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. leads the way in Passive House construction across Los Angeles, creating high-performance homes that thrive in the Southern California sun. Our expert team combines sustainable materials with advanced energy modeling to deliver luxury residences that reduce carbon footprints and virtually eliminate traditional utility costs.
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Climate & Environmental Considerations
"In Los Angeles, Passive House construction must mitigate intense solar heat gain and the urban heat island effect. Our designs incorporate strategic shading and high-performance glazing to handle extreme Southern California temperatures while ensuring the building envelope remains resilient against seismic activity and provides superior indoor air quality during local wildfire events."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Design & PHPP Modeling
$15,000 - $40,000
$5,000 - $10,000
High-Performance Building Envelope
$300 - $550 per sq. ft.
12% - 18%
ERV/HRV Ventilation Systems
$10,000 - $18,000
$3,000 - $5,000
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Building a Passive House in Los Angeles offers unparalleled thermal comfort and significant energy savings, reducing cooling loads by up to 90%. Custom Green Construction Inc. ensures your home maintains a steady temperature during heat waves while providing superior filtration systems that protect your indoor air quality from coastal smog and wildfire smoke.
While California's Title 24 is among the strictest in the nation, Passive House standards exceed these requirements for energy efficiency. Custom Green Construction Inc. integrates these high-performance metrics to future-proof your Los Angeles home against rising energy costs and stricter future regulations, ensuring long-term value and compliance with local environmental goals.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026