22621 Ridge Line RD
Diamond Bar, CA, 91765
$2,680,000
4 Beds
4 Baths
3,699 SqFt
1.78 Acres
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MLS #PW26087846 image #0
Welcome to Your Private Hilltop Sanctuary.
Nestled within Diamond Bar’s highly prestigious, 24-hour guard-gated community of The Country Estates, this fully reimagined masterpiece offers a rare blend of classic curb appeal and breathtaking, ultra-modern design. Shielded by mature landscaping, this estate invites you to experience a lifestyle defined by uncompromising luxury, sweeping valley sunsets, and sparkling city-light views.
Step through the illuminated entryway into a sun-drenched, open-concept floor plan beautifully anchored by custom vertical wood-slat architectural paneling, wide-plank oak-toned flooring, and brilliant crystal chandeliers. The gourmet chef’s kitchen is an entertainer’s dream, featuring a massive quartz waterfall island and a farmhouse sink, flowing seamlessly into a formal dining space warmed by a marble-clad fireplace. You can effortlessly host guests in the formal living room with its built-in beverage center, or find your daily peace in the dedicated, window-lined Zen lounge. Ascending the striking glass-framed staircase reveals a sprawling upper-level entertainment loft alongside a dedicated billiard room with private deck access. For the modern professional, a refined executive office offers a quiet workspace complete with custom solid-wood built-ins and glass-paned French doors.
The primary suite is a true resort-style retreat designed to capture unobstructed hilltop horizon views. Its spa-caliber en-suite rivals five-star hotels, appointed with a deep freestanding soaking tub, a frameless glass rainfall shower, brushed gold fixtures, and a massive custom walk-in closet. Generously sized secondary bedrooms offer VIP treatment with bespoke board-and-batten woodwork, while the pristine guest baths feature designer finishes, and high-tech smart bidets.
The perfection extends to a fully finished, expansive garage featuring pristine epoxy flooring, custom dark-oak cabinetry, and an integrated luxury laundry center. Step outside to the modern, cable-railed view decks for al fresco dining under the stars, seamlessly expanding your living space into the California golden hour.
Residents of The Country Estates including a massive indoor sports complex, pristine clay and hard tennis courts, pickleball, a community pool, and miles of scenic equestrian trails. Zoned for the award-winning Walnut Valley Unified School District, this estate is more than just a stunning residence—it is a legacy property.

Property Details

Price:
$2,680,000
MLS #:
PW26087846
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Apr 25, 2026
Finished Sq Ft:
3,699
Lot Size:
77,740 sqft / 1.78 acres (approx)
Year Built:
1977
Community Gated616 – Diamond Bar616diamondbarWalnut Valley UnifiedValley

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Schools

School District:
Walnut Valley Unified

Interior

Appliances
DW, MW, RF, ES, WHU
Bathrooms
4 Full Bathrooms
Cooling
CA
Flooring
VINY
Heating
CF
Interior Features
FU, HCEL
Laundry Features
IG, DINC, WINC
Levels
C
Main Level Bathrooms
2
Main Level Bedrooms
3

Exterior

Accessibility Features
_2AE, PK
Attached Garage YN
1
Common Walls
_1CW
Community Features
SDW, SL
Garage Spaces
4
Parking Spots
4
Parking Total
4
Security Features
SD, COD, GC, GA
View
CN, CI, HI, MT, PA, TW, VA

Financial

HOA Fee
$350
HOA Fee Frequency
MO

Map

Community

Market Summary

Current real estate data for Single Family in Diamond Bar as of Apr 27, 2026
151
Single Family Listed
73
Avg DOM
392
Avg $ / SqFt
$1,379,289
Avg List Price

Property Summary

    22621 Ridge Line RD Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $2,680,000 and features 4 beds, 4 baths, and has approximately 3,699 square feet of living space, and was originally constructed in 1977. The current price per square foot is $725. The average price per square foot for Single Family listings in Diamond Bar is $392. The average listing price for Single Family in Diamond Bar is $1,379,289.

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22621 Ridge Line RD
Diamond Bar, CA