Ontario, CA

$1,028,888

4665 S Flagstone Avenue, Ontario, CA

Beds

Baths

3,124

Sq Ft

2019

Built

Days listed

About this home

Reduced Price. Added Bonus! Stunning House in most desirable area of Ontario Ranch “Park Place” now included New BBQ grill, Treadmill, Backyard patio table with chairs, Primary bedroom furniture set, Three ceiling fans with chandelier, Loft sectional sofa , Two dining room tables with matching china cabinets and chairs, Large dining room area rug. This is an incredible opportunity to purchase a move-in-ready home with many valuable extras. Welcome to this beautifully maintained 4 bedroom 3 and a half bath house, with large living room, huge backyard and spacious lounge on second floor. Downstairs also includes a guest bedroom with attached bathroom and walk in closet, along with separate powder room with 1/2 bathroom. Located in the highly desirable Park Place Ontario Ranch, Resident has access to an impressive array of resort-style amenities, including a pool, spa, hot tub, pickleball and tennis courts, a gym, clubhouse, billiard room, fire pit, barbecue and picnic areas, playground, and dog park. Don’t miss your opportunity to make it yours! Make an offer price is negotiable.

Facts & features

Interior

Bedrooms: 4
Bathrooms: 3 full, 1 half
Living area: 3,124 sq ft
Interior features: Breakfast Bar, Ceiling Fans, Open Floorplan, Pantry, Recessed Lighting, Bedroom On Main Level, Loft, Primary Suite
Appliances: Dishwasher, Gas Cooktop, Gas Oven, Gas Range, High Efficiency Water Heater, Microwave
Flooring: Carpet, Laminate
Fireplace: None
Heating: Central
Cooling: Central Air
Laundry: Gas Dryer Hookup, Inside, Laundry Room, Upper Level
Levels: Two
Spa: Association

Exterior & lot

Lot size: 0.124 acres (5,383 sq ft)
Pool: Association
View: Mountains
Year built: 2019
Parking: Direct Access, Driveway, Garage
Parking spaces: 2

Community

Area: 686 - Ontario
County: San Bernardino
Community features: Biking, Dog Park, Hiking, Park, Sidewalks
HOA fee: $165/mo

Listing details

Status: Active
Property type: Single Family Residence
Days on market: 80
Listed: 2026-05-06
Original price: $1,166,888
Terms: Cash, Conventional, FHA, Va Loan
Parcel #: 1073091300000
MLS #: IG26097386

Listed by

Luis Sabroso · Fiv Realty Co.

951-444-9111 nino@providentrealestate.comDRE #01298445

Location

Price history

Listed: $1,166,888 · 2026-05-06
Price reduced: $1,028,888 (−$138,000)
Days on market: 80
Current price: $1,028,888

Financing

Could this home be yours?

Estimated monthly payment

$6,454

$5,203 principal & interest · $1,252 taxes & insurance

Down payment (20%)

$205,778

Est. rate (%)

Estimate only

Term (years)

Loan $823,110

Estimates only and not a loan offer. Property tax and insurance vary by location. Get pre-qualified below for your actual rate and payment.

Own a home?

What's your home worth?

Estimated value range nearby

$2,650,580 – $3,111,550

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 Fiv Realty Co.. © 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.