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.
Looking to add an Accessory Dwelling Unit (ADU) to your Los Angeles property? Custom Green Construction Inc. specializes in building sustainable and eco-friendly ADUs that enhance your living space while minimizing environmental impact. We're dedicated to providing innovative green building solutions tailored to the unique needs of Southern California homeowners, ensuring your ADU is both beautiful and environmentally responsible.
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Climate & Environmental Considerations
"Los Angeles's Mediterranean climate presents unique construction considerations. Wildfires are a significant threat, necessitating fire-resistant building materials and design. The region is also prone to earthquakes, requiring adherence to strict seismic building codes. Additionally, water conservation is crucial due to drought conditions, making water-efficient landscaping and plumbing systems essential for sustainable ADU construction."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
ADU Construction (Standard)
$250,000 - $450,000
10% - 20%
ADU Design & Permitting
$15,000 - $30,000
5% - 10%
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Green ADUs offer numerous benefits, including reduced energy and water consumption, lower utility bills, and improved indoor air quality. Sustainable materials minimize environmental impact, while features like solar panels and rainwater harvesting can further enhance resource efficiency. Green ADUs also increase property value and contribute to a healthier, more sustainable Los Angeles community.
Custom Green Construction Inc. prioritizes sustainable practices through every phase of ADU construction. We utilize eco-friendly materials, such as recycled content insulation and sustainably sourced lumber. Our designs incorporate energy-efficient features like passive solar heating and cooling, and we minimize construction waste through careful planning and material reuse.
ADU construction in Los Angeles requires several permits, including building permits, electrical permits, plumbing permits, and mechanical permits. Depending on the scope of the project, additional permits may be needed for grading, landscaping, or fire safety. Custom Green Construction Inc. assists clients in navigating the permitting process to ensure full compliance with local regulations.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026