21078 Willow Heights, Diamond Bar

$2,498,000

5 bd · 4.5 ba · 3,312 sqft · Home · Diamond Bar · 86 days on market

Updated August 10, 2026

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Key Facts

Price / SqFt
$754
Property Type
Home
Year Built
2015
Lot Size
7,642 sqft
Garage
3 cars
Stories
2
HOA
$172/mo
Days on Market
86
Listed
May 17, 2026
MLS #
WS26108557
Status
Active

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About this home

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.

Highlights

  • 5-bedroom, 4.5-bath home.
  • 3,312 square feet of living space.
  • Located in Diamond Bar.

Price History

DatePriceChange
Aug 10, 2026$2,498,000
Listed May 17, 2026

Location

About Diamond Bar

Active Listings
83
Median Price
$1,136,800
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Estimate a Monthly Payment

Estimated Monthly Payment

$16,314/mo

Includes estimated taxes and insurance at the assumption rates below. HOA dues are not included — enter your community's HOA (varies widely by community, and absent from listing data) for an accurate total.

Principal & Interest
$13,295
Property Tax
$2,290
Insurance
$729
HOAnot included — enter your dues
$0

Estimate only — not a loan offer or rate quote. Confirm actual figures with a lender.

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Listing courtesy of Beverly and Company, Inc.

Based on information from California Regional MLS as of 2026-08-11T01:12:07.387Z. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS.