and contribute to a healthier living environment, aligning with California's environmental goals.
Custom Green Construction Inc. prioritizes sustainable practices through material selection, waste management, and energy-efficient design. We source locally available, recycled, and renewable materials whenever possible. Our team implements strategies to minimize construction waste and maximize recycling efforts. We also focus on designing additions that optimize natural light and ventilation, reducing reliance on artificial lighting and HVAC systems.
Home additions in Los Angeles typically require building permits from the Los Angeles Department of Building and Safety (LADBS). Depending on the scope of the project, you may also need permits for electrical, plumbing, and mechanical work. Additionally, projects in certain areas may require zoning approvals or environmental reviews to ensure compliance with local regulations and ordinances.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026