Back to Search

Ontario Home with Detached ADU

340 W Caroline St, Ontario, CA 91762

View on Map

For Sale

$1,100,000

Spacious 7-bedroom home with a detached 1-bedroom ADU.

Type:Investment

HighLights

High Rental Income: Generating over $8,200/month from main house and ADU.
Detached ADU: Includes a 1 bedroom, 1 bathroom Accessory Dwelling Unit perfect for guests, family, or generating extra rental income.
Spacious 7 Bedroom Home: Offers ample living space with generously sized bedrooms and built‑in closets.
Updated Kitchen: Features brand new appliances, a range hood, and plenty of storage.
Well‑Maintained Lot: Includes both front and backyard space for relaxing and entertaining.
Convenient Location: Very Walkable (Walk Score 71) and Bikeable (Bike Score 69).

We can help!

Listing Contact

Richie Herrera

Learn more

For Sale

$1,100,000

Spacious 7-bedroom home with a detached 1-bedroom ADU.

Type:Investment

Added:: Apr 24, 2026
Days on Market:: 52
Last Refresh:: Apr 24 at 4:34 pm

Property Features for 340 W Caroline St

General Information

Standard status: Active
Property subtype: Investment

Building Details

Year Built: 1964

We can help!

Listing Contact

Richie Herrera

Listing agent Richie Herrera License #01974804

Listing office JohnHart Real Estate

Listing date Apr 24, 2026

Source Elliman

Displayed information is deemed reliable but is not guaranteed and should be independently verified.

All listing content including descriptions, pricing, images are the copyrighted material of JohnHart Real Estate

HighLights

High Rental Income: Generating over $8,200/month from main house and ADU.
Detached ADU: Includes a 1 bedroom, 1 bathroom Accessory Dwelling Unit perfect for guests, family, or generating extra rental income.
Spacious 7 Bedroom Home: Offers ample living space with generously sized bedrooms and built‑in closets.
Updated Kitchen: Features brand new appliances, a range hood, and plenty of storage.
Well‑Maintained Lot: Includes both front and backyard space for relaxing and entertaining.
Convenient Location: Very Walkable (Walk Score 71) and Bikeable (Bike Score 69).

Overview

Located in Ontario, this property features a 7-bedroom, 4-bathroom home with a spacious living area, high ceilings, and a brick fireplace. The residence includes laminate flooring and a kitchen equipped with appliances, a range hood, and storage space. Each bedroom offers built-in closets and shelving. The property has front and backyard space. A detached 1-bedroom, 1-bathroom ADU is located in the rear. The property is currently generating over $8,200 per month in rental income between the main house and the ADU. The bike score is 69, making it bikeable. The walk score is 71, indicating it is very walkable, and the transit score is 40, suggesting some transit options are available.

Location Intelligence

Current Use by Public Records

Multifamily properties

Suggested Use

Location Insight

Map
Local Demand

City: Ontario
County: San Bernardino
State: California
Longitude: -117.6547474
Latitude: 34.0862254

Nearby Similar for Sale

$2,600,000

26,560 SF

Historic Olive House Opportunity

Historic olive packing facility with income potential and development upside.

315 E 4th, Ontario, CA 91764

View Details
$200,000

798 SF

Restaurant Business Opportunity in Ontario

Restaurant business for sale in revitalizing Ontario corridor.

765 W Holt, Ontario, CA 91762

View Details
$2,900,000

14,530 SF

Ontario Retail/Office Building For Sale

Retail/Office building in prime Ontario location with high traffic volume.

910 N Mountain Avenue, Ontario, CA 91762

View Details
$869,000

2,413 SF

Duplex with Separate ADU

Two rented homes on one lot, including a newer 1-bedroom ADU built in 2021, for flexible residential income.

627 E Ralston Street, Ontario, CA 91761

View Details
$1,100,000

3,446 SF

Spacious Ontario Home with ADU

Ontario property with main house and permitted accessory dwelling unit.

340 W Caroline Street, Ontario, CA 91762

View Details
$1,225,000

3,006 SF

Ontario Commercial Property For Sale

Retail showroom, office, and warehouse near Ontario International Airport.

1795 E Holt, Ontario, CA 91761

View Details
$2,100,000

4,556 SF

Ontario Six-Unit Multifamily Property

Six-unit property with ADU potential in a desirable Ontario neighborhood.

430 E I, Ontario, CA 91764

View Details
$1,500,000

Funeral Home Business Opportunity

Established funeral home business with growth potential in Ontario, CA.

730 Mountain, Ontario, CA 91762

View Details
$659,000

940 SF

Updated Duplex for Owner-Occupant

Renovated duplex in Ontario with fresh interiors, updated baths, and in-unit mini-splits, including appliances.

820 E D Street, Ontario, CA 91764

View Details
$965,000

2,175 SF

Ontario Industrial Condo For Sale

Well-maintained industrial condo with warehouse space in a clean business park.

909 S Cucamonga, Ontario, CA 91761

View Details
$800,000

Trade Show Booth Fabrication Company

Profitable trade show booth fabrication company serving North America.

620 S Magnolia Avenue, Ontario, CA 91762

View Details
$1,080,000

3,672 SF

Ontario Multifamily Investment Opportunity

Four-unit multifamily property in Ontario, California with value-add potential.

1228 W Rosewood Ct, Ontario, CA 91762

View Details

For sale
Multifamily properties
CA
Ontario
91762
340 W Caroline St

What type of property is this?

Multifamily property - Spacious 7-bedroom home with a detached 1-bedroom ADU.

Where is this multifamily property located?

The property is located at 340 W Caroline St 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: High Rental Income: Generating over $8,200/month from main house and ADU.; Detached ADU: Includes a 1 bedroom, 1 bathroom Accessory Dwelling Unit perfect for guests, family, or generating extra rental income.; Spacious 7 Bedroom Home: Offers ample living space with generously sized bedrooms and built‑in closets.