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Welcome to 311 and 309 E East E St. Ontario, CA! This exceptional duplex presents a unique opportunity for homeowners and investors. The property consists of detached units, offering privacy and flexibility. The front unit boasts approximately 1,150 square feet of living space, featuring 3 bedrooms and 2 bathrooms, while the back unit offers approximately 1,050 square feet with 2 bedrooms and 2 bathrooms. Situated on an oversized lot of approximately 8,500 square feet, this property provides ample outdoor space for various activities. The generous lot size allows for potential customization, such as creating a beautiful garden or adding additional amenities to enhance your lifestyle. A notable feature of this duplex is the 2-car detached garage. Furthermore, there is exciting potential to convert the garage into an Accessory Dwelling Unit (ADU), making it a triplex. Buyers are encouraged to verify this possibility with the city to explore the full potential of the property. With a long driveway, ample parking space available for residents and guests, ensuring convenience and ease of access. The "live in one and rent the other" concept is perfect for those seeking additional income or multi-generational living arrangements. This arrangement allows for financial stability while enjoying the benefits of homeownership. Located near the beautiful Euclid walking areas, residents can explore picturesque trails and enjoy the natural surroundings for leisurely walks or active pursuits. The duplex benefits from its proximity to the 10 and 60 freeways, providing easy access to transportation and convenience for daily commuting. Nestled in a nice neighborhood, this property offers a welcoming and peaceful environment. Enjoy the sense of community and the pleasant surroundings that this area provides. Separated gas and electric meters. To provide an immersive experience, virtual tours are available for both units. Take a virtual walkthrough of each unit to get a comprehensive understanding of the layout, design, and features. Supplemental information is also available to provide additional details. Don't miss out on the opportunity to own this remarkable duplex in Ontario, CA. Whether you're an investor looking to expand your portfolio or a homeowner seeking a flexible living arrangement, this property offers endless possibilities. Schedule a viewing today to experience the incredible potential and convenience this duplex has to offer.
Listing agent: Abraham Prattella DRE #01506646 Abraham@RealEstateWithAbraham.com, Listing office: AGENCY 8 REAL ESTATE GROUP
MLS data updated 10/19/2026, 11:35:14 AM PT
Source: CRMLS, MLS #: CV23119108
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 13, 2023
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$745,000Closed sale · Oct 13, 2023ZIP 91764 · Oct 2023
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.