21078 Willow Heights DR, Diamond Bar, CA 91765 (MLS # WS26108557)

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PRICE $2,498,000 dsIDX morgage calculator
BEDS 5
BATHS 4.5
HOME SIZE 3,312 sqft
LOT SIZE 7,641 sqft

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.

DAYS ON MARKET 48 LAST UPDATED 6/6/2026
YEAR BUILT 2015 COMMUNITY 616 - Diamond Bar
GARAGE SPACES 3.0 COUNTY Los Angeles
STATUS Active PROPERTY TYPE(S) Single Family


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
APPLIANCES Built-In Range, Dishwasher, Refrigerator, Tankless Water Heater
AREA 616 - Diamond Bar
GARAGE Attached Garage, Yes
HEAT Central
HOA DUES 172.18|Monthly
INTERIOR Built-in Features, Entrance Foyer, Granite Counters, Open Floorplan, Pantry, Recessed Lighting, Storage, Walk-In Closet(s)
LOT 7640 sq ft
LOT DESCRIPTION Paved
LOT DIMENSIONS 7642
PARKING Attached, Direct Access, Driveway, Garage, Private
POOL DESCRIPTION None
SEWER Public Sewer
STORIES 2
UTILITIES Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
VIEW Yes
VIEW DESCRIPTION City Lights, Neighborhood
WATER Public
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Listed with Beverly and Company, Inc.

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Based on information from California Regional Multiple Listing Service, Inc. as of 7/4/26 9:15 PM PDT and /or other sources. 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. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information

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