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.
MLS #
CRCV25147988
MLS Source
California Regional MLS
Bedrooms
Ground Floor Bedroom, Primary Suite/Retreat, Other
Dining Room
Other
Family Room
Other
Fireplace
None
Laundry
In Laundry Room, Upper Floor
Cooling
Central Forced Air
Heating
Central Forced Air
Pool
None
Garage/Parking
Garage: 2 Car(s)
Elementary District
Ontario-Montclair Elementary
HOA Fee
$88
HOA Fee Frequency
Monthly
Complex Amenities
Other
3329 S Welsummer Ave is a Single Family Residence in Ontario, CA 91761. This 2,543 square foot property sits on a 5,004 Sq Ft Lot and features 4 bedrooms & 3 full and 1 partial bathrooms. It is currently priced at $820,000 and was built in 2020.
This address can also be written as 3329 S Welsummer Ave, Ontario, CA 91761.©2025 California Regional MLS. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.
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This listing information is up-to-date as of August 08, 2025. For the most current information, please contact Wei Wang