An extraordinary transformation behind a classic Victorian facade w/ an exceptional exclusive-use outdoor retreat and leased parking nearby. Meticulously remodeled across two levels, 253 San Carlos pairs sophisticated designer finishes with an exceptional investment in modern infrastructure, systems, energy efficiency and smart-home technology. Far beyond a cosmetic renovation, this stunning 3BR/2.5BA residence features Sunrun solar with battery storage, five-zone radiant heating, integrated home automation, enterprise-grade Ubiquiti networking, Ethernet throughout and Sonic fiber connectivity. This beautifully designed living space includes a bay-windowed living room, open dining area and striking walnut chef's kitchen with Viking range, Miele speed oven, generous island and dedicated wet bar. The main-level primary suite offers a sitting area/office, walk-in closet, electric shades, walk-out garden-facing deck and a spacious bathroom flush with luxurious Italian marble, Hansgrohe fixtures and floating double vanity. Downstairs, a spacious media/family room opens through French doors to a spectacular terraced exclusive-use landscaped garden & deck, alongside two additional bedrooms, a dedicated office, full bath and laundry. Multiple patios, lush landscaping, tree ferns and striking board-formed concrete walls create an extraordinary outdoor retreat. Additional upgrades include foundation work, smart lighting, Home Assistant automation, Nest thermostats and doorbells, Ring cameras, tankless water heater and newer windows. A remarkable blend of Victorian character, contemporary luxury and technology-forward living, moments from Valencia Street, Dolores Park and BART.