Hawaiian Gardens, like many cities in California, is increasingly focusing on sustainability and eco-friendly practices in construction, including residential projects and ADUs. The city follows California’s Green Building Standards Code (CALGreen), which sets minimum requirements for sustainable construction statewide. This code addresses areas such as planning and design, energy efficiency, water efficiency and conservation, material conservation and resource efficiency, and environmental quality. In residential projects, including ADUs, this translates to several eco-friendly practices. Energy efficiency is a key focus, with requirements for insulation, energy-efficient lighting, and HVAC systems. Water conservation is another important aspect, with regulations promoting low-flow fixtures and water-efficient landscaping. The city encourages the use of sustainable building materials and practices that reduce waste and promote recycling of construction materials. Solar readiness is another consideration, with many new constructions required to be solar-panel ready, even if panels are not immediately installed. Hawaiian Gardens also participates in various county and state-level programs aimed at promoting energy efficiency and renewable energy in homes. For ADU projects, these sustainability considerations can influence design choices, material selection, and construction methods. Homeowners might consider features like solar panels, rainwater harvesting systems, or high-efficiency appliances in their ADU designs. The use of locally sourced, recycled, or sustainable materials is often encouraged. While adhering to these standards may require some additional upfront investment, they often result in long-term savings through reduced utility costs and increased property value. Moreover, eco-friendly construction aligns with the broader community goals of reducing environmental impact and creating more sustainable urban environments.