20814 E Boulder, Diamond Bar, California 91789, Diamond Bar, 91789 - 3 bed, 3 bath
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Diamond Bar, California 91789
This Modernized Single-Family Residence is listed at $1,150,000, offering exceptional value right at its $1,150,222 Fair Market Value. Boasting an Excellent Condition Rating, the home features a remodeled kitchen with quartz countertops, vaulted ceilings, and new flooring throughout. Located in the prestigious Walnut Valley Unified School District, it offers walking distance access to Diamond Bar High School and Ronald Reagan Park. With a spacious lot providing ADU potential, this property combines immediate luxury with long-term flexibility. It is an ideal match for Owner-Occupants or growing families seeking a polished, turnkey lifestyle.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 20814 E Boulder Subject | $1,128,000* List Price | 3 | 3 | 1,546 | $648 | - |
A 1551 Walnut Leaf Sold | $1,048,000 | 4 | 3 | 1,672 | $627 | 1.0 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
The property has undergone extensive recent renovations, featuring a modern kitchen with white shaker cabinets, quartz countertops, and stainless steel appliances. The bathrooms have been updated with contemporary tile work and fixtures. With vaulted ceilings, new flooring throughout, and a well-maintained exterior including a new fence, the home meets high quality standards with no visible deferred maintenance.
Situated in the highly sought-after South Diamond Bar area, this home is within walking distance to Ronald Reagan Park and the prestigious Diamond Bar High School within the Walnut Valley Unified School District.
The property boasts an open and bright floor plan with vaulted ceilings and a recently remodeled kitchen featuring quartz countertops, providing a move-in-ready aesthetic.
The large lot includes a spacious backyard with a new fence, offering ample room for a home addition or the construction of an Accessory Dwelling Unit (ADU) to increase property value.
With only 1,546 square feet of living space at a $1.15M price point, the property represents a premium valuation that may challenge buyers looking for more interior volume.
Unlike many premium properties in the hilly Diamond Bar area, this listing specifically notes a lack of views, which may affect its competitive edge against neighboring homes with city or canyon vistas.
Beautiful Home located in the Desirable Area of S Diamond bar. Walk to the Roanld Reagan Park and Diamond Bar High School. Open and Bright Floor Plan with Large Vaulted Ceiling Of Living Room. Remodeled Kitchen with Quartz Counter tops. Downstair Full Bathroom with Shower. Upstairs has Huge Master Bedroom and two guest Bedroom. Hugh backyard with Green Meadow and New Fence. Big Lot Room for Addition and ADU. Elegant Front Porch. Convenient Location to 57 and 60 Fwy. Tennis court in the Park. Quiet Neighborhoood. Best Location to Easy Commute to Shopping, Schools, Work.
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 3.0 | 4.0 | 37% |
| Baths | 3.0 | 3.0 | 50% |
| Square foot | 1,546 | 2,091 | 15% |
| Lot Size | 5,096 | 8,826 | 5% |
| Price | $1.13M | $1.20M | 43% |
| Price per sq ft | $730 | $608 | 91% |
| Built year | 1987 | 1983 | 64% |
| HOA | $10.0 | $0 | 86% |
| Days on market | 68 | 169 | 13% |
Mar 21, 2026
$1,128,000
$1,150,000
-2% Price Drop
Initial Listing
Feb 13, 2026
$1,150,000
Initial Listing
Oct 2, 2024
$1,060,000
Public Record
Oct 24, 2013
$585,000
Public Record
May 8, 2001
$287,500
Public Record
Nov 6, 1997
$212,500
Public Record