21078 Willow Heights, Diamond Bar, CA 91765
21078 Willow Heights, Diamond Bar, CA 91765
Property Description
EXPERIENCE THE PINNACLE OF REFINED LIVING IN THIS STUNNING LUXURY RESIDENCE, PERFECTLY SITUATED ON A PREMIUM 7,642 SQFT LOT WITHIN THE EXCLUSIVE GATED COMMUNITY OF WILLOW HEIGHTS AND LOCATED IN THE AWARD-WINNING WALNUT VALLEY UNIFIED SCHOOL DISTRICT. Boasting over $150,00.00 in high-end upgrades and breathtaking 270-degree panoramic view, this house is a masterpiece of design and functionality. Step through the entry, featuring a powder room and deep under-stair storage, into an expansive, sun-drenched open floor plan characterized by recessed lighting, statement chandeliers and elegant tile flooring. The spacious living room effortlessly compliments the adjoining culinary masterpiece. This chef's kitchen features professional-grade GE Monogram stainless steel appliances, including a 6-burner range, oven, dishwasher, wine cooler and built-in refrigerator. The space is anchored by a massive central island with bar seatings, a spacious walk-in pantry and an adjacent dining area perfect of hosting intimate dinners or grand celebrations. The first floor offers a versatile bedroom with walk-in closet and direct bathroom access, ideal for guests or multi-generational living. Ascent the custom hardwood staircase to find a massive loft that serves as a flexible family room, game room or media center. The primary master suite features a large walk-in closet and a spa-like ensuite with a soaking tub, separate shower and private water closet. Additional quarters include two bedrooms sharing a Jack-and-Jill bathroom, a junior suite with its own private bath, a dedicated office/den and a laundry room equipped with a sink, generous storage & cabinetry. Premium upgrades include plantation shutters, customized designer window treatments, tile in all bathrooms/laundry and hardwood flooring throughout the second level, and 12-wired-camera SimpliSafe security system. The interior flows seamlessly to a California Patio, providing a sophisticated space to enjoy the region's idyllic weather and unobstructed views. The meticulously landscaped backyard is a showstopper, featuring elegant light posts and a unique gate designed for additional vehicles or RV storage. Complete with a 3-bay attached garage and solar. Easy access to 57/60 freeways, retail, supermarkets, parks and trails.
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Diamond Bar · Single Family Residence
Listed 52.3% above the median closed sale of $1,640,000. Price per sqft ($754) is a 55% premium to closed comps ($487). 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 21086 Willow Heights | Diamond Bar | 2015 | 5 | 5 | 3,312 | 5,080 | $679 | $2.25M | 92 | 91 |
| 3315 Hawkwood | Diamond Bar | 1978 | 5 | 3 | 3,212 | 8,493 | $434 | $1.40M | 38 | 89 |
| 1112 Summitridge | Diamond Bar | 1987 | 5 | 3 | 3,203 | 6,302 | $498 | $1.59M | 11 | 87 |
| 1823 Cliffbranch | Diamond Bar | 1977 | 5 | 3 | 2,778 | 7,909 | $598 | $1.66M | 109 | 86 |
| 20508 Crestline Dr. | Diamond Bar | 1996 | 4 | 4 | 3,164 | 10,117 | $530 | $1.68M | 14 | 84 |
| Total: 5 · Average | 4.8 | 3.6 | 3,133.8 | 7,580.2 | $547.8 | $1.72M | 52.8 | |||
| Median | 3,203 | $1.66M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3607 Hawkwood | Diamond Bar | 1984 | 05/19/2026 | 5 | 4 | 3,030 | 10,041 | $1.79M | $1.77M | $583 | 0.99 | 54 | 84 |
| 23845 Chinook | Diamond Bar | 1963 | 07/10/2026 | 5 | 3 | 3,166 | 10,668 | $1.20M | $1.19M | $375 | 0.99 | 49 | 80 |
| 1566 Autumn Hill | Diamond Bar | 1977 | 09/04/2026 | 5 | 3 | 2,842 | 10,163 | $1.70M | $1.64M | $577 | 0.96 | 34 | 80 |
| 23675 Bower Cascade | Diamond Bar | 1965 | 05/18/2026 | 4 | 3 | 3,044 | 11,479 | $1.30M | $1.22M | $401 | 0.94 | 89 | 75 |
| 3517 Hawkwood Drive | Diamond Bar | 1984 | 06/29/2026 | 6 | 5 | 3,300 | 8,016 | $1.66M | $1.65M | $500 | 0.99 | 90 | 74 |
| Total: 5 · Average | 5.0 | 3.6 | 3,076.4 | 10,073.4 | $1.49M | $1.49M | $487.2 | — | 63.2 | ||||
| Median | 3,044 | $1.64M | $1.64M | ||||||||||
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.