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.
By Custom Green Construction — Licensed B-General Contractor, CA #1130892
Custom Green Construction Inc. leads Los Angeles in net-zero energy retrofits, helping homeowners achieve total energy independence through sustainable building practices. Our Southern California experts combine solar integration with high-performance insulation to create eco-conscious living spaces that thrive in the coastal climate.
"Los Angeles projects must account for high seismic activity and extreme heat cycles. Net-zero retrofits prioritize cool-roof technology and thermal mass management to combat the urban heat island effect, ensuring structures remain energy-efficient despite rising temperatures and peak demand on the Southern California Edison grid."
| Service Component | Avg. Market Cost | Green Premium |
|---|---|---|
| Solar Photovoltaic Systems | $18,000 - $32,000 | $22,000 - $40,000 |
| High-Performance Windows | $1,200 - $2,500 per unit | $1,800 - $3,500 (Triple Pane) |
| Air Sealing & Insulation | $3,000 - $6,500 | $5,000 - $9,000 |
* Estimates are based on AI market analysis for Los Angeles and may vary based on specific site conditions.
Answered by Custom Green Construction — Licensed B-General Contractor, CA #1130892 · Last updated March 2026
Schedule a consultation for your Net-Zero Energy Retrofits project in Los Angeles.