Historic 1909 Capitol Hill Mansion in Seattle, Washington For $5.35 Million

1409 E Prospect St, Seattle, WA 98112

Standing proudly on one of Capitol Hill’s most distinguished streets, 1409 East Prospect Street offers a rare opportunity to own one of Seattle’s architectural treasures. Listed at $5,350,000, this 1909 mansion has long been recognized as one of the city’s most significant homes, celebrated for its grandeur, craftsmanship, and enduring elegance. With 9,330 square feet of living space, seven bedrooms, six and a half bathrooms, and a half-acre of lush, gated gardens, this estate represents the pinnacle of early 20th-century architecture thoughtfully updated for modern living.

From the moment you arrive, the home makes its presence known. Nestled behind mature plantings and secure gates, the mansion commands attention with its broad porches, stately columns, ornate cornices, and historic charm. The port-cochere, carriage house, and garage further enhance the sense of formality and function, creating a residence that is both welcoming and impressive. Few homes in the Seattle real estate market manage to balance architectural authenticity with modern practicality so seamlessly, but this property has mastered that art.

Step inside, and the craftsmanship of another era immediately becomes apparent. The central mahogany foyer greets visitors with warmth and refinement, its grand staircase rising gracefully to the upper floors. Rich wood tones, intricate details, and soaring ceilings create an atmosphere of timeless sophistication. The substantial drawing room, complete with a music alcove and attached office, sets the stage for both lively gatherings and quiet reflection. Designed for a time when entertaining was central to home life, these spaces still resonate with charm while adapting effortlessly to contemporary lifestyles.

The formal dining room is a showpiece in itself. Adorned with hand-painted murals, oak wainscotting, and original Tiffany pendants, it evokes a sense of history that few properties can claim. The dining room flows directly into the breathtaking kitchen, a space where historic character and modern updates coexist beautifully. While the home honors its past, it has also embraced the needs of today’s homeowners, offering functionality without sacrificing elegance.

On the upper levels, the home becomes more intimate. Bedrooms and sitting rooms provide private retreats, each infused with character and light. The primary suite, alongside additional office space, offers flexibility for modern families balancing work and home life. Period details are complemented by thoughtful updates, ensuring that the home remains as comfortable as it is beautiful.

The lower level expands the living possibilities even further. Here, entertainment takes center stage, with a billiards and media area that invites relaxation and recreation. A wine room adds another layer of luxury, reflecting the current trend of integrating lifestyle amenities directly into the home. Whether hosting a gathering or enjoying a quiet evening, this level ensures that the mansion adapts to every occasion.

The exterior grounds are no less impressive. Spread across more than half an acre, the landscaped gardens provide a sanctuary in the heart of the city. Mature plantings, expansive lawns, and elegant outdoor spaces create an atmosphere of serenity and privacy. The gardens are designed for both leisure and grandeur, whether strolling through shaded paths, entertaining on the wide porches, or simply enjoying the calm that only such a rare property can provide.

For those with an appreciation for history, 1409 East Prospect Street is not just a home—it is a piece of Seattle’s story. Built at a time when Capitol Hill was becoming the city’s premier residential district, this mansion has witnessed over a century of transformation while maintaining its dignity and presence. The architectural details—from its columns to its cornices—speak to the craftsmanship of the early 1900s, when homes were built as enduring legacies.

Yet while the house is firmly rooted in the past, it has been carefully adapted to the present. The blend of formality and warmth ensures that it feels neither like a museum nor a relic, but rather a vibrant home designed for contemporary life. This harmony between eras is what makes the property so unique in Seattle’s luxury home market. It offers the authenticity of history with the comforts of today, a combination few residences achieve.

Capitol Hill itself amplifies the mansion’s appeal. Known for its tree-lined streets, historic architecture, and cultural vibrancy, the neighborhood is one of Seattle’s most coveted. Residents enjoy proximity to Volunteer Park, a cultural hub with museums and green spaces, as well as easy access to downtown. For those who value both community and privacy, this location delivers the best of both worlds. Owning a property here is not just about square footage or acreage—it is about joining a tradition of prestige and character.

In the broader real estate market, homes like this are exceedingly rare. Newer builds may offer space and technology, but few can replicate the authenticity and grandeur of a century-old mansion. This property is not simply a house for sale; it is an opportunity to own a landmark, to steward a piece of Seattle’s heritage while enjoying the comforts of luxury living. For discerning buyers, that combination is priceless.

Inside and out, 1409 East Prospect Street is a masterclass in timeless elegance. From the mahogany foyer to the hand-painted murals, from the manicured gardens to the inviting porches, every detail contributes to an atmosphere of significance. Yet the home never feels untouchable—it is warm, livable, and inviting. It is designed not just to impress, but to be lived in, loved, and passed down.

For families, the layout provides both communal and private spaces, allowing for connection as well as retreat. For entertainers, the dining room, drawing room, and lower-level billiards area offer endless possibilities. For professionals, the office spaces create quiet sanctuaries for productivity. And for anyone who values history, the home provides the rare chance to inhabit a space that has witnessed over a century of Seattle’s evolution.

As a property, this mansion embodies what luxury real estate should be: not just square footage or high-end finishes, but a complete experience that blends history, architecture, and lifestyle. At $5,350,000, it represents an extraordinary opportunity in the Seattle market—an investment in both a home and a legacy.

For those seeking more than just another house, 1409 East Prospect Street offers an unmatched proposition. It is a residence of scale, character, and elegance, set within one of the city’s most distinguished neighborhoods. To live here is to embrace both the sophistication of an earlier era and the comforts of today, surrounded by beauty at every turn.

Opportunities like this seldom arise, and when they do, they capture the imagination of anyone who values timeless design and enduring quality. For the buyer ready to step into history while enjoying all the benefits of modern living, this Capitol Hill mansion stands ready to welcome its next chapter.

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