Listed by Deng Ou, Universal Elite Inc., (949) 379-6713 . Bought with REALTY PRODIGY
21415 Cold Spring Ln
Diamond Bar, CA 91765
- 4 Beds
- 2 Baths
- 2,037 sqft (on 0.87 acres)
4 Beds
2 Baths
2,037 sqft
(on 0.87 acres)
Local Information
-- mins to
Description
Welcome to an exquisitely upgraded single family home in Diamond Bar. It features spacious 3 bedrooms, 2 bathrooms and 1 Den, and nearly an acre lot. Upon entering through the solid mahogany door, this home opens up with high vaulted ceiling accompanied by solid bamboo floorings. The kitchen is fully upgraded with custom cabinets,tile backlash, granite countertop and stainless steel appliances. The home also features a fresh coat of paint with fully upgraded dual pane windows. All the bathrooms have been fully upgraded with new vanity tops along with solid wood vanities. The master bathroom is further upgraded with a SPA like ambiance. Situated in the heart of Diamond Bar, this home is conveniently located close to H-Mart, Castle Rock Elementary and Diamond Bar High School. Don't miss out on this great opportunity to move into Diamond Bar. Make your appointment to see this turnkey home today!
21415 Cold Spring Ln, Diamond Bar, CA 91765 is a 4 bedroom, 2 bathroom, 2,037 sqft single-family home built in 1977. It last sold for $1,334,000 on Sep 18, 2024 (2% below the $1,356,000 asking price). It is currently off market. The Trulia Estimate is $1,431,900, with a rent estimate of $4,613/month.
Home Highlights
Parking
3 Car Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
180+ days ago
Home Details for 21415 Cold Spring Ln
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Interior Details Number of Rooms: 4Types of Rooms: Master Bedroom, Family Room, Living Room, Office |
Beds & Baths Number of Bedrooms: 4Main Level Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 2Number of Bathrooms (main level): 2 |
Dimensions and Layout Living Area: 2037 Square Feet |
Appliances & Utilities Laundry: In Garage |
Heating & Cooling Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central |
Fireplace & Spa Fireplace: Living RoomHas a Fireplace |
Windows, Doors, Floors & Walls Common Walls: No Common Walls |
Levels, Entrance, & Accessibility Stories: 1Number of Stories: 1Levels: OneEntry Location: front door |
View No ViewView: None |
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Exterior Home Features No Private Pool |
Parking & Garage Number of Garage Spaces: 3Number of Covered Spaces: 3Has a GarageHas an Attached GarageParking Spaces: 3Parking: Garage |
Pool Pool: None |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Surface & Elevation Elevation Units: Feet |
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Cumulative Days on Market: 22 |
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Year Built Year Built: 1977 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House |
Building Not a New ConstructionNot Attached PropertyNo Additional Parcels |
Property Information Parcel Number: 8714005001 |
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Price List Price: $1,356,000 |
Status Change & Dates Off Market Date: Wed Sep 18 2024Possession Timing: Close Plus 3 Days |
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MLS Status: Closed |
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Direction & Address City: Diamond Bar |
School Information High School District: Walnut Valley Unified |
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Community Features: Curbs, SidewalksNot Senior Community |
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Association for this Listing: California Regional MLS |
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Lot Area: 0.87 acres |
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Special Conditions: Standard |
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Listing Terms: Cash to New Loan |
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Mls Number: TR24148638Living Area Range Units: Square FeetAttribution Contact: devonou38@gmail.comBack On Market Date: Fri Aug 30 2024Common Interest: NoneUniversal Property Id: US-06037-N-8714005001-R-N |
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CurbsSidewalks |
Last check for updates: about 13 hours ago
Listed by Deng Ou DRE #01915804
Universal Elite Inc.
Shelly Chen DRE #02082852, (909) 859-4568
Universal Elite Inc.
Bought with: Lina Chu DRE #01431278, REALTY PRODIGY
Co-Buyer's Agent: Kai Xu DRE #01915804, (626) 922-7194, Gainspot Inc.
Originating MLS: California Regional MLS
Source: CRMLS, MLS#TR24148638

Price History for 21415 Cold Spring Ln
| Date | Price | Event | Source |
|---|---|---|---|
| 09/18/2024 | $1,334,000 | Sold | CRMLS #TR24148638 |
| 08/31/2024 | $1,356,000 | Contingent | CRMLS #TR24148638 |
| 08/21/2024 | $1,356,000 | Pending | CRMLS #TR24148638 |
| 08/08/2024 | $1,356,000 | PendingToActive | CRMLS #TR24148638 |
| 08/03/2024 | $1,356,000 | Pending | CRMLS #TR24148638 |
| 07/19/2024 | $1,356,000 | Listed For Sale | CRMLS #TR24148638 |
| 10/15/2015 | $829,000 | Sold | N/A |
| 12/05/1995 | $235,909 | Sold | N/A |
| 03/03/1994 | $246,000 | Sold | N/A |
Market trends in Diamond Bar
Last updated June 2026
Avg. sale price
$1.09M
$1.58KMoM
Sale-to-List Price
99.8%
Price per sq ft
$554
$7MoM
Available listings
198
34MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $16,576 |
| Assessment | $1,334,000 |
Home facts updated by county records
Comparable Sales for 21415 Cold Spring Ln
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.22 | Single-Family Home | $1,390,000 | 09/23/25 | 4 | 3 | 2,712 | |
0.25 | Single-Family Home | $1,330,000 | 05/14/26 | 4 | 3 | 2,037 | |
0.24 | Single-Family Home | $1,505,000 | 05/28/26 | 4 | 3 | 2,712 | |
0.44 | Single-Family Home | $1,180,000 | 02/26/26 | 3 | 2 | 1,752 | |
0.69 | Single-Family Home | $1,280,000 | 07/31/25 | 4 | 2 | 2,037 | |
0.32 | Single-Family Home | $1,030,000 | 02/27/26 | 4 | 2 | 1,756 | |
0.15 | Single-Family Home | $999,999 | 12/05/25 | 3 | 2 | 1,300 | |
0.29 | Single-Family Home | $1,000,000 | 08/05/25 | 4 | 2 | 1,556 | |
0.28 | Single-Family Home | $980,000 | 01/21/26 | 4 | 2 | 1,288 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 21415 Cold Spring Ln.
What Locals Say about Diamond Bar
At least 313 Trulia users voted on each feature.
89 % Say it's dog friendly
88 % Say there are sidewalks
85 % Say car is needed
80 % Say streets are well-lit
78 % Say parking is easy
77 % Say yards are well-kept
74 % Say it's quiet
66 % Say there's holiday spirit
65 % Say people would walk alone at night
64 % Say there's wildlife
60 % Say they plan to stay for at least 5 years
50 % Say kids play outside
48 % Say it's walkable to grocery stores
47 % Say neighbors are friendly
45 % Say it's walkable to restaurants
25 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
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Apartments for Rent
Homes for sale near 21415 Cold Spring Ln
Off Market Homes Near 21415 Cold Spring Ln

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-14 11:29:01 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-14 11:29:01 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information