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Ontario, CA

$1,100,000

340 W Caroline Street, Ontario, CA
7
Beds
4
Baths
3,446
Sq Ft
1964
Built
140
Days listed

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.

Facts & features

Interior
Bedrooms
7
Bathrooms
4 full
Living area
3,446 sq ft
Interior features
All Bedrooms Down
Fireplace
Living Room
Heating
Central
Cooling
Central Air
Laundry
Inside
Levels
One, Two
Exterior & lot
Lot size
0.259 acres (11,300 sq ft)
Pool
None
View
City Lights, Neighborhood
Year built
1964
Community
Area
686 - Ontario
County
San Bernardino
Community features
Street Lights, Suburban, Sidewalks
Listing details
Status
Active
Property type
Single Family Residence
Days on market
140
Listed
2026-03-02
Terms
Cash, Cash To New Loan, Conventional
Parcel #
1047252150000
MLS #
SR26046377
Listed by
Richie Herrera · JohnHart Real Estate

Location

Price history

Listed
$1,100,000 · 2026-03-02
Days on market
140
Current price
$1,100,000
Financing

Could this home be yours?

Estimated monthly payment
$6,901
$5,562 principal & interest · $1,338 taxes & insurance
$220,000
Estimate only
Loan $880,000

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Estimated value range nearby
$3,623,891$4,254,133

A rough estimate from current nearby price-per-square-foot — not an appraisal. A precise valuation considers condition, upgrades and recent sales.

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Listing data provided by CRMLS

Listing courtesy of JohnHart Real Estate. © 2026. The multiple listing data appearing on this website is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the consumer may be interested in purchasing. All data, including but not limited to 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. The listing broker's offer of compensation is made only to participants of the MLS where the listing is filed. Last updated July 26, 2026 Equal Housing Opportunity.

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340 W Caroline Street, Ontario, CA — $1,100,000 | Your Agent