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Rare Multi-Generational Estate & Investor's Dream on a 0.61-Acre Lot! Welcome to 1434 W. Philadelphia Street an extraordinary mid-century ranch-style horse property compound set on a massive 26,775 square foot lot in a highly desirable pocket of West Ontario. Offering an incredibly rare combination of space, versatility, and income potential, this expansive property is a perfect fit for large families, multi-generational living, or savvy investors looking for immediate value. The sprawling main residence features an impressive 6 bedrooms and 3 full bathrooms, providing an abundance of space and flexibility that is incredibly hard to find in this market. Flexible Living: Whether you need room for a growing family, dedicated home offices, or a home gym, this floor plan easily accommodates your lifestyle. Classic Comfort: The home retains its charming mid-century character, featuring a cozy central fireplace for cool winter evenings and central air conditioning. Ample Parking: Includes an attached 2-car garage accompanied by a long driveway with plenty of room for multiple vehicles, guest parking, or RV and boat storage. A true standout feature of this property is the separate detached bonus unit complete with its own full bathroom. This highly private space is perfect for use as a guest house, a comfortable in-law suite, a quiet home office, or a creative studio. Income Generating: For investors, this secondary unit provides an immediate opportunity to generate rental income. The Grounds gives you the ultimate luxury: space. A True Compound: Surrounded by mature trees. Blank Canvas Backyard: The sprawling rear yard is ready for your ultimate vision. There is more than enough room to build a custom pool, plant a sprawling family orchard, or explore the potential to build an additional ADU (buyer to verify with the city). Located in a quiet, established neighborhood near the Chino border, you get the tranquility of a residential enclave with unbeatable everyday convenience. You are walking distance to Vista Grande Elementary and Homer Briggs Park, with easy access to major shopping centers, dining, and the 60 freeway for a streamlined commute. Properties with this bedroom count, a separate living unit, and a lot of this magnitude are a rare find in Ontario. Whether you are looking to build a family legacy or expand your investment portfolio, the possibilities here are endless. Don't miss out on this unique opportunity"”schedule your private showing today!
Property Type(s):
Single Family
| Last Updated | 6/4/2026 | Year Built | 1953 |
|---|---|---|---|
| Community | 686 - Ontario | Garage Spaces | 2.0 |
| County | San Bernardino |
SCHOOLS
| Elementary School | Vista Grande |
|---|---|
| Jr. High School | Oaks |
| High School | Ontario |
Additional Details
| AIR | Central Air |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Dishwasher, Gas Oven, Gas Range, Microwave |
| AREA | 686 - Ontario |
| FIREPLACE | Yes |
| GARAGE | Attached Garage, Yes |
| HEAT | Central |
| INTERIOR | Ceiling Fan(s), Eat-in Kitchen, Open Floorplan, Recessed Lighting, Storage |
| LOT | 0.6147 acre(s) |
| LOT DIMENSIONS | 26775 |
| PARKING | Attached, Attached Carport, Driveway, RV Access/Parking |
| POOL DESCRIPTION | None |
| SEWER | Public Sewer |
| STORIES | 1 |
| STYLE | Ranch |
| UTILITIES | Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected |
| VIEW DESCRIPTION | None |
| WATER | Public |
Location
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Listed with Century 21 Primetime REALTORS
The information being provided by Conejo Simi Moorpark Association of REALTORS® (“CSMAR”) is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange (“IDX”) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
This IDX solution is (c) Diverse Solutions 2026.
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