First time on the market in 59 years. Set on one of San Gabriel's most coveted addresses, this stately colonial estate on Country Club Drive offers an unparalleled blend of elegance, scale, and timeless sophistication. Positioned on an expansive 16,635 sq ft lot, the 3,479 sq ft residence boasts 4 spacious bedrooms (including a fireplace in the Suite) and 3 1/2 bathrooms, designed for both grand entertaining and everyday luxury living.A classic facade and manicured grounds make an impressive first statement. Inside, a gracious formal entry sets the tone, revealing beautifully proportioned living and dining rooms enriched by hardwood flooring, intricate mill work, and an effortless sense of refinement. Sunlight pours through the expansive sun room--an ideal space for morning coffee, afternoon reading, or refined indoor-outdoor gatherings.The chef's kitchen combines classic design with modern functionality, featuring premium finishes, custom cabinetry, and seamless flow to the home's main entertaining spaces. Upstairs, a serene primary suite offers two custom large closets.The park-like backyard offers both privacy and possibility--with ample room for a pool, garden retreat, or alfresco entertaining space worthy of the most discerning host. Located just moments from the exclusive San Gabriel Country Club and minutes from upscale shopping, dining, and top-tier schools, this is a rare opportunity to own a legacy property in one of the San Gabriel Valley's premier enclaves.