State law updates through 2025 reduced barriers to ADUs and JADUs, and Los Angeles issued updated guidance to align local rules. The hottest ADU designs rent fast when they balance daylight, sound control, durable finishes, and compact luxury in the 400–800 sq ft range.

LA homeowners want shade, year-round dining, and low-water landscapes. 2025 trends pair pergolas, fire features, and compact lap pools with permeable paving and native plants. Smart lighting and outdoor kitchens stretch living space and add value while meeting water and energy goals.