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1423 Copper Mountain Diamond Bar, CA $ 1,299,999
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1423 Copper Mountain
$ 1,299,999
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1423 Copper Mountain

Diamond Bar, CA, 91765
$ 1,299,999
Bedrooms4 Baths3.0 Sq 2,380

Monthly Estimate*

$ 8,004

Listed by Samuel G. Castorena Jr
1423 Copper Mountain, Diamond Bar, CA 91765 - Image 1

Single Family Home for sale in Diamond Bar, CA

for $1,299,999 with 4 bedrooms and 3 full baths. This 2,380 square foot home was built in 1978 on a lot size of 0.164.

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 today’s buyers. This turnkey property is currently being refreshed with new interior and exterior paint, complementing the home’s updated kitchen and modern contemporary feel throughout. From the moment you walk in, you’ll 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 you’re 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, this home combines suburban comfort with everyday convenience. If you’ve been searching for a modern upgraded home in Diamond Bar with views, paid solar, privacy, excellent schools, hiking trails, and a prime cul-de-sac location, this is one you do not want to miss. Walnut Valley Unified School District Quail Summit Elementary Paid solar home Cul-de-sac home City light views Turnkey home Modern upgrades Private backyard Fruit trees Hiking trails nearby Energy-efficient home Move-in ready Diamond Bar real estate Quiet neighborhood Family-friendly neighborhood

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Single Family Coming Soon

Price

$ 1,299,999

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.164

Year Built

1978

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

TR26115009

Days on Market

2
Features
General
Living Area 2380
Sewer Public Sewer
Heating Central
Cooling Central Air
HOA Fee 0
Garage Spaces 2
Pool Features None
Construction Materials Copper Plumbing
Year Built 1978
View City Lights
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Community Features Curbs Street Lights
County Los Angeles
New Construction false
Property Type Residential
HOA false
Attached Garage true
Contingency None
Garage Y/N true
Full Baths 3
Special Listing Conditions Standard
Status Coming Soon
Directions Qualsummit lesft from DB Blvd than right on Copper Mountain
High School Diamond Bar
City Diamond Bar
Entry Location 1
Senior Community Y/N false
High School District Walnut Valley Unified
Number Of Units Total 1
MLS Area 616 - Diamond Bar
Lot Size Units Square Feet
Lot Size Square Feet 7144
Listing Terms Cash to Existing Loan
Elementary School Quail Summit
Property Attached Y/N false
Land Lease Y/N false
Middle/Junior High School Chaparral
Additional Parcels Y/N false
Lease Considered Y/N false
Structure Type House
Living Area Units Square Feet
Standard Status Coming Soon
Occupancy Type Vacant
Year Built Source Assessor
Tax Lot 202
Property Sub Type Additional Single Family Residence
Expected Active Date 2026-06-13
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Interior
Interior Amenities Open Floorplan
Fireplace Features Family Room
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Laundry Features Inside
Total Bedrooms 4
Entry Level 1
Main Level Bedrooms 1
Main Level Bathrooms 1
Total Baths 3
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Exterior
Lot Features 0-1 Unit/Acre
Water Source Public
Total Parking 2
Lot Size Area 7144
Lot Size Acres 0.164
Private Pool false
Lot Size Source Assessor
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* Excluded Features
List By
Samuel G. Castorena Jr

Broker

gatewaysamuel@gmail.com

Email

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$8,004
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Monthly Principal & Interest
$8,004
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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
0 Middle School
Diamond Bar High School High School
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Pricing History
DatePricePrice ChangeDescription
5/27/2026$1,299,999 Listed Price

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1423 Copper Mountain, Diamond Bar, CA, 91765 is a Single Family Home for sale at $1,299,999 with 2,380 sqft and a lot size of 0.164. 1423 Copper Mountain has 4 bedrooms, 3.0 baths, and was built in 1978. The property's zip code is 91765 which is in Diamond Bar, CA

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