21078 Willow Heights
Diamond Bar, CA, 91765
$2,498,000
5 Beds
5 Baths
3,312 SqFt
0.18 Acres
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MLS #WS26108557 image #0
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 $100,00.00 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.

Property Details

Price:
$2,498,000
MLS #:
WS26108557
Status:
Active
Beds:
5
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Jun 6, 2026
Finished Sq Ft:
3,312
Lot Size:
7,642 sqft / 0.18 acres (approx)
Year Built:
2015
616 – Diamond Bar616diamondbarWalnut Valley UnifiedNeighborhood

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Schools

School District:
Walnut Valley Unified

Interior

Appliances
DW, RF, BIR, TW
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
TILE, WOOD
Heating
CF
Interior Features
BI, ST, RECL, TND, GRNC, OFP, PTRY
Laundry Features
IR
Levels
U
Main Level Bathrooms
2
Main Level Bedrooms
1

Exterior

Accessibility Features
NIS, PK
Attached Garage YN
1
Common Walls
NCW
Community Features
SL, PARK
Garage Spaces
3
Green Energy Efficient
APL
Parking Spots
3
Parking Total
3
Patio And Porch Features
CO, POF
Security Features
SS, SD, AG
Spa Features
NO
View
CI, NE

Financial

HOA Fee
$172
HOA Fee Frequency
MO

Map

Community

Market Summary

Current real estate data for Single Family in Diamond Bar as of Jun 07, 2026
105
Single Family Listed
80
Avg DOM
440
Avg $ / SqFt
$1,629,848
Avg List Price

Property Summary

    21078 Willow Heights Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $2,498,000 and features 5 beds, 5 baths, and has approximately 3,312 square feet of living space, and was originally constructed in 2015. The current price per square foot is $754. The average price per square foot for Single Family listings in Diamond Bar is $440. The average listing price for Single Family in Diamond Bar is $1,629,848.

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21078 Willow Heights
Diamond Bar, CA