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 sustainable historic preservation across Los Angeles, blending architectural heritage with modern eco-friendly technologies. Our team ensures that iconic Southern California structures are restored using energy-efficient materials that honor original aesthetics while meeting today's rigorous green building standards.
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Climate & Environmental Considerations
"Los Angeles' Mediterranean climate presents unique challenges, including intense UV exposure that degrades traditional materials and seismic activity requiring structural resilience. Preservation projects must also address the urban heat island effect by integrating cool roofs and thermally efficient insulation within historic envelopes to reduce cooling demands."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Historic Façade Restoration
$15,000 - $55,000
10-15%
Eco-Friendly Seismic Retrofitting
$8,000 - $30,000
5-12%
Sustainable Window Rehabilitation
$1,500 - $4,000 per unit
15-20%
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
We utilize reclaimed materials and low-VOC finishes that mimic historical textures while improving indoor air quality. By integrating high-performance insulation and solar-ready systems discreetly, we maintain the Los Angeles Office of Historic Resources guidelines while significantly reducing the carbon footprint and long-term operational costs for local property owners.
Sustainable preservation in Southern California offers dual advantages: preserving cultural heritage and qualifying for local incentives like the Mills Act. By upgrading historic Los Angeles homes with energy-efficient windows and xeriscaping, owners enjoy lower utility bills and increased property value while contributing to California’s ambitious climate goals and regional water conservation efforts.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026