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 historic preservation in Los Angeles, Southern California, blending time-honored techniques with sustainable practices. We ensure that every project not only respects the architectural heritage but also contributes to a greener future for the city.
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Climate & Environmental Considerations
"Los Angeles' Mediterranean climate presents unique challenges for historic preservation. Custom Green Construction Inc. addresses issues like moisture management to combat mold and wood decay, seismic retrofitting to withstand earthquakes, and material selection to endure temperature fluctuations and UV exposure, ensuring the longevity of preserved structures."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Historic Preservation
$150 - $400 per square foot
10% - 20% additional cost
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Custom Green Construction Inc. integrates sustainable practices such as using reclaimed materials to match original aesthetics, energy-efficient upgrades like insulation and windows, and non-toxic, eco-friendly paints and finishes. We also focus on water conservation and waste reduction during the preservation process to minimize environmental impact while maintaining historical accuracy.
Balancing historical accuracy with modern building codes requires careful planning and expertise. We work closely with historical societies and local authorities to ensure compliance while preserving the building's original character. This involves discreetly integrating modern safety systems, like fire suppression and seismic reinforcements, without compromising the historical integrity.
Opting for a green approach to historic preservation reduces the building's environmental footprint through energy and water efficiency. It also enhances indoor air quality with non-toxic materials, creating healthier living environments. Furthermore, it can qualify projects for tax incentives and grants, making preservation more economically sustainable while preserving cultural heritage.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026