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.
Custom Green Construction Inc. specializes in eco-friendly barndominium construction across Los Angeles, blending modern industrial aesthetics with sustainable building practices. Our Southern California team delivers energy-efficient, fire-resistant steel homes tailored to the unique landscape and strict building codes of Los Angeles County.
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Climate & Environmental Considerations
"In Los Angeles, barndominiums must address extreme heat, seismic activity, and wildfire risks. Custom Green Construction utilizes high-performance insulation for thermal regulation and specialized structural steel engineering to ensure compliance with strict California seismic codes and Wildland-Urban Interface (WUI) fire safety standards to protect your investment."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Basic Steel Shell Construction
$100,000 - $185,000
$12,000 - $18,000
Full Turnkey Green Build
$350,000 - $600,000
$30,000 - $50,000
Solar Integration & HVAC
$30,000 - $65,000
Included in System Cost
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Building a barndominium in Los Angeles typically takes 6 to 12 months. This timeline includes the comprehensive permitting process required by the City or County, site preparation, and the assembly of the steel structure. Custom Green Construction streamlines this by using prefabricated components, significantly reducing onsite labor time.
Yes, barndominiums are legal in Los Angeles County provided they meet local zoning, Title 24 energy requirements, and seismic safety standards. Custom Green Construction ensures every project adheres to California's strict residential building codes, making these steel-frame homes a durable, safe, and sustainable housing alternative for Southern California residents.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026