$819,000 - 3329 Welsummer Avenue, Ontario

  • 4Beds
  • 4Baths
  • 2,543SQ. Feet
  • 0.11Acres

Ontario Home Sale

Welcome to this beautifully upgraded, energy-efficient home located in the heart of the highly sought-after Ontario Ranch community. This modern Spanish-style residence, built in 2020 by KB Home, features 4 spacious bedrooms, 3.5 bathrooms, and over 2,500 square feet of thoughtfully designed living space. The flexible floor plan includes a downstairs guest suite with a private bath, perfect for multi-generational living or hosting overnight guests. The open-concept layout seamlessly connects the gourmet kitchen, complete with stainless steel appliances, granite countertops, and a large island, to the expansive living and dining areas, creating the ideal space for entertaining. Upstairs, you’ll find a generous loft, a full laundry room with sink, and a luxurious primary suite featuring a walk-in closet and spa-inspired bath. Modern energy-saving upgrades include solar panels, tankless water heater, spray foam insulation, and dual-pane windows, ensuring year-round comfort and lower utility bills. Smart-home features, and low monthly HOA dues round out the home's value. Close to the 60 and 15 FWY as well as Ontario Airport.

Sales Agent

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

Amenities

  • AmenitiesOther
  • UtilitiesElectricity Available, Natural Gas Available, Sewer Available, Water Available
  • Parking Spaces2
  • # of Garages2
  • ViewNone
  • PoolNone

School Information

  • DistrictOntario-Montclair

Essential Information

  • MLS® #CV25147988
  • Price$819,000
  • Bedrooms4
  • Bathrooms4.00
  • Full Baths3
  • Half Baths1
  • Square Footage2,543
  • Acres0.11
  • Year Built2020
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusClosed
  • Listing AgentWei Wang
  • Listing OfficeRE/MAX CHAMPIONS

Exterior

  • Lot DescriptionZeroToOneUnitAcre

Additional Information

  • Date ListedJuly 1st, 2025
  • Days on Market8
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address3329 Welsummer Avenue
  • Area699 - Not Defined
  • CityOntario
  • CountySan Bernardino
  • Zip Code91761

Interior

  • InteriorWood
  • Interior FeaturesAll Bedrooms Up, Bedroom on Main Level, Loft, Main Level Primary, Walk-In Closet(s)
  • HeatingCentral
  • CoolingCentral Air
  • FireplacesNone
  • # of Stories2
  • StoriesTwo

Price Change History for 3329 Welsummer Avenue, Ontario, (MLS® #CV25147988)

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

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  • City:
    Ontario
  • Price Range:
    $255,000 - $1,599,900
  • Current Listings:
    1231
  • HOA Dues:
    $174
  • Average Price per Square Foot:
    $432

Back to Search Results

Based on information from California Regional Multiple Listing Service, Inc. as of December 24th, 2025 at 2:26pm 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.