556 E Las Flores A rare rebuild opportunity on a beautiful, established street in the coveted Altadena. This generous, mostly flat lot measures approx. 114 ft of frontage by 172 ft of depth—nearly 20, 000 SF—offering an ideal footprint for a custom residence or Senate Bill plan……North-facing orientation captures sweeping canyon and city-light views, creating a dramatic backdrop for indoor-outdoor living. Previously enjoyed as an equestrian property, the site offers excellent usability and flexibility for a thoughtful new build. In addition to a single-family estate, the property may offer potential for a multi-unit configuration under California California Senate Bill (buyer to verify eligibility, zoning, and all development requirements with the City). Convenient access to the 210 & 134 freeways and moments to Jet Propulsion Laboratory, Art Center College of Design, and Old Pasadena, plus nearby trails in the San Gabriel Mountains. Phase 1 and Phase 2 have been completed.