23240 Ridge Line, Diamond Bar, CA 91765
23240 Ridge Line, Diamond Bar, CA 91765
Property Description
Highly motivated seller ready to make a quick sale-bring your serios offers today! Located within Diamond Bar’s prestigious guard-gated community of "The Country," this magnificent custom estate offers an extraordinary blend of luxury, scale, and breathtaking mountain views. Spanning an expansive '7,884 sq. ft."' of living space, the residence features "6 bedrooms and 8 bathrooms", along with a convenient elevator servicing all 4 levels plus an upper loft. Designed for grand entertaining and modern living, the home highlights " a rare indoor basketball court with high ceilings"—easily adaptable into a grand game room, home theater, or entertainment hall. Step outside to your private resort-style oasis complete with " an infinity pool "overlooking stunning canyon and mountain vistas. Zoned for the highly acclaimed Walnut Valley Unified School District, this exceptional property delivers ultimate privacy and prestige. Exceptional value and priced for a quick sale.
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 0 active · 5 closed
Diamond Bar · Single Family Residence
Listed 5.9% above the median closed sale of $2,900,000. Price per sqft ($389) is a 29% discount to closed comps ($545). Closed comps sold at 90% of list — buyers have negotiating leverage. Expect a longer timeline — comps averaged 176 days on market. Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Positioned above the market — commands a premium.
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2677 Wagon Train Lane | Diamond Bar | 1977 | 12/11/2025 | 6 | 10 | 6,013 | 46,157 | $3.20M | $3.14M | $522 | 0.98 | 74 | 79 |
| 23615 Falcons View Drive | Diamond Bar | 1981 | 04/30/2026 | 5 | 6 | 6,078 | 85,082 | $3.88M | $2.90M | $477 | 0.75 | 329 | 71 |
| 22536 Ridge Line Road | Diamond Bar | 1978 | 12/09/2025 | 5 | 5 | 4,809 | 52,956 | $2.89M | $2.79M | $580 | 0.96 | 126 | 67 |
| 2640 Shady Ridge | Diamond Bar | 1987 | 02/03/2026 | 5 | 4 | 4,099 | 59,809 | $2.97M | $2.70M | $659 | 0.91 | 85 | 62 |
| 2862 Oak Knoll Drive | Diamond Bar | 1997 | 12/24/2025 | 6 | 6 | 6,506 | 35,186 | $3.48M | $3.16M | $486 | 0.91 | 267 | 62 |
| Total: 5 · Average | 5.4 | 6.2 | 5,501 | 55,838 | $2.94M | $2.94M | $544.8 | — | 176.2 | ||||
| Median | 6,013 | $2.90M | $2.90M | ||||||||||
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.