$1,099,000 - 1142 Flintlock, Diamond Bar

  • 5Beds
  • 4Baths
  • 2,298SQ. Feet
  • 0.21Acres

Diamond Bar Home Sale

Welcome to Your Dream Home in Beautiful Diamond Bar — Newly Updated and Move-In Ready!!Recently refreshed with new flooring, interior paint, and an upgraded terrace, this bright ~2,300 sqft residence sits on a rare ~10,000 sqft mostly flat lot offering comfort, privacy, and future potential. The home features 5 bedrooms and 3.5 baths, including a convenient main-floor en-suite perfect for guests or in-laws. The open kitchen flows into the dining and living areas, ideal for gatherings and everyday living. Upstairs, the primary suite enjoys peaceful hill and city-light views, while another bedroom opens to a spacious 600 sqft private terrace—perfect for yoga, evening wine, or weekend sunbathing. The flat, beautifully landscaped backyard features mature fruit trees, a koi pond, and ample space for BBQ, play, a pool, or an ADU. Residents also enjoy access to a large year-round community pool and club facilities. Located near an award-winning 8-rated high school, parks, shops, restaurants, and the 57 & 60 freeways. Don’t miss this rare opportunity in one of Diamond Bar’s most desirable neighborhoods!

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • AmenitiesPool
  • Parking Spaces2
  • # of Garages2
  • ViewMountain(s), Pond
  • Has PoolYes
  • PoolNone, Association

School Information

  • DistrictPomona Unified

Essential Information

  • MLS® #WS25267882
  • Price$1,099,000
  • Bedrooms5
  • Bathrooms4.00
  • Full Baths3
  • Half Baths1
  • Square Footage2,298
  • Acres0.21
  • Year Built1969
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusClosed
  • Listing AgentKankan Yang
  • Listing OfficeUNIVERSAL ELITE REALTY

Exterior

  • Lot DescriptionZeroToOneUnitAcre, Yard, Garden

Additional Information

  • Date ListedNovember 29th, 2025
  • Days on Market3
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address1142 Flintlock
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Interior

  • Interior FeaturesBedroom on Main Level, Loft
  • HeatingCentral
  • CoolingCentral Air
  • FireplaceYes
  • FireplacesLiving Room
  • # of Stories2
  • StoriesTwo

Price Change History for 1142 Flintlock, Diamond Bar, (MLS® #WS25267882)

Date Details Price Change
Closed
Pending
Active Under Contract (from Active)

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  • City:
    Diamond Bar
  • Price Range:
    $269,000 - $6,200,000
  • Current Listings:
    378
  • HOA Dues:
    $194
  • Average Price per Square Foot:
    $553

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Based on information from California Regional Multiple Listing Service, Inc. as of January 10th, 2026 at 10:56pm PST. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.