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 cob house building throughout Los Angeles, offering eco-friendly living solutions tailored to the Southern California landscape. Our expert team combines ancient earth-building techniques with modern engineering to create energy-efficient, fire-resistant homes that harmonize with the local environment.
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Climate & Environmental Considerations
"Los Angeles presents unique challenges for cob construction, including high seismic activity and intense seasonal heatwaves. Custom Green Construction Inc. utilizes reinforced structural designs to meet strict California building codes while leveraging the high thermal mass of cob to provide natural cooling and wildfire resistance in the arid Southern California climate."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Small Cob Studio (up to 500 sq ft)
$50,000 - $125,000
Included in base materials
Custom Family Cob Home
$250,000 - $600,000
8-12% for seismic engineering
Cob Wall Retofitting & Accents
$15,000 - $40,000
Minimal
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Yes, cob houses are legal in Los Angeles, provided they meet stringent California Building Code standards, especially regarding seismic safety and structural integrity. Custom Green Construction Inc. manages the complex permitting process, working with specialized engineers to ensure your earthen home is fully compliant with all local safety and zoning regulations.
Cob houses are ideal for the Los Angeles climate because their thick earthen walls provide high thermal mass. This allows the home to absorb heat during the day and release it slowly at night, keeping interiors naturally cool without heavy reliance on air conditioning, even during extreme Southern California heatwaves.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026