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1135 Summitridge
Diamond Bar CA 91765 US

$1,510,000

Active Listing ID PW25253618
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5 bed
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3.00 Bath (3 Full)
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Lot: 31,376.00 Square Feet
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Single Family Residence

$1,510,000

Active Listing ID PW25253618
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1135 Summitridge 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.

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Property Features

  • Facts
  • Lot Size: 31,376.00 Square Feet
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 3
  • Cooling System: Central Air
  • Exterior Finish: Fence, Pool, Community Features Included: Hiking, Sidewalks, Landscaped, Irregular Lot
  • Floor Covering: Wood
  • Heating Fuels: Central
  • Additional Features
  • Pool

School Information

  • School
  • QUASUM(Elementary)
  • CHAPAR2(MiddleSchool)
  • DIABAR(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 1510000
  • unparsedaddress: 1135 Summitridge
  • postalcity: Diamond Bar
  • stateorprovince: CA
  • country: US
  • postalcode: 91765
  • bathroomsfull: 3
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.720293847566575
  • lotsizeunits: Square Feet
  • lotsizearea: 31376
  • livingarea: 3203
  • livingareaunits: Square Feet
  • listagentfullname: Kevin Kim
  • listagentemail: kevinkimrealty@gmail.com
  • listagentkey: 3yd-MRMLSCA-PWKIMKEV
  • listagentmlsid: PWKIMKEV
  • listagentpreferredphone: 7144511700
  • listagentofficephone: 7144511700
  • listofficekey: 3yd-MRMLSCA-PB7892
  • listagentstatelicense: 02103359
  • listofficemlsid: PB7892
  • disclaimer: Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: MRMLSCA
  • yearbuilt: 1987
  • listingcontractdate: 2025-11-04
  • listagenturl: http://www.ebestrealty.com
  • countyorparish: Los Angeles
  • parcelnumber: 8701038007
  • elementaryschool: QUASUM
  • highschool: DIABAR
  • elementaryschooldistrict: Walnut Valley Unified
  • middleorjuniorschooldistrict: Walnut Valley Unified
  • highschooldistrict: Walnut Valley Unified
  • appliances: Dishwasher, Garbage Disposer, Oven - Convection, Range, Washer
  • cooling: Central Air
  • constructionmaterials: Stucco
  • flooring: Wood
  • heating: Central
  • numberofunitstotal: 1
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 3
  • parkingfeatures: Garage
  • view: Hills
  • waterfrontyn: False
  • franchiseaffiliation: Coldwell Banker Real Estate
  • interiorfeatures: Balcony, Granite Counters, High Ceilings, Pantry, Quartz Counters, Wet Bar, Double Door Entry, Window Features: Double Pane Windows
  • exteriorfeatures: Fence, Pool, Community Features Included: Hiking, Sidewalks, Landscaped, Irregular Lot
  • windowfeatures: Double Pane Windows
  • architecturalstyle: Mediterranean
  • rooms: Bathroom 1, Bathroom 2, Bathroom 3, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Family Room, Laundry, Living Room
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • fencing: Fenced
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
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Listing Changed: 1/1/2026 12:55:51 AM GMT
Source Updated Date: 1/11/2026 6:42:41 PM GMT

Courtesy of: Kevin Kim, Coldwell Banker Best Realty, kevinkimrealty@gmail.com

Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.