About 21504 Cold Spring Lane
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.
Features of 21504 Cold Spring Lane
| MLS® # | WS26113219 |
|---|---|
| Price | $1,460,000 |
| Bedrooms | 4 |
| Bathrooms | 3.00 |
| Full Baths | 3 |
| Square Footage | 2,712 |
| Lot Size | 14,248 |
| Year Built | 1977 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Status | Pending |
| # Of Units | 1 |
Community Information
| Address | 21504 Cold Spring Lane |
|---|---|
| Area | 616 - Diamond Bar |
| City | Diamond Bar |
| County | Los Angeles |
| Zip Code | 91765 |
Amenities
| Parking Spaces | 3 |
|---|---|
| # of Garages | 3 |
| View | City Lights, Mountain(s) |
| Is Waterfront | No |
| Has Pool | Yes |
| Pool | In Ground, Private |
Interior
| Interior Features | Bedroom on Main Level, Entrance Foyer, Walk-In Pantry, Walk-In Closet(s), Jack and Jill Bath |
|---|---|
| Heating | Central |
| Cooling | Central Air |
| Has Basement | No |
| Fireplace | Yes |
| Fireplaces | Family Room |
| # of Stories | 2 |
| Stories | Two |
Exterior
| Lot Description | Back Yard, Front Yard |
|---|
School Information
| District | Walnut Valley Unified |
|---|---|
| Elementary | Castle Rock |
| Middle | South Pointe |
| High | Diamond Bar |
Additional Information
| Date Listed | May 25th, 2026 |
|---|---|
| Days on Market | 87 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Allen Shi |
|---|---|
| Office | Wetrust Realty |