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 high-performance spray foam insulation to maximize energy efficiency for homes across Los Angeles and Southern California. Our sustainable insulation solutions are specifically engineered to reduce cooling costs and improve indoor comfort in the region's demanding Mediterranean climate.
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Climate & Environmental Considerations
"Construction in Los Angeles must address intense solar heat gain and meet rigorous California Title 24 energy standards. Spray foam is ideal for the local climate because it provides a seamless air barrier that mitigates the 'urban heat island' effect and protects indoor air quality from seasonal wildfire smoke."
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Local Market Pricing (2026)
Service Component
Avg. Market Cost
Green Premium
Closed-Cell Spray Foam
$1.50 - $2.60 per sq. ft.
$0.40 - $0.75
Open-Cell Spray Foam
$1.10 - $1.70 per sq. ft.
$0.25 - $0.55
Attic Retrofit Service
$3,000 - $6,500
$600 - $1,100
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Frequently Asked Questions
Spray foam is highly effective in Los Angeles because it significantly reduces the energy required to cool homes during hot Southern California summers. By providing superior thermal resistance and an airtight seal, it lowers monthly utility bills, increases property value, and ensures compliance with strict local building energy codes.
Eco-friendly spray foam utilizes low-VOC, bio-based materials that eliminate the risk of off-gassing found in traditional insulation. For Los Angeles residents, this creates a healthier home environment by forming a robust barrier against allergens, outdoor pollutants, and particulate matter from wildfires, providing cleaner air for families year-round.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026