1135 Summitridge
Diamond Bar, CA, 91765
$1,510,000
5 Beds
3 Baths
3,203 SqFt
0.72 Acres
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Welcome to 1135 Summitridge Drive – An Elegant Sanctuary in the Heart of Diamond Bar Hills.

Nestled within the prestigious Diamond Bar Hills community, this exceptional two-story estate is a masterpiece of refined living, where timeless elegance meets modern sophistication. Recently revitalized with a series of thoughtful upgrades, including brand-new hardwood floors, refinished pool plaster, and a restored balcony, the home radiates warmth and grandeur while enhancing both style and comfort.

The grand formal entryway welcomes you with soaring ceilings and polished marble flooring, setting an elegant and serene tone. The expansive living area, bathed in natural light, seamlessly flows into a chef-inspired kitchen featuring a marble island with built-in cooktops, a sunlit breakfast nook, abundant cabinetry, a walk-in pantry, and an adjacent dining area accented by a modern ceiling fan. The adjoining family room is perfect for relaxation and entertainment, complete with a classic fireplace, built-in wet bar, and sliding glass doors that open to a tranquil backyard retreat.

The main level also offers a guest bedroom, a full bathroom with shower, a laundry room, and direct access to the three-car garage, ensuring everyday convenience. Ascending the sweeping staircase, you’ll discover the luxurious primary suite—a serene haven featuring a private office nook, spa-like ensuite bathroom with a deep soaking tub, dual vanities, separate shower, and private balcony with sweeping hill and treetop views. Three additional bedrooms with elegant hardwood flooring share a beautifully appointed full bathroom, providing ample space for family or guests.

Outdoors, the property truly shines. The front courtyard highlights a sparkling pool and jacuzzi, while the rear grounds open to a peaceful, nature-inspired setting, ideal for morning walks, social gatherings, or quiet relaxation. The home also features a solar power system, enhancing energy efficiency and supporting sustainable living.

Located in an award-winning California Distinguished/Blue Ribbon school district, and just minutes from the Civic Center, shopping, and fine dining, this extraordinary residence combines secluded hillside tranquility with effortless urban convenience.

1135 Summitridge Drive is more than a home—it’s a lifestyle, offering elegance, comfort, and harmony with nature, ready for its next chapter.

Property Details

Price:
$1,510,000
MLS #:
PW25253618
Status:
Active
Beds:
5
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Nov 4, 2025
Finished Sq Ft:
3,203
Lot Size:
31,376 sqft / 0.72 acres (approx)
Year Built:
1987
MediterraneanPool616 – Diamond Bar616diamondbarWalnut Valley UnifiedQuail SummitChaparralDiamond BarNeighborhood

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Schools

School District:
Walnut Valley Unified
Elementary School:
Quail Summit
Middle School:
Chaparral
High School:
Diamond Bar

Interior

Appliances
DW, GD, BIR, CO
Bathrooms
3 Full Bathrooms
Cooling
CA
Flooring
WOOD
Heating
CF
Laundry Features
GAS, IR, WH

Exterior

Architectural Style
MED
Community Features
SDW, HIKI
Construction Materials
STC
Parking Spots
3
Roof
CLY

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Diamond Bar as of Jan 19, 2026
62
Single Family Listed
46
Avg DOM
359
Avg $ / SqFt
$1,247,954
Avg List Price

Property Summary

    1135 Summitridge Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $1,510,000 and features 5 beds, 3 baths, and has approximately 3,203 square feet of living space, and was originally constructed in 1987. The current price per square foot is $471. The average price per square foot for Single Family listings in Diamond Bar is $359. The average listing price for Single Family in Diamond Bar is $1,247,954.

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