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. specializes in sustainable tenant improvements across Los Angeles, delivering eco-friendly commercial build-outs that prioritize energy efficiency and LEED standards. Our expert team transforms retail and office spaces using low-VOC materials and high-performance systems to reduce your environmental impact and operational costs.
"Construction in Los Angeles must address intense solar heat gain and the urban heat island effect through advanced insulation and UV-reflective glazing. Additionally, tenant improvements must comply with strict seismic safety codes and California's Title 24 energy efficiency standards to ensure long-term resilience against heatwaves and drought conditions."
| Service Component | Avg. Market Cost | Green Premium |
|---|---|---|
| Standard Office Build-out | $50 - $150 per sq. ft. | $60 - $185 per sq. ft. |
| Eco-Friendly Retail Renovation | $80 - $200 per sq. ft. | $95 - $240 per sq. ft. |
| Sustainable HVAC & Lighting Retrofit | $15 - $35 per sq. ft. | $20 - $45 per sq. ft. |
* 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
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