21415 Cold Spring Ln
Diamond Bar, CA 91765
4 bd 2 ba 2,037 sqft Built 1977 Lot 37,810 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $534,000 | $800,000 | $1,334,000 | $16,576 |
| 2024 | $534,000 | $800,000 | $1,334,000 | $11,823 |
| 2023 | $488,126 | $455,130 | $943,256 | $11,539 |
| 2022 | $478,555 | $446,206 | $924,761 | $11,301 |
| 2021 | $469,172 | $437,457 | $906,629 | $11,095 |
| 2020 | $464,362 | $432,972 | $897,334 | $10,955 |
| 2019 | $455,257 | $424,483 | $879,740 | $10,744 |
| 2018 | $446,331 | $416,160 | $862,491 | $10,309 |
| 2017 | $437,580 | $408,000 | $845,580 | $9,834 |
| 2016 | $429,000 | $400,000 | $829,000 | $9,554 |
| 2015 | $98,407 | $227,791 | $326,198 | $4,132 |
| 2014 | $96,480 | $223,329 | $319,809 | $4,154 |
| 2013 | $96,044 | $222,320 | $318,364 | $4,116 |
| 2012 | $94,161 | $217,961 | $312,122 | $4,102 |
| 2010 | $92,315 | $213,688 | $306,003 | $3,954 |
| 2009 | $91,626 | $212,091 | $303,717 | $3,934 |
| 2008 | $90,044 | $208,427 | $298,471 | $3,826 |
| 2007 | $88,279 | $204,341 | $292,620 | $3,631 |
Property facts
Year built
1977
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
2,037 sqft
Lot size
37,810 sqft
ZIP code
91765
City
Diamond Bar
Street
Cold Spring Ln
Coordinates
33.97140, -117.83856
Comparable properties nearby
Frequently asked questions
When did 21415 Cold Spring Ln last sell?
No public-record sale is on file for 21415 Cold Spring Ln.
What is the current tax assessment for 21415 Cold Spring Ln?
The most recent total assessment for 21415 Cold Spring Ln (year 2025) is $1,334,000 with $16,576 in property tax.
When was 21415 Cold Spring Ln built?
21415 Cold Spring Ln was built in 1977.
How does 21415 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 21415 Cold Spring Ln?
21415 Cold Spring Ln is a 4 bed, 2 bath, 2,037 sqft, 37,810 sqft lot single_family.
Is 21415 Cold Spring Ln a flip candidate?
No — 21415 Cold Spring Ln does not appear in our flips dataset.
Is 21415 Cold Spring Ln a tax-appeal candidate?
No — 21415 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
Other properties on Cold Spring Ln