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21078 Willow HeightsDiamond Bar, CA 91765

Single Family · 5 Beds · 4 Full Baths · 1 Half Bath · 3,312 Sq. ft. | 0.18 Acres
$2,498,000 Active

21078 Willow Heights Overview

Time on Site:
41 days
Visits:
1

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.

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21078 Willow Heights Facts & Features

  • Type Single Family
  • Sq. ft. 3,312
  • Price/Sq.ft. $754
  • Lot 0.18 Acres

Details

General

Association/HOA

  • Association Amenities: Other
  • Association Fee: 172.18
  • Association Fee Frequency: Monthly
  • Association Name: Willow Heights Homeowners Association
  • Association: Yes
  • Common Interest: Planned Development

School Information

  • School District: Walnut Valley Unified

Green Features

  • Green Energy Efficient: Appliances
  • Green Energy Generation: Solar

Listing Information

  • Contingency: None

Building Information

  • New Construction: No
  • Year Built: 2015

Location/Region

  • Country: US
  • County Or Parish: Los Angeles
  • MLS Area Major: 616 - Diamond Bar
  • Postal City: DIAMOND BAR

Community/Development

  • Community Features: Park,Street Lights

Rent/Lease Information

  • Land Lease: No
  • Lease Considered: No

General Information

  • Listing Terms: Cash,Cash to New Loan,Conventional
  • Parcel Number: 8714031017
  • Property Condition: Turnkey
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 3.0
  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total: 5
  • Bedrooms Total: 5

General Information

  • Accessibility Features: No Stairs,Parking
  • Appliances: Built-In Range,Dishwasher,Refrigerator,Tankless Water Heater
  • Common Walls: No Common Walls
  • Electric: Electricity - On Property
  • Entry Level: 1
  • Entry Location: Main
  • Fireplace Features: None
  • Fireplace: No
  • Flooring: Tile,Wood
  • Interior Features: Built-in Features,Granite Counters,Open Floorplan,Pantry,Recessed Lighting,Storage,Tandem,Bedroom on Main Level,Entrance Foyer,Jack and Jill Bath,Loft,Primary Suite,Walk-In Pantry,Walk-In Closet(s)
  • Laundry Features: Laundry Room
  • Levels: Two
  • Living Area: 3312.0
  • Living Area Source: Assessor
  • Living Area Units: Square Feet
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 1
  • Security Features: Security System,Security Gate,Smoke Detector(s)
  • Spa Features: None
  • Spa: No
  • Stories: 2
  • Stories Total: 2

Exterior

Parking Information

  • Parking Features: Direct Access,Driveway,Garage,Private,RV Potential
  • Parking Total: 3.0

Lot Information

  • Additional Parcels: No
  • Lot Features: Paved,Sprinkler System
  • Lot Size Acres: 0.1754
  • Lot Size Area: 7642.0
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 7642.0
  • Lot Size Units: Square Feet
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

    Building Exterior/Construction

    • Attached Garage: Yes
    • Patio And Porch Features: Covered,Front Porch
    • Property Attached: No
    • Structure Type: House

    General Information

    • Number Of Units Total: 1
    • Pool Features: None
    • Pool Private: No
    • Sewer: Public Sewer
    • Utilities: Electricity Connected,Natural Gas Connected,Sewer Connected,Water Connected

    21078 Willow Heights Neighborhood

    Community

    91765 (Diamond Bar) Demographics

    44
    Median Age
    2,444
    Population Density (per sq. mile)
    63%
    College Educated
    $101,161
    Estimated Median Income
    11,360
    Estimated Total Home Owners
    3,514
    Estimated Total Renters
    76% / 24%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    21078 Willow Heights Monthly Cost

    $
    $ %
    %
    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    21078 Willow Heights Market Data

    Based on the last 30 days in this zip code

    $1,521,743
    Average List Price
    $574
    Average Price per Square Foot
    32
    Properties Sold
    67
    Average Days on Market
    350
    Properties for Sale
    Calculations provided by Reliance Network

    21078 Willow Heights History

    Date Event Value Agent
    6/6/2026Source: CRMLS Status Change
    Active
    5/19/2026Source: CRMLS Added to Database
    May 19, 2026
    Listing provided courtesy of Beverly and Company, Inc.ALICE LIM- MLS# WS26108557MLS ProviderContact Information: [email protected] - 818-382-4160