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1423 Copper Mountain , Diamond Bar, CA 91765
$1,299,999
Est. Payment: $6,541.39/mo
4 Bed
3 Bath
2380 Sqft
Status: active | Days on site: 56
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VCR-C15903466 - VCR-C159091383,VCR-C159052275

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Chris Heller
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House Description

Nestled on a quiet cul-de-sac in the highly desirable city of Diamond Bar, 1423 Copper Mountain offers the perfect blend of modern upgrades, privacy, energy efficiency, and top-rated schools. Located within walking distance to highly acclaimed Quail Summit Elementary and situated in the award-winning Walnut Valley Unified School District, this beautifully maintained home checks all the boxes for todays buyers. This turnkey property is currently being refreshed with new interior, exterior paint, upgraded PEX plumbing throughout the home complementing the homes updated kitchen and modern contemporary feel throughout. From the moment you walk in, youll notice the pride of ownership and attention to detail that make this home truly move-in ready. Step outside into your own private backyard retreat featuring mature fruit trees, peaceful surroundings, and scenic city light views. Whether youre entertaining guests, enjoying your morning coffee, or relaxing after a long day, this backyard offers the perfect combination of tranquility and functionality. One of the standout features of this home is the fully paid solar system, helping dramatically reduce electricity costs year-round a huge benefit for California homeowners looking for energy-efficient living and long-term savings. Outdoor enthusiasts will appreciate the close proximity to local hiking and walking trails, while the nearby Diamond Bar Center offers community events, concerts in the park, weddings, and year-round entertainment just minutes away. Conveniently located near shopping, dining, parks, and easy freeway access
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Highlights

Listed by Samuel Castorena , 626-253-5129 Samuel G. Castorena Jr , 626-253-5129. San Diego County Multiple Listing Service mls logo

Property Type

Residential
Lot/Acreage
0.16

Year Built

1978

County

Los Angeles

Listing ID

TR26115009

Questions about this listing?

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Interior Features

Bedrooms and Bathrooms
  • ▪ Bedrooms:4
  • ▪ Bathrooms:3
  • ▪ Full Bathrooms:3
Air Cond:Central Forced Air
Fireplaces:FP in Family Room
Other:Copper Plumbing Full
Other:Public

Exterior Features

Garage Capacity:2
Sewer:Public Sewer
Principal Interest
$6,541
Taxes
$829

Home Price

$1,299,999

Loan Details

30 yrs
6.453%

Down Payment

20%
$260,000
All calculations are estimates and provided by Blueroof360. Today’s Rates provided by Blueroof360. Information and interactive calculators are made available to you only as self-help tools for your independent use and are not intended to provide investment or tax advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.
Monthly Price:
$6,541.39

Principal

Taxes

Principal Taxes HOA Total
Monthly $6,541.39 $828.75 $0.00 $7,370.14
Yearly $78,496.67 $9,944.99 $0.00 $88,441.67
Total $2,354,900.20 $298,349.77 $0.00 $2,653,249.97

Today's Rates

30 Year

6.45%

20 Year

6.33%

15 Year

5.88%

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Market insight data is pulled from the same city as the listing being viewed (Diamond Bar, CA).

The schools listed are within a 2-mile radius of the property; however, attendance is not guaranteed. Please contact the local school district to confirm zoning and enrollment options.

The data relating to real estate for sale on this web site comes in part from the San Diego MLS, Inc.. Real estate listings held by brokerage firms other than Heller Real Estate Group | eXp Realty of Southern California | PLACE are marked with the IDX logo. Property locations as displayed on any map are best approximations only and exact locations should be independently verified.

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Data last updated: 2026-08-08T22:20:38.000Z

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