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$1,100,000
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Property Description
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.
Full Property Details
Full Property Details for 340 W Caroline St
General
- Price: $1,100,000
- Status: Active
- Type: Single Family
- Source: MRMLS
- MLS ID: SR26046377
- Updated: 4/30/2026
- Days on Market: 109 days
- Added to Site: 111 day(s) ago
Interior
- Rooms/Areas: Primary Bedroom, All Bedrooms Down, Kitchen, Living Room, Primary Bathroom
- Fireplace: Yes
- Fireplace(s): Living Room
- Eating Areas: Area
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 4
Bedrooms
- Total Bedrooms: 7
Other Rooms
- Laundry: Inside
Additional Information
- Pool Description: None
Location
- County: San Bernardino
- Driving Directions: In between W 7th St and W 6th St
School Information
- School District: Ontario-Montclair
Community
- Community Features: Street Lights, Sidewalks, Suburban
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Central
Utilities
- Sewer: Public Sewer
- Water: Public
Structural Information
- Structure Type: Single Family Residence
- Common Walls: No Common Walls
- Entry Location: 1
- Stories/Levels: One,Two
- Stories Description: One, Two
- Square Feet: 3,446
- Sq. Ft. Source: Assessor
- Year Built: 1964
- Year Built Source: Assessor
Lot Features
- Property View: City Lights, Neighborhood
- Lot Size (Acres): 0.2594
- Lot Size (Sq. Ft.): 11,300
- Lot Size Source: Assessor
- Lot Description: 0-1 Unit/Acre
Financial Considerations
- Price Per Sq. Ft.: $319.21
Disclosures and Reports
- Special Conditions: Standard
Listed by JohnHart Real Estate, Richie Herrera
Get Pre-Approved Today
Schools
Schools serving 340 W Caroline St
School Districts:Ontario-Montclair Elementary School District, Chaffey Joint Union High School District
| Name | Grades | Distance |
|---|---|---|
Hawthorne Elementary School, Ontario, CA 705 West Hawthorne Street, Ontario, CA 91762 | K-6 | 0.5 mi |
Vina Danks Middle School 1020 North Vine Avenue, Ontario, CA 91762 | 7-8 | 0.6 mi |
Chaffey High School 1245 North Euclid Avenue, Ontario, CA 91762 | 9-12 | 0.4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 340 W Caroline St
Date
Details
Price
Change
Source
3/03/2026
Listed
$1,100,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 340 W Caroline St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,554
—
$779,280
9%
2024
$8,515
12%
$714,000
2%
2023
$7,595
9%
$700,000
9%
2022
$6,997
3%
$640,560
4%
2021
$6,810
174%
$615,000
174%
2020
$2,481
-49%
$224,440
2%
2019
$4,854
1%
$220,040
2%
2018
$4,820
3%
$215,726
2%
2017
$4,693
3%
$211,496
2%
2016
$4,571
—
$207,349
2%
2015
$4,566
111%
$204,234
2%
2014
$2,162
-1%
$200,233
—
2013
$2,184
—
$199,328
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 340 W Caroline St
340 W Caroline Street, Ontario, CA 91762 (MLS# SR26046377) is a Single Family property with 7 bedrooms and 4 full bathrooms. 340 W Caroline Street is currently listed for $1,100,000 and was received on March 03, 2026. Want to learn more about 340 W Caroline Street? Do you have questions about finding other Single Family real estate for sale in Ontario? You can browse all Ontario real estate or contact a Coldwell Banker agent to request more information.

