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. is the premier provider of Flat Roof Systems in Los Angeles. We combine sustainable building practices with luxury craftsmanship to deliver homes that are both beautiful and energy-efficient. Our team specializes in navigating the specific zoning and climate requirements of the Los Angeles area.
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Climate & Environmental Considerations
"Building in Los Angeles requires specific attention to thermal mass and insulation due to the local microclimate. We implement advanced passive cooling strategies to minimize HVAC dependency, essential for Southern California's warm summers."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Standard Build
$400-$500/sq.ft
Base
High-Performance / Passive
$550-$700/sq.ft
+15-20%
Net-Zero Ready
$600+/sq.ft
+25%
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Costs typically range from $450 to $700 per sq. ft. depending on finishes and sustainability goals. Our green building methods often reduce long-term operational costs by up to 60%.
Yes, we handle the entire permitting process, ensuring full compliance with local green building codes and Title 24 energy requirements.
We maximize energy efficiency through passive design, use non-toxic sustainable materials (like hempcrete or bamboo), and integrate renewable energy systems to achieve Net-Zero or Passive House standards.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026