4665 S Flagstone Avenue, Ontario, California 91762, Ontario, 91762 - 4 bed, 4 bath
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4665 S Flagstone Avenue
Ontario, California 91762
ACTIVE
CONDITION: EXCELLENT
4Beds
4Baths
3,124Sq Ft
5,383Lot Size
Property Price
LIST PRICE$969,888
EST. MARKET VALUE
$969,888
SUMMARY
This Stunning Move-In Ready Home is listed at $978,888, representing a stable valuation at its $978,888 Fair Market Value. Built in 2019, the property maintains an Excellent Condition Rating, featuring a modern multi-generational layout with a downstairs guest suite and a spacious loft. Residents enjoy resort-style amenities in the premier Park Place community, including pools, sports courts, and a gym. With proximity to top-tier education like Eleanor Roosevelt High School (9/10), this property offers a perfect blend of luxury and convenience for growing families or discerning professionals seeking a turnkey lifestyle.
Estimated Market Value
$969,888
Based on Realkey algorithm analyzing recent comparable sales in Ontario.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 4665 S Flagstone Avenue Subject | $969,888* List Price | 4 | 4 | 3,124 | $310 | - |
A 2648 E Tatum Lane Sold | $935,000 | 4 | 4 | 2,810 | $333 | 0.5 mi |
B 4711 S Solstice Avenue Sold | $953,539 | 4 | 3 | 2,393 | $398 | 0.3 mi |
C 2655 E Penelope Lane Sold | $960,000 | 5 | 4 | 2,947 | $326 | 0.5 mi |
D 4712 S Solstice Avenue Sold | $977,539 | 5 | 3 | 2,755 | $355 | 0.3 mi |
E 5122 Cottage Garden Way Sold | $920,000 | 5 | 4 | 3,059 | $301 | 0.7 mi |
F 2632 E Mabel Sold | $1,100,000 | 4 | 4 | 2,810 | $391 | 0.6 mi |
G 5092 Kensington Sold | $940,000 | 4 | 3 | 3,269 | $288 | 0.7 mi |
H 4872 S Jordan Sold | $906,000 | 5 | 3 | 3,105 | $292 | 0.6 mi |
I 4736 S Solstice Avenue Active | $978,880 List Price | 4 | 3 | 2,872 | $341 | 0.3 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Excellent
TeardownExcellent
Property is new construction or fully renovated.
Built in 2019, this property is only 5-6 years old, placing it well within the 'Excellent' category. As a newer construction in Ontario Ranch, the HVAC, electrical systems, kitchen, and bathrooms are modern and original, requiring no maintenance or updates.
PROSSTRENGTHS & OPPORTUNITIES
- Great Schools
High School: Eleanor Roosevelt High School (9/10).
- Modern Multi-Generational Layout
Built in 2019, this home features a highly desirable downstairs guest suite with a private bathroom and walk-in closet, complemented by a spacious second-floor loft for flexible living.
- Resort-Style Community Amenities
Located in the premier Park Place at Ontario Ranch, residents gain access to an extensive suite of amenities including a clubhouse, gym, pool, spa, and various sports courts.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 4, other record bedroom count = 3.
- Extended Days on Market
The property has been active for 114 days, which may create a perception of a 'stale' listing among buyers despite the recent price adjustments.
- High Building-to-Lot Ratio
The 3,124 sqft home sits on a relatively modest 5,383 sqft lot, which may limit outdoor privacy and space for extensive landscaping or large-scale entertaining.
About 4665 S Flagstone Avenue
Reduced Price. Added Bonus! Stunning House in most desirable area of Ontario Ranch "Park Place" Welcome to this beautifully maintained 4 bedroom 3 and a half bath house, with large living room, huge backyard and spacious loft on second floor. Downstairs also includes a guest bedroom with private bathroom and walk in closet, along with separate powder room with 1/2 bathroom for guest. 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.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 2019
- Lot Size
- 5,383 Sq. Ft.
Interior
- Total Bedrooms
- 4
- Total Bathrooms
- 4 (4 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $165.0 / Month
Neighborhood Insights
Ontario Unified Schools
Rosa Parks Elementary School
Grades K-6 • 1.6 mi
6/10
Ranch View Elementary School
Grades K-5 • 1.7 mi
7/10
Harada Elementary School
Grades K-6 • 1.8 mi
7/10
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 3.7 |
| Baths | 4.0 | 2.5 |
| Square foot | 3,124 | 1,780.319 |
| Lot Size | 5,383 | 7,032.331 |
| Price | $969.9K | $742.2K |
| Price per sq ft | $310 | $433 |
| Built year | 2019 | 1979 |
| HOA | $165.0 | $167 |
| Days on market | 126 | 54 |
Pricing History
Listed for Sale
Sep 4, 2026
$969,888
$978,888
-1% Price Drop
Initial Listing
Price Change
Aug 22, 2026
$978,888
$1,028,888
-5% Price Drop
Initial Listing
Price Change
Jul 23, 2026
$1,028,888
$1,078,888
-5% Price Drop
Initial Listing
Price Change
Jun 5, 2026
$1,078,888
$1,166,888
-8% Price Drop
Initial Listing
Price Change
May 6, 2026
$1,166,888
Initial Listing
Sold
Mar 30, 2020
$670,000
Public Record