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 Off-Site Manufacturing (OSM) to deliver sustainable, high-efficiency building solutions throughout Los Angeles. Our modular approach significantly reduces urban construction waste while exceeding the rigorous California Green Building Standards Code (CALGreen) for modern Southern California living.
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Climate & Environmental Considerations
"Los Angeles construction must address intense solar heat gain and high seismic activity. Off-Site Manufacturing utilizes precision-engineered components that offer superior seismic resilience and better thermal envelope control than traditional site-built methods, effectively mitigating the urban heat island effect and earthquake risks common in Southern California."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Residential Modular Units
$250 - $450 per sq ft
10-15%
Commercial Panelized Systems
$150 - $300 per sq ft
8-12%
Prefabricated MEP Modules
$40,000 - $85,000
5-10%
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Off-Site Manufacturing in Los Angeles significantly reduces traffic congestion and neighborhood noise by moving the majority of construction to a controlled factory setting. This method accelerates project timelines by up to 50 percent, bypasses local weather delays, and ensures precision quality that meets California's strict seismic safety requirements and high energy efficiency standards.
Yes, Custom Green Construction Inc. ensures all OSM components exceed CALGreen standards. By manufacturing in a controlled environment, we minimize material waste and optimize resource management. Our systems integrate energy-efficient insulation and sustainable materials that help Los Angeles homeowners and developers achieve LEED certification while lowering long-term operational utility costs.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026