$1,050,000 - 21833 Onawa Place, Diamond Bar

  • 4Beds
  • 2Baths
  • 1,881SQ. Feet
  • 0.66Acres

Diamond Bar Home Sale

Welcome home to 21833 Onawa Pl in Diamond Bar! Peaceful and quiet, this cul de sac location amongst mature trees sits in the coveted Walnut Valley Unified School District and cannot be beat!! Single story stunner with 4 bedrooms, 2 baths and a primary suite with an en suite bathroom. Step through the double door entry into the light and bright front living room featuring bamboo floors, recessed lighting, window seat and cozy fireplace. Perfect spot for entertaining and enjoying family gatherings during the upcoming holiday season! Family room with dining combo await just off living room and kitchen, featuring newer sliding door and gorgeous views of the private backyard. Kitchen has plenty of storage, newer oven and beautiful views of the backyard. Individual laundry room with side yard access is just off of kitchen. Primary suite features an entry hall with double closets, an en suite bathroom, hardwood floors and plantation shutters. 3 additional bedrooms offer plenty of space for your growing or multigenerational family! Large driveway features plenty of parking and 3 car attached garage. Front yard offers low maintenance plantings and generous side yard has potential for trailer parking. Private backyard is your new retreat and features a quiet seating area, horseshoe area, tetherball area, lawn and bark areas and beds for planting. The possibilities are endless with this much space. There is room for a pool, room for a California outdoor room with entertainment area and kitchen, more garden beds and specialized plantings, or enclosures for pets! Over one half acre total. Several big ticket items are done, Re-roof within past 10 years., plumbing rerouted through attic within past 10 years. New hvac and all duct work in attic done within last 7 years, newer windows, newer sliding door, oven and tankless water heater. Educational opportunities abound in Diamond Bar, with award winning Evergreen Elementary and Diamond Bar High Schools less than 1 mile away, and Chaparral Middle School less than 2 miles. The prestigious Claremont Colleges are a short 20 min drive and Mt San Antonio College is a short 14 min drive. Located 1 mile from the 57 freeway, and close to world class education, shopping parks, medical offices, restaurants, and specialty stores, this location is second to none!

Sales Agent

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

Amenities

  • Parking Spaces6
  • # of Garages3
  • ViewNeighborhood
  • PoolNone

School Information

  • DistrictWalnut Valley Unified

Essential Information

  • MLS® #DW25220826
  • Price$1,050,000
  • Bedrooms4
  • Bathrooms2.00
  • Full Baths2
  • Square Footage1,881
  • Acres0.66
  • Year Built1964
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusClosed
  • Listing AgentMarina Allensworth
  • Listing OfficeRealty World Allensworth

Exterior

  • Lot DescriptionBack Yard, Gentle Sloping

Additional Information

  • Date ListedSeptember 17th, 2025
  • Days on Market6
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address21833 Onawa Place
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Interior

  • Interior FeaturesAll Bedrooms Down
  • CoolingCentral Air
  • FireplaceYes
  • FireplacesLiving Room
  • # of Stories1
  • StoriesOne

Price Change History for 21833 Onawa Place, Diamond Bar, (MLS® #DW25220826)

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

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  • City:
    Diamond Bar
  • Price Range:
    $269,000 - $6,200,000
  • Current Listings:
    378
  • HOA Dues:
    $196
  • Average Price per Square Foot:
    $552

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Based on information from California Regional Multiple Listing Service, Inc. as of January 17th, 2026 at 1:11am 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.