1444 Copper Mountain Dr
Diamond Bar, CA 91765
3 bd 3 ba 2,033 sqft Built 1978 Lot 7,312 sqft single_family
Most recent sale
$1,325,000
Apr 25, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 25, 2022 | Sold | $1,325,000 | MLS #22-131483 |
| Feb 27, 2022 | Listed | $1,180,000 | MLS #22-131483 |
| Apr 22, 2009 | Listing removed | $2,350 | TheMLSCLAW |
| Apr 21, 2009 | Listing removed | $2,350 | ITECH |
| Mar 20, 2009 | Listed for rent | $2,500 | TheMLSCLAW |
| Mar 19, 2009 | Listed for rent | $2,350 | ITECH |
| Apr 3, 2008 | Listing removed | $2,500 | ITECH |
| Feb 4, 2008 | Listed for rent | $2,500 | ITECH |
| Oct 6, 2003 | Sold | $464,500 | Public Record |
| Feb 18, 1983 | Sold | $80,000 | Public Record |
| Feb 28, 1978 | Sold | $145,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $742,845 | $663,255 | $1,406,100 | $17,316 |
| 2024 | $742,845 | $663,255 | $1,406,100 | $16,605 |
| 2023 | $714,000 | $637,500 | $1,351,500 | $16,200 |
| 2022 | $257,899 | $364,414 | $622,313 | $7,723 |
| 2021 | $252,843 | $357,269 | $610,112 | $7,577 |
| 2020 | $250,251 | $353,606 | $603,857 | $7,481 |
| 2019 | $245,345 | $346,673 | $592,018 | $7,337 |
| 2018 | $240,535 | $339,876 | $580,411 | $7,033 |
| 2017 | $235,819 | $333,212 | $569,031 | $6,712 |
| 2016 | $231,196 | $326,679 | $557,875 | $6,512 |
| 2015 | $227,724 | $321,772 | $549,496 | $6,550 |
| 2014 | $223,264 | $315,469 | $538,733 | $6,556 |
| 2013 | $222,255 | $314,044 | $536,299 | $6,501 |
| 2012 | $217,898 | $307,887 | $525,785 | $6,483 |
| 2010 | $196,300 | $277,400 | $473,700 | $5,813 |
| 2009 | $196,300 | $277,400 | $473,700 | $5,782 |
| 2008 | $208,367 | $294,419 | $502,786 | $6,064 |
| 2007 | $204,282 | $288,647 | $492,929 | $5,754 |
Property facts
Year built
1978
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
2,033 sqft
Lot size
7,312 sqft
ZIP code
91765
City
Diamond Bar
Street
Copper Mountain Dr
Coordinates
33.99480, -117.80839
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$6,506
Gross rental yield
5.89%
Implied cap rate
3.83%
Trend-extrapolated value
—
Frequently asked questions
When did 1444 Copper Mountain Dr last sell?
1444 Copper Mountain Dr most recently sold on Apr 25, 2022 for $1,325,000.
What is the current tax assessment for 1444 Copper Mountain Dr?
The most recent total assessment for 1444 Copper Mountain Dr (year 2025) is $1,406,100 with $17,316 in property tax.
How does 1444 Copper Mountain Dr's assessment compare to its last sale price?
The current assessment is 6.1% above the last sale price of $1,325,000.
When was 1444 Copper Mountain Dr built?
1444 Copper Mountain Dr was built in 1978.
How does 1444 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 1444 Copper Mountain Dr?
1444 Copper Mountain Dr is a 3 bed, 3 bath, 2,033 sqft, 7,312 sqft lot single_family.
Is 1444 Copper Mountain Dr a flip candidate?
No — 1444 Copper Mountain Dr does not appear in our flips dataset.
Is 1444 Copper Mountain Dr a tax-appeal candidate?
No — 1444 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
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