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. provides industry-leading sustainable design-build services in Los Angeles, specializing in eco-friendly home transformations and high-performance new builds. Our integrated project delivery model streamlines construction across Southern California, ensuring your home meets rigorous energy efficiency standards while featuring modern, resilient architectural design.
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Climate & Environmental Considerations
"Construction in Los Angeles must address intense UV exposure, recurring drought cycles, and significant seismic risks. Our design-build approach prioritizes high-reflectivity cool roofs to mitigate urban heat islands, greywater recycling systems for water conservation, and advanced seismic retrofitting to ensure structural longevity in Southern California's unique environmental landscape."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Eco-Friendly Kitchen Remodel
$45,000 - $95,000
12% - 18%
Sustainable Full Home Design-Build
$350 - $650 per sq. ft.
10% - 15%
Green ADU Construction
$150,000 - $320,000
8% - 14%
High-Performance Bathroom Renovation
$25,000 - $55,000
15% - 20%
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
The design-build model provides a single point of accountability, which is crucial for complex green projects. By integrating architects and builders from the start, we ensure that energy-efficient systems and sustainable materials are feasible within your budget, while accelerating the permitting process required by Los Angeles' strict environmental building codes.
Green materials like thermal mass flooring and low-E windows are specifically designed to manage the Southern California heat, drastically reducing air conditioning reliance and utility bills. Additionally, non-toxic materials improve indoor air quality, creating a healthier living space while increasing the overall property value in the competitive Los Angeles real estate market.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026