21078 Willow Heights, Diamond Bar, CA 91765

Single-Family · For sale · $2,498,000 · MLS# WS26108557

Single-Family for sale in Southern California — $2,498,000. 5 beds · 5 baths · 3,312 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 WALNU…

21078 Willow Heights
For sale

$2,498,000

21078 Willow Heights, Diamond Bar, CA 91765

5beds
5baths
3,312sqft
Single-FamilyProperty type
2015Year built
7,642 sqft lotLot size
3,312 sqftLiving area
$754/sqftPrice / sqft
$172/moHOA
3 spacesGarage

Facts & features

Interior

Bedrooms & bathrooms

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

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Built In Range, Dishwasher, Refrigerator, Tankless Water Heater
  • Laundry: Laundry Room

Interior area

  • Living area: 3,312 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 7,642 sqft

Features

  • Pool features: None
  • View: City Lights, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2015

Community & HOA

Community

  • Has HOA: Yes
  • HOA fee: $172/mo

Financial & listing details

  • Days on market: 60 days
  • Price / sqft: $754
  • Status: Active
  • MLS#: WS26108557

Location

  • City: Diamond Bar
  • ZIP: 91765

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 $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.

Listing updated: July 18, 2026 at 5:16 PM

Listed by: ALICE LIM, Beverly and Company, Inc.

Source: CRMLS, MLS#: WS26108557, Originating MLS: California Regional MLS

Location

Explore parks, streets, and what's around this home.

Diamond Bar

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Facts & features

Interior

Bedrooms & bathrooms

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

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Built In Range, Dishwasher, Refrigerator, Tankless Water Heater
  • Laundry: Laundry Room

Interior area

  • Living area: 3,312 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 7,642 sqft

Features

  • Pool features: None
  • View: City Lights, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2015

Community & HOA

Community

  • Has HOA: Yes
  • HOA fee: $172/mo

Financial & listing details

  • Days on market: 60 days
  • Price / sqft: $754
  • Status: Active
  • MLS#: WS26108557

Location

  • City: Diamond Bar
  • ZIP: 91765

Price history

DateEventPrice
6/06/2026Source: CRMLS, #WS26108557Listed for sale$2,498,000$754/sqft
California Regional Multiple Listing Service (CRMLS)

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-18 17:16:04 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