1414 Copper Mountain Dr
Diamond Bar, CA 91765
4 bd 3 ba 2,033 sqft Built 1978 Lot 7,069 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 | $513,136 | $446,205 | $959,341 | $12,089 |
| 2024 | $513,136 | $446,205 | $959,341 | $11,552 |
| 2023 | $493,211 | $428,879 | $922,090 | $11,274 |
| 2022 | $483,541 | $420,470 | $904,011 | $11,041 |
| 2021 | $474,060 | $412,226 | $886,286 | $10,839 |
| 2020 | $469,200 | $408,000 | $877,200 | $10,701 |
| 2019 | $460,000 | $400,000 | $860,000 | $10,495 |
| 2018 | $262,058 | $456,200 | $718,258 | $8,673 |
| 2017 | $256,920 | $447,255 | $704,175 | $8,274 |
| 2016 | $251,883 | $438,486 | $690,369 | $8,035 |
| 2015 | $248,100 | $431,900 | $680,000 | $8,085 |
| 2014 | $213,000 | $429,000 | $642,000 | $7,810 |
| 2013 | $191,000 | $385,000 | $576,000 | $7,029 |
| 2012 | $177,000 | $357,800 | $534,800 | $6,666 |
| 2010 | $177,000 | $357,800 | $534,800 | $6,934 |
| 2009 | $189,200 | $382,400 | $571,600 | $6,153 |
| 2008 | $196,500 | $397,100 | $593,600 | $7,097 |
| 2007 | $217,770 | $440,130 | $657,900 | $7,577 |
Property facts
Year built
1978
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,033 sqft
Lot size
7,069 sqft
ZIP code
91765
City
Diamond Bar
Street
Copper Mountain Dr
Coordinates
33.99564, -117.80826
Comparable properties nearby
Frequently asked questions
When did 1414 Copper Mountain Dr last sell?
No public-record sale is on file for 1414 Copper Mountain Dr.
What is the current tax assessment for 1414 Copper Mountain Dr?
The most recent total assessment for 1414 Copper Mountain Dr (year 2025) is $959,341 with $12,089 in property tax.
When was 1414 Copper Mountain Dr built?
1414 Copper Mountain Dr was built in 1978.
How does 1414 Copper Mountain Dr compare to others on Copper Mountain Dr?
We track 3 other properties on Copper Mountain Dr. Browse the list under "Other properties on Copper Mountain Dr" to compare beds, baths, and sale history.
What are the property facts for 1414 Copper Mountain Dr?
1414 Copper Mountain Dr is a 4 bed, 3 bath, 2,033 sqft, 7,069 sqft lot single_family.
Is 1414 Copper Mountain Dr a flip candidate?
No — 1414 Copper Mountain Dr does not appear in our flips dataset.
Is 1414 Copper Mountain Dr a tax-appeal candidate?
No — 1414 Copper Mountain Dr 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 Copper Mountain Dr