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 Passive House construction across Los Angeles, delivering ultra-high-performance homes that significantly reduce energy consumption in Southern California's Mediterranean climate. Our specialized building techniques ensure year-round comfort and exceptional indoor air quality while minimizing the environmental footprint of luxury residential projects.
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Climate & Environmental Considerations
"Los Angeles construction must account for intense solar heat gain and increasing wildfire smoke risks, making airtight envelopes and high-efficiency filtration essential. Additionally, the region's seismic activity necessitates structural resilience integrated with the thermal bridge-free design required for Passive House certification in Southern California."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Comprehensive Passive House Build (New)
$450 - $700 per sq. ft.
10-15% over standard construction
High-Performance Triple-Pane Windows
$1,500 - $3,500 per unit
20-30% premium for specialized glazing
ERV/HRV Ventilation Systems
$5,000 - $12,000
Standard component for Passive House certification
Continuous Exterior Insulation
$15 - $25 per sq. ft.
Integrated into high-performance envelope costs
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Passive Houses in Los Angeles utilize superior insulation, airtight construction, and high-performance windows to block external heat. Combined with energy recovery ventilation (ERV) and strategic shading, these homes maintain consistent, cool indoor temperatures with minimal air conditioning, even during extreme Southern California heat waves, ensuring comfort while drastically lowering utility bills.
Yes, Passive House certification in Southern California offers significant long-term value through 70-90% energy savings and superior indoor air quality, which is critical during wildfire seasons. The rigorous standards increase property resale value and ensure a durable, quiet, and resilient home that outperforms traditional builds in the region's fluctuating climate.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026