Stunning View Home in Prestigious Diamond Bar with Solar, Pool & Dual Master Suites!
Experience breathtaking panoramic views from this custom 4-bedroom, 4-bathroom estate perched atop a serene cul-de-sac in the hills of Diamond Bar. Located near Ronald Reagan Park and within the award-winning Walnut Valley School District, this beautifully upgraded two-story home offers nearly 2,900 square feet of refined living space.
Step through elegant double doors into a grand entry showcasing a custom wrought-iron staircase, warm mahogany and laminate flooring, and soaring ceilings. The remodeled kitchen is a chef’s dream, featuring granite countertops, a large center island, and a built-in refrigerator/freezer. Adjacent is the expansive family room with a cozy fireplace and custom media niche—perfect for entertaining.
All four spacious bedrooms are upstairs, including two luxurious master suites, each with spa-like bathrooms. Enjoy seamless indoor-outdoor living in the entertainer’s backyard featuring a saltwater pool and spa with waterfall, built-in BBQ, fireplace and fire pit, covered patio with retractable awnings, and built-in surround sound system—all set against a dramatic backdrop of city lights and snow-capped mountains.
Additional highlights include:
Fully paid-off solar system
Attached 2-car garage
Central air & heat
Quick access to 57 & 60 freeways
Sold for $1,580,000
Listing Provided by:
Yepeng Yang DRE #01879945 909-708-6699,
RE/MAX Galaxy
Bought with: RE/MAX Galaxy
$1,580,000
21062 Quail Run Dr., Diamond Bar, CA 91789
4beds
2,882sqft
Single Family Residence
Built in 1986
6,562 Square Feet Lot
$1,575,400 Zestimate®
$548/sqft
$5,365 Estimated rent
Home value
$1,575,400
Estimated sales range
Not available
$5,365/mo
Zestimate® history
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$9,994/mo
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Zillow last checked: 7 hours ago
Listing updated: November 18, 2025 at 10:44am
Listing Provided by:
Yepeng Yang DRE #01879945 909-708-6699,
RE/MAX Galaxy
Bought with:
Peter Loh, DRE #01031835
RE/MAX Galaxy
Source: CRMLS,MLS#: TR25086206
Originating MLS: California Regional MLS
Originating MLS: California Regional MLSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
- Main level bathrooms: 1
Bedroom
- Features: All Bedrooms Up
Other
- Features: Walk-In Closet(s)
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Double Oven, Dishwasher, Electric Cooktop, Disposal, Gas Water Heater, Refrigerator, Range Hood
- Laundry: Laundry Room
Features
- All Bedrooms Up, Walk-In Closet(s)
- Has fireplace: Yes
- Fireplace features: Living Room
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 2,882 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage - Attached
- Attached garage spaces: 2
Features
- Levels: Two
- Stories: 2
- Entry location: ground
- Patio & porch: Patio
- Has private pool: Yes
- Pool features: Private
- Has spa: Yes
- Spa features: Private
- Has view: Yes
- View description: City Lights, Hills, Mountain(s), Panoramic
Lot
- Size: 6,562 sqft
- Features: Back Yard, Front Yard, Landscaped, Sprinklers Timer, Sprinkler System
Details
- Parcel number: 8765017016
- Zoning: LCRPD100006U*
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Roof: Tile
Condition
- New construction: No
- Year built: 1986
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & neighborhood
Community
- Community features: Street Lights, Sidewalks
Location
- Region: Diamond Bar
HOA & financial
HOA
- Has HOA: Yes
- HOA fee: $25 monthly
- Amenities included: Other
- Association name: Regent Association Services
- Association phone: 714-634-0611
Other
Other facts
- Listing terms: Cash,Cash to New Loan,Conventional,Submit
Price history
| Date | Event | Price |
|---|---|---|
| 2/9/2026 | Listing removed | $5,300$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 2/4/2026 | Listed for rent | $5,300$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 11/17/2025 | Sold | $1,580,000-7.1%$548/sqft |
Source:  CRMLS #TR25086206 Report a problem | ||
| 9/24/2025 | Pending sale | $1,699,900$590/sqft |
Source: CRMLS #TR25086206 Report a problem | ||
| 6/12/2025 | Price change | $1,699,900-5.5%$590/sqft |
Source: CRMLS #TR25086206 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $21,220 +4.7% | $1,664,639 +2% |
| 2024 | $20,270 +25.8% | $1,632,000 +25.9% |
| 2023 | $16,107 +2.1% | $1,296,338 +2% |
Find assessor info on the county website
Neighborhood: 91789
Nearby schools
GreatSchools rating
- 10/10Castle Rock Elementary SchoolGrades: K-5Distance: 0.6 mi
- 9/10South Pointe Middle SchoolGrades: 6-8Distance: 0.7 mi
- 10/10Diamond Bar High SchoolGrades: 9-12Distance: 0.3 mi
Schools provided by the listing agent
- Elementary: Castle Rock
- Middle: South Point
- High: Diamond Bar
Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$1,575,400
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,575,400
- California
- Los Angeles County
- Diamond Bar
- 91789
- 21062 Quail Run Dr.