18455 Half Moon Street, Sonoma, CA 95476, Sonoma, 95476 - 5 bed, 6 bath
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Sonoma, CA 95476
Analysis of 18455 Half Moon Street, Sonoma, CA 95476 is currently available with a list price of $7,800,000. The property maintains a Good Condition Rating (78/100), reflecting solid structural condition with well-maintained systems. The property presents an attractive opportunity for buyers seeking a move-in ready home. Located in a high-demand neighborhood within the Sonoma Unified School District, this asset is categorized as a low-risk, high-reward acquisition suitable for both Buy-and-Hold Investors and Owner-Occupants willing to undertake light renovation work.
Property is move-in ready.
Built in 2005, this luxury estate is in exceptional, move-in-ready condition with high-end custom finishes including wide-plank wood flooring, plaster walls, and vaulted wood-beamed ceilings. The kitchen is well-equipped with premium professional-grade appliances and a unique live-edge walnut island. While the property is meticulously maintained and features timeless Mediterranean styling, its 20-year age and lack of a recent full-scale renovation place it firmly in the 'Good' category according to the provided criteria.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 272250, living area = 5736.
The property features an extraordinary landscape including a pond with a lighted fountain, floating islands, and extensive gardens, offering a private sanctuary for high-end entertaining.
A rare in-ground wine cellar crafted with native rock and a high-end kitchen with a live edge walnut island provide unique luxury elements that cater to the sophisticated Sonoma lifestyle.
The expansive 6.25-acre lot, complex water features, and diverse botanical gardens will require substantial ongoing upkeep and professional management costs.
At an $8.2 million price point, the 2005 construction may face stiff competition from newer, ultra-modern estates that offer more contemporary architectural trends and integrated smart-home technology.
The minute you arrive at this property you're immediately immersed in the peaceful, natural surroundings. The main house boasts spacious bedrooms with ensuite bathrooms, a tranquil primary suite, and an open living area with a four way fireplace. The kitchen features an island with a live edge walnut top, premium appliances and a walk-in pantry. A separate guest housesits above the four car garage and has a treehouse feel as you take in the gorgeous surroundings from the wraparound balcony. A rare find is the in-ground wine cellar. This space can hold an impressive collection of wine and features native rock from around the property. The outdoor entertaining areas are spectacular with an expansive stone patio overlooking the pond complete with a lighted fountain and floating islands. The gardens and landscaping are truly breathtaking with an incredible variety of plants, flowers, fruit and citrus trees and more.18455 Half Moon Street holds a sense of magic that cannot be found elsewhere.
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 5.0 | 3.0 | 93% |
| Baths | 6.0 | 2.0 | 95% |
| Square foot | 5,736 | 1,680 | 96% |
| Lot Size | 272,250 | 7,671 | 95% |
| Price | $7.80M | $875.0K | 98% |
| Price per sq ft | $1.4K | $561 | 95% |
| Built year | 2005 | 1977 | 90% |
| HOA | $0 | $0 | 50% |
| Days on market | 210 | 215 | 49% |
Apr 10, 2026
$7,800,000
$8,200,000
-5% Price Drop
Initial Listing
Sep 24, 2025
$8,200,000
Initial Listing
Apr 29, 2004
$2,650,000
Public Record