
Walnut, California 91789
This Custom-Built Mansion represents a High-Potential Investment Opportunity, listed at $5,280,000—positioned well above the $5,156,982 Fair Market Value by 2%. While priced slightly above market, the estate offers significant long-term value through its 9,094 sqft of living space and 1.2-acre lot. Featuring a lighted tennis court, pool, and private elevator, the property maintains a Fair Condition Rating due to dated interiors. Located in the Walnut Valley Unified School District, this is an ideal acquisition for Buy-and-Hold Investors or Owner-Occupants seeking a prestigious, customizable estate.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 19910 Tennessee Subject | $5,280,000* List Price | 8 | 9 | 9,094 | $567 | - |
A 1468 Pierre Road Active Under Contract | $3,990,000 List Price | 7 | 8 | 7,919 | $504 | 0.2 mi |
* Subject property listed price vs sold prices of comps.
Property is moderate renovation needed.
Built in 1995, the property is approximately 30 years old, placing it in the 'Fair' category based on age. While the estate is exceptionally well-maintained and functional, the kitchen cabinetry, built-in shelving, and overall interior aesthetic are dated and require modern updates to align with current luxury standards.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 55066, living area = 9094.
The expansive 1.2-acre lot features a lighted tennis court, pool, spa, and a tranquil Chinese-style garden, offering an unparalleled private retreat for entertainment and relaxation.
Situated in the prestigious Emerald Hills Estate, the property is served by the award-winning Walnut Valley Unified School District, significantly enhancing long-term value and desirability.
Constructed in 1995, some interior finishes and architectural details may require modernization to align with the expectations of buyers seeking contemporary luxury trends.
The massive square footage and extensive outdoor amenities, including the tennis court and pool, necessitate high ongoing maintenance costs and utility expenses.
Welcome to a world of timeless elegance sophistication. Tucked away in the prestigious Emerald Hills Estate community of Walnut, this custom-built mansion is a architectural gem—designed for those who demand the very best in craftsmanship, privacy, and comfort. A grand private gate and long sweeping driveway accessing two different streets set the stage for this residence, offering over 9,094 square feet of opulent living space seating on 1.26 acres lot and surrounded by other multi-million-dollar custom estates. Grand Interiors. Step through the double doors into a foyer crowned with a crystal chandelier and ceilings. The formal living room exudes warmth and elegance with its cathedral ceiling and fireplace, while the formal dining room provides an for hosting gatherings. The gourmet kitchen is a culinary showpiece, featuring granite countertops, a center island, and stainless-steel appliances—perfectly balancing beauty and functionality. A family room with a custom wet bar offers the ideal backdrop for relaxed entertaining. The mansion boasts a total of 8 bedrooms and 9 bathrooms, including six bedroom suites, and two suites on the main level—ideal for guests or multi-generational living. The primary suite defines, featuring a private sitting area, walk-in closet, fireplace, and a spa-inspired bath retreat that rivals a five-star resort. Entertainment & Relaxation. Every detail has been crafted for a lifestyle of leisure and sophistication. The resort-style backyard is a true sanctuary—complete with a pool and spa with its specified bathroom, waterfall feature, full-size tennis court with lighting, outdoor BBQ pavilion, gazebo, and a garden with a Chinese-style gazebo surrounded by fruit trees and lush landscaping. Recently updated: whole-house remodel in 2021, full fumigation in 2023, and complete whole reroof in 2024. Exceptional Features. Private elevator to all levels. Four-zone central air and heating system. Four-car garage with EV charging prewire. Water softener system. Sauna. Central vacuum and advanced security system. Professionally designed landscaping throughout. Set on a private and quiet cul-de-sac within the award-winning Walnut Valley Unified School District, this residence offers both prestige and convenience—just minutes from fine dining, shopping, and major freeways. A rare opportunity to own one of Walnut's most distinguished estates.
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 8.0 | 4.0 |
| Baths | 9.0 | 3.0 |
| Square foot | 9,094 | 2,103.783 |
| Lot Size | 55,066 | 9,668.804 |
| Price | $5.28M | $1.27M |
| Price per sq ft | $581 | $614 |
| Built year | 1995 | 1982 |
| HOA | $0 | $257 |
| Days on market | 37 | 52 |
Aug 21, 2026
$5,280,000
$5,980,000
-12% Price Drop
Initial Listing
Aug 3, 2026
$5,980,000
Initial Listing
Mar 9, 2011
$1,660,000
Public Record
Jun 29, 1994
$336,000
Public Record