21450 Cold Spring Ln
Diamond Bar, CA 91765
5 bd 3 ba 2,796 sqft Built 1977 Lot 23,505 sqft single_family
Most recent sale
$1,058,000
Oct 7, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 7, 2022 | Sold | $1,058,000 | MLS #WS22129813 |
| Aug 13, 2022 | Price changed | $1,098,000 | MLS #WS22129813 |
| Jul 22, 2022 | Price changed | $1,180,000 | MLS #WS22129813 |
| Jul 17, 2022 | Price changed | $1,280,000 | MLS #WS22129813 |
| Jul 12, 2022 | Price changed | $1,250,000 | MLS #WS22129813 |
| Jun 17, 2022 | Listed | $1,280,000 | MLS #WS22129813 |
| Dec 8, 2020 | Listing removed | $3,650 | CRMLS |
| Oct 28, 2015 | Listing removed | $879,000 | CRMLS |
| Oct 20, 2015 | Listing removed | $3,000 | CRMLS |
| Aug 31, 2015 | Listed for rent | $3,000 | CRMLS |
| Aug 9, 2015 | Price changed | $879,000 | MLS #TR15089423 |
| Jun 15, 2015 | Price changed | $899,000 | MLS #TR15089423 |
| Apr 28, 2015 | Listed | $929,000 | MLS #TR15089423 |
| Mar 6, 2013 | Sold | $680,000 | MLS #A12074029 |
| Jan 3, 2013 | Listing removed | $688,000 | CRMLS |
| Jan 1, 2013 | Relisted | $688,000 | MLS #A12074029 |
| Nov 13, 2012 | Listing removed | $688,000 | CRMLS |
| Nov 6, 2012 | Relisted | $688,000 | MLS #A12074029 |
| Sep 14, 2012 | Listing removed | $688,000 | CRMLS |
| Sep 6, 2012 | Relisted | $688,000 | MLS #A12074029 |
| Aug 17, 2012 | Listing removed | $688,000 | CRMLS |
| Jul 1, 2012 | Price changed | $688,000 | MLS #A12074029 |
| Jun 13, 2012 | Listed | $699,000 | MLS #A12074029 |
| May 30, 2006 | Sold | $795,000 | MLS #H602974 |
| Mar 4, 2006 | Listed | $818,000 | MLS #H602974 |
| Jun 21, 2000 | Sold | $373,000 | Public Record |
| May 7, 1985 | Sold | $210,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $323,044 | $765,214 | $1,088,258 | $13,900 |
| 2024 | $323,044 | $765,214 | $1,088,258 | $13,248 |
| 2023 | $310,500 | $735,500 | $1,046,000 | $12,884 |
| 2022 | $411,706 | $377,357 | $789,063 | $9,907 |
| 2021 | $403,634 | $369,958 | $773,592 | $9,673 |
| 2020 | $399,496 | $366,165 | $765,661 | $9,552 |
| 2019 | $391,663 | $358,986 | $750,649 | $9,371 |
| 2018 | $383,984 | $351,948 | $735,932 | $8,968 |
| 2017 | $376,455 | $345,048 | $721,503 | $8,560 |
| 2016 | $369,074 | $338,283 | $707,357 | $8,304 |
| 2015 | $363,531 | $333,202 | $696,733 | $8,355 |
| 2014 | $356,410 | $326,676 | $683,086 | $8,369 |
| 2013 | $206,800 | $439,300 | $646,100 | $7,838 |
| 2012 | $206,800 | $439,300 | $646,100 | $7,964 |
| 2010 | $194,200 | $412,500 | $606,700 | $7,426 |
| 2009 | $194,200 | $412,500 | $606,700 | $7,392 |
| 2008 | $264,781 | $562,336 | $827,117 | $9,847 |
| 2007 | $259,590 | $551,310 | $810,900 | $9,351 |
Property facts
Year built
1977
Property type
single_family
Stories
2
Beds
5
Baths
3
Living area
2,796 sqft
Lot size
23,505 sqft
ZIP code
91765
City
Diamond Bar
Street
Cold Spring Ln
Coordinates
33.97027, -117.84010
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$8,947
Gross rental yield
10.15%
Implied cap rate
6.60%
Trend-extrapolated value
—
Frequently asked questions
When did 21450 Cold Spring Ln last sell?
21450 Cold Spring Ln most recently sold on Oct 7, 2022 for $1,058,000.
What is the current tax assessment for 21450 Cold Spring Ln?
The most recent total assessment for 21450 Cold Spring Ln (year 2025) is $1,088,258 with $13,900 in property tax.
How does 21450 Cold Spring Ln's assessment compare to its last sale price?
The current assessment is 2.9% above the last sale price of $1,058,000.
When was 21450 Cold Spring Ln built?
21450 Cold Spring Ln was built in 1977.
How does 21450 Cold Spring Ln compare to others on Cold Spring Ln?
We track 6 other properties on Cold Spring Ln. Browse the list under "Other properties on Cold Spring Ln" to compare beds, baths, and sale history.
What are the property facts for 21450 Cold Spring Ln?
21450 Cold Spring Ln is a 5 bed, 3 bath, 2,796 sqft, 23,505 sqft lot single_family.
Is 21450 Cold Spring Ln a flip candidate?
No — 21450 Cold Spring Ln does not appear in our flips dataset.
Is 21450 Cold Spring Ln a tax-appeal candidate?
No — 21450 Cold Spring Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.0%
Implied 1-yr
+4.1%
2026 Q3
$1.43M
2026 Q4
$1.44M
ZIP 91765 — Median Price History + Forecast
Explore nearby
Geography
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