
21819 East Chestnut Court, Walnut, CA 91789
21819 East Chestnut Court, Walnut, CA 91789
Property Description
Value Redefined: A Rare Opportunity. Exceptional value meets luxury architecture and harmonious Feng Shui design in this magnificent, turn-key 2011 custom-rebuilt estate. Crafted for positive energy and abundant natural light, the home welcomes you with grand high ceilings and Swarovski crystal chandeliers in the formal living and dining rooms. The expansive great room features a gourmet chef’s kitchen with a grand granite island, custom cabinetry, and premium KitchenAid appliances, complemented by a private wine cellar with a Sub-Zero refrigerator. High-end craftsmanship defines the space, showcasing elegant crown molding, custom plantation shutters, and rich engineered hardwood floors. The layout offers five spacious bedrooms, including four with tailored custom closets. Outdoors, a custom hillside leads to a private overlook deck boasting panoramic views perfect for 4th of July fireworks. Perfectly located near parks, premier shopping, and dining, the estate falls within the prestigious Walnut Valley Unified School District, consistently ranked in the top 2% nationwide. CONTACT AGENT for more new info effective 11/03
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Walnut · Single Family Residence
Listed 6.9% above the median closed sale of $2,620,000. Closed comps sold at 100% of list — strong seller's market. Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Positioned above the market — commands a premium.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 19668 Three Oaks Lane | Walnut | 2007 | 4 | 5 | 4,571 | 10,299 | $529 | $2.42M | 80 | 69 |
| 19458 Juniper Bnd | Walnut | 2009 | 4 | 5 | 4,521 | 11,131 | $542 | $2.45M | 29 | 65 |
| 22061 Manarola Way | Walnut | 2025 | 4 | 6 | 3,530 | 3,197 | $708 | $2.50M | 116 | 61 |
| 19678 Three Oaks | Walnut | 2007 | 4 | 5 | 4,562 | 10,307 | $612 | $2.79M | 221 | 58 |
| 19599 Highland Terrace Drive | Walnut | 2010 | 6 | 6 | 4,818 | 17,795 | $587 | $2.83M | 578 | 57 |
| Total: 5 · Average | 4.4 | 5.4 | 4,400.4 | 10,545.8 | $595.6 | $2.60M | 204.8 | |||
| Median | 4,562 | $2.50M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19878 Smoke Tree | Walnut | 2009 | 11/18/2025 | 5 | 5 | 3,972 | 9,940 | $2.46M | $2.62M | $660 | 1.06 | 39 | 67 |
| 1509 Sapphire | Diamond Bar | 1999 | 05/06/2026 | 5 | 5 | 4,425 | 10,789 | $2.40M | $2.50M | $565 | 1.04 | 41 | 66 |
| 19458 Raptor Court | Walnut | 2011 | 04/23/2026 | 4 | 5 | 4,404 | 10,042 | $2.55M | $2.45M | $556 | 0.96 | 43 | 62 |
| 19709 Highland Terrace Dr | Walnut | 2010 | 09/22/2026 | 4 | 5 | 4,498 | 13,640 | $2.85M | $2.83M | $628 | 0.99 | 75 | 61 |
| 19679 Highland Terrace | Walnut | 2011 | 05/29/2026 | 4 | 5 | 4,298 | 17,013 | $2.85M | $2.73M | $635 | 0.96 | 147 | 60 |
| Total: 5 · Average | 4.4 | 5.0 | 4,319.4 | 12,284.8 | $2.62M | $2.62M | $608.8 | — | 69 | ||||
| Median | 4,404 | $2.62M | $2.62M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.