21504 Cold Spring Lane Diamond Bar, CA $ 1,540,000
21504 Cold Spring Lane
$ 1,540,000
Open House 8/1 2pm - 4pm
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21504 Cold Spring Lane

Diamond Bar, CA, 91765
$ 1,540,000
Bedrooms4 Baths3.0 Sq 2,712

Monthly Estimate*

$ 9,724

Listed by Wetrust Realty
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Single Family Home for sale in Diamond Bar, CA

for $1,540,000 with 4 bedrooms and 3 full baths. This 2,712 square foot home was built in 1977 on a lot size of 0.3271.

PAID OFF Solar System with 32 Panasonic Panels. Two Tesla EV charging stations, 2025 AO Smith electric water heater, a whole-house water softener system, newer roof, and newer A/C. Enjoy beautiful mountain views by day and sparkling city lights by night from this lovely home nestled in the desirable hills of Diamond Bar, complete with a private pool perfect for relaxing or entertaining. The bright and airy layout features soaring high ceilings in the living room, abundant natural light, a desirable downstairs bedroom, and a spacious 3-car garage. Located within the award-winning Walnut Valley Unified School District with top-rated 10/10 schools, and just minutes from Diamond Hills Plaza featuring H Mart, popular dining, shopping, and everyday conveniences. NO HOA.

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Open House

8/1/2026 2:00 PM - 4:00 PM
8/2/2026 2:00 PM - 4:00 PM
21504 Cold Spring Lane Diamond Bar, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 1,540,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.3271

Year Built

1977

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

WS26113219

Days on Market

69

Features
General
Living Area 2712
Sewer Public Sewer
Heating Central
Cooling Central Air
HOA Fee 0
Garage Spaces 3
Pool Features In Ground Private
Year Built 1977
View City Lights Mountain(s)
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Community Features Sidewalks
County Los Angeles
New Construction false
Property Type Residential
HOA false
Attached Garage true
Garage Y/N true
Full Baths 3
Special Listing Conditions Standard
Status Active
Directions Diamond bar blvd and cold spring lane
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 14248
Listing Terms Cash Cash to New Loan Conventional
Elementary School Castle Rock
Property Attached Y/N false
Land Lease Y/N false
Middle/Junior High School South Pointe
Additional Parcels Y/N false
Lease Considered Y/N false
Structure Type House
Living Area Units Square Feet
Standard Status Active
Occupancy Type Vacant
Year Built Source Public Records
Tax Lot 1
Property Sub Type Additional Single Family Residence
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Interior
Interior Amenities Bedroom on Main Level Entrance Foyer Jack and Jill Bath Walk-In Pantry Walk-In Closet(s)
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 Washer Hookup Gas Dryer Hookup Laundry Room
Total Bedrooms 4
Entry Level 1
Main Level Bedrooms 1
Main Level Bathrooms 1
Total Baths 3
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Exterior
Lot Features Back Yard Front Yard
Water Source Public
Total Parking 3
Inclusions two Tesla Wall charger
Lot Size Area 14248
Lot Size Acres 0.3271
Private Pool true
Lot Size Source Assessor
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* Excluded Features
List By
Wetrust Realty

Broker

realtorallenshi@gmail.com

Email

Affordability Calculator

$9,724
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Monthly Principal & Interest
$9,724
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Default based on a 30-year fixed rate of 6.49% 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
Pricing History
DatePricePrice ChangeDescription
7/29/2026$1,540,000 -2.53% Price Down
5/30/2026$1,580,000 Listed Price

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21504 Cold Spring Lane, Diamond Bar, CA, 91765 is a Single Family Home for sale at $1,540,000 with 2,712 sqft and a lot size of 0.3271. 21504 Cold Spring Lane has 4 bedrooms, 3.0 baths, and was built in 1977. The property's zip code is 91765 which is in Diamond Bar, CA