21504 Cold Spring Lane, Diamond Bar
$1,460,000
4 bd · 3 ba · 2,712 sqft · Home · Diamond Bar · 108 days on market
Updated September 10, 2026
Key Facts
- Price / SqFt
- $538
- Property Type
- Home
- Year Built
- 1977
- Lot Size
- 14,248 sqft
- Garage
- 3 cars
- Stories
- 2
- Days on Market
- 108
- Listed
- May 24, 2026
- MLS #
- WS26113219
- Status
- Pending
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About this home
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.
Highlights
- 4-bedroom, 3-bath home.
- 2,712 square feet of living space.
- Located in Diamond Bar.
Price History
| Date | Price | Change |
|---|---|---|
| Aug 20, 2026 | $1,460,000 | ▼ −$80,000 |
| Aug 9, 2026 | $1,540,000 | — |
| Listed May 24, 2026 | ||
Location
About Diamond Bar
- Active Listings
- 169
- Median Price
- $1,068,000
Estimate a Monthly Payment
Estimated Monthly Payment
$9,535/mo
Includes estimated taxes and insurance at the assumption rates below. HOA dues are not included — enter your community's HOA (varies widely by community, and absent from listing data) for an accurate total.
- Principal & Interest
- $7,771
- Property Tax
- $1,338
- Insurance
- $426
- HOAnot included — enter your dues
- $0
Estimate only — not a loan offer or rate quote. Confirm actual figures with a lender.
Get Pre-Approved →Listing courtesy of Wetrust Realty
Based on information from California Regional MLS as of 2026-09-10T19:43:54.080Z. 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.