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    340 W Caroline Street Ontario, CA 91762

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    Claim this Listing
    For Sale
    $1,100,000

    Single Family Residence - Ontario, CA

    Type:Single Family Residence
    Property size:
    3,446 SF
    Lot size:
    11,300.00 Acres
    Price / SF:
    $319/SF
    Added:
    Apr 10, 2026
    Days on Market:
    21
    Last Refresh:
    Apr 30 at 8:06 am

    Property Features for 340 W Caroline Street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Single Family Residence
    Bedrooms
    7
    Bathrooms
    4
    Rooms
    Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Kitchen, Living Room
    Parking
    2
    Exterior features
    Community Features Included: Street Lights, Sidewalks, Suburban, 0-1 Unit/Acre
    Standard status
    Active
    APN
    1047252150000
    Size
    3,446 SF
    Lot size
    11,300.00 Acres

    Utilities

    Heating system
    Central
    Cooling system
    Central Air

    Building Details

    Year built
    1964
    Floors in Building
    2
    Number of units
    2
    Architectural style
    Other

    We can help!

    Listing Contact
    Richie Herrera

    Listing agent Richie Herrera License #01974804

    Listing office JohnHart Real Estate 19524 Nordhoff St., Sherman Oaks, CA

    Listing date Apr 10, 2026

    MLS# SR26074951 Listing URL

    Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


    Overview

    Spacious Ontario Home with ADU

    This spacious Ontario property offers approximately 3,446 sq ft of living space, featuring 7 bedrooms and 4 bathrooms. The property includes a main residence and a permitted accessory dwelling unit, providing flexibility for extended living, multi-generational use, or rental income potential. The main home offers approximately 2754 sq ft with 6 bedrooms and 3 bathrooms, featuring a bright and open layout with high ceilings and a classic brick fireplace. The interior includes laminate flooring throughout and a well-equipped kitchen with new appliances, a range hood, ample cabinetry, and a dedicated laundry area. Bedrooms are generously sized with built-in closets and shelving. The permitted ADU offers approximately 692 sq ft with 1 bedroom and 1 bathroom, providing a private and self-contained living space ideal for extended family, guests, or income-producing use. The property sits on a well-maintained lot with front and backyard space suitable for outdoor use and entertaining. Conveniently located near shopping, dining, and major access routes, this property combines size, versatility, and opportunity in a desirable Ontario location. The property is located in San Bernardino County.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Auto Repair Shop

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Ontario
    County
    San Bernardino
    State
    California
    Longitude
    -117.6547474
    Latitude
    34.0862254

    FAQs

    What type of property is this?
    Duplex - Ontario property with main house and permitted accessory dwelling unit.
    Where is this duplex located?
    The property is located at 340 W Caroline Street Ontario, CA.
    What is the asking price?
    The asking price for this property is $1,100,000.
    What are key features of this property?
    This property features: Approximately 3,446 sq ft of living space with 7 bedrooms and 4 bathrooms.; Includes a **permitted 692 sq ft Accessory Dwelling Unit (ADU)** for extended family, guests, or rental income.; Main home offers 2754 sq ft with 6 bedrooms and 3 bathrooms, featuring a bright, open layout.
    More about this property
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