Rare Central Richmond Trophy Property on an Unprecedented Double Lot. An extraordinary 1922 Edwardian-era residence nestled in SF's highly coveted Central Richmond district. Offering a sprawling 2,430+/-sf of living space situated on a massive 5,685+/- sf double lot with an expansive 45.5+/-sf st frontage, this property represents a generational investment opportunity with unmatched development upside. The main level spans 1,980+/- sf, offering an elegant layout that effortlessly blends classic architectural character with major capital improvements. Home features pristine structural integrity, highlighted by a comprehensive 2020 infrastructure overhaul including a complete down-to-the-rafters roof replacement with new 30-year shingles, new gutters, & fresh interior/exterior paint. A heavy-duty 3-car drive-through garage provides rare vehicle capacity & unparalleled utility/storage space. Income & Multigenerational Flexibility: The lower level hosts a private 450+/- sf studio bedroom complete with its own kitchenette & full bath perfect for an independent adult or guest suite. It is fully wired for an independent heat pump/AC system with dedicated side-alley clearance. With the simple addition of an exterior entrance & proper permitting, this space potentially yields a seamless path to a fully legalized ADU. Mechanical & Efficiency Upgrades: Electrical(2020): Full house rewire from the PG&E transformer forward, featuring a new meter, robust 200-amp service, & a dedicated backup generator connection(hookup only)HVAC (2023): High-efficiency 80% AFUE gas furnace with insulated ducting, a new chimney liner, & a programmable smart thermostat. Plumbing: Excellent condition boasting powerful 65 psi main water pressure, paired with modern eco-friendly flow-restriction fixtures for water conservation. Unmatched Development Potential: Zoned RH2 with a 40-foot height limit, this parcel is a developer's dream. Under San Francisco's active Housing Opportunity Ordinance, this oversized lot is positioned for significant density exceptions, allowing for a transformation of up to 4 units plus additional ADU potential. (Buyer to verify). With a nearby 3,001+/- sf vacant lot recently commanding nearly $500/sf ($1.495M), the intrinsic land value of this 5,685+/- sf footprint alone is staggering, whether you choose to preserve this grand single-family estate with a massive private yard, construct a multi-unit compound, or expand upward to capture sweeping neighborhood view