340 W Caroline Street, Ontario, CA 91762

Single-Family · For sale · $1,100,000 · MLS# SR26046377

Single-Family for sale in Southern California — $1,100,000. 7 beds · 4 baths · 3,446 sqft. Stunning and spacious Ontario property offering a total of 3,446 sq ft of living space, featuring 7 bedrooms and 4 bathrooms across a main residence and a permitted accessory dwelling unit. This versatile property pro…

340 W Caroline Street
For sale

$1,100,000

340 W Caroline Street, Ontario, CA 91762

7beds
4baths
3,446sqft
Single-FamilyProperty type
1964Year built
0.26 acresLot size
3,446 sqftLiving area
$319/sqftPrice / sqft
HOA

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 7
  • Bathrooms: 4
  • Full bathrooms: 4

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Laundry: Inside

Interior area

  • Living area: 3,446 sqft

Property

Lot

  • Lot size: 0.26 acres

Features

  • Pool features: None
  • View: City Lights, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 1964

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 137 days
  • Price / sqft: $319
  • Status: Active
  • MLS#: SR26046377

Location

  • City: Ontario
  • ZIP: 91762

About this home

Stunning and spacious Ontario property offering a total of 3,446 sq ft of living space, featuring 7 bedrooms and 4 bathrooms across a main residence and a permitted accessory dwelling unit. This versatile property provides 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, a classic brick fireplace, and a seamless blend of recessed and natural lighting. The interior includes laminate flooring throughout and a well equipped kitchen with brand new appliances, a range hood, ample cabinetry for storage and a dedicated laundry area. Bedrooms are generously sized with built in closets and shelving, providing both comfort and functionality. 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. ADU is currently rented. 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. Buyer to verify all information including square footage, permits, and usage.

Listing updated: April 30, 2026 at 12:10 AM

Listed by: Richie Herrera, JohnHart Real Estate

Source: CRMLS, MLS#: SR26046377, Originating MLS: California Regional MLS

Location

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Ontario

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Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 7
  • Bathrooms: 4
  • Full bathrooms: 4

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Laundry: Inside

Interior area

  • Living area: 3,446 sqft

Property

Lot

  • Lot size: 0.26 acres

Features

  • Pool features: None
  • View: City Lights, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 1964

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 137 days
  • Price / sqft: $319
  • Status: Active
  • MLS#: SR26046377

Location

  • City: Ontario
  • ZIP: 91762

Price history

DateEventPrice
3/03/2026Source: CRMLS, #SR26046377Listed for sale$1,100,000$319/sqft
California Regional Multiple Listing Service (CRMLS)

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-04-30 00:10:29 PDT and /or other sources. 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