21042 Cool Springs Dr
Diamond Bar, CA 91765
4 bd 3 ba 1,856 sqft Built 1963 Lot 7,304 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 | $334,654 | $585,645 | $920,299 | $11,647 |
| 2024 | $334,654 | $585,645 | $920,299 | $11,133 |
| 2023 | $321,660 | $562,904 | $884,564 | $10,866 |
| 2022 | $315,353 | $551,867 | $867,220 | $10,642 |
| 2021 | $309,170 | $541,047 | $850,217 | $10,449 |
| 2020 | $306,000 | $535,500 | $841,500 | $10,317 |
| 2019 | $199,188 | $469,371 | $668,559 | $8,245 |
| 2018 | $195,283 | $460,168 | $655,451 | $7,873 |
| 2017 | $191,454 | $451,146 | $642,600 | $7,511 |
| 2016 | $161,114 | $206,751 | $367,865 | $4,426 |
| 2015 | $151,228 | $203,646 | $354,874 | $4,366 |
| 2014 | $148,266 | $199,657 | $347,923 | $4,373 |
| 2013 | $147,596 | $198,755 | $346,351 | $4,333 |
| 2012 | $144,702 | $194,858 | $339,560 | $4,318 |
| 2010 | $141,865 | $191,038 | $332,903 | $4,160 |
| 2009 | $140,805 | $189,611 | $330,416 | $4,141 |
| 2008 | $138,373 | $186,336 | $324,709 | $4,025 |
| 2007 | $135,660 | $182,683 | $318,343 | $3,817 |
Property facts
Year built
1963
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
1,856 sqft
Lot size
7,304 sqft
ZIP code
91765
City
Diamond Bar
Street
Cool Springs Dr
Coordinates
33.97077, -117.84476
Comparable properties nearby
Frequently asked questions
When did 21042 Cool Springs Dr last sell?
No public-record sale is on file for 21042 Cool Springs Dr.
What is the current tax assessment for 21042 Cool Springs Dr?
The most recent total assessment for 21042 Cool Springs Dr (year 2025) is $920,299 with $11,647 in property tax.
When was 21042 Cool Springs Dr built?
21042 Cool Springs Dr was built in 1963.
How does 21042 Cool Springs Dr compare to others on Cool Springs Dr?
We track 1 other property on Cool Springs Dr. Browse the list under "Other properties on Cool Springs Dr" to compare beds, baths, and sale history.
What are the property facts for 21042 Cool Springs Dr?
21042 Cool Springs Dr is a 4 bed, 3 bath, 1,856 sqft, 7,304 sqft lot single_family.
Is 21042 Cool Springs Dr a flip candidate?
No — 21042 Cool Springs Dr does not appear in our flips dataset.
Is 21042 Cool Springs Dr a tax-appeal candidate?
No — 21042 Cool Springs 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 Cool Springs Dr