20821 High Country Dr
Diamond Bar, CA 91789
3 bd 3 ba 2,000 sqft Built 1986 Lot 6,186 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 | $421,986 | $518,082 | $940,068 | $12,368 |
| 2024 | $421,986 | $518,082 | $940,068 | $11,826 |
| 2023 | $405,600 | $497,965 | $903,565 | $11,538 |
| 2022 | $397,648 | $488,201 | $885,849 | $11,293 |
| 2021 | $389,851 | $478,629 | $868,480 | $11,080 |
| 2020 | $385,854 | $473,722 | $859,576 | $10,641 |
| 2019 | $378,289 | $464,434 | $842,723 | $10,439 |
| 2018 | $370,872 | $455,328 | $826,200 | $10,030 |
| 2017 | $363,600 | $446,400 | $810,000 | $9,575 |
| 2016 | $285,794 | $403,340 | $689,134 | $8,160 |
| 2015 | $281,502 | $397,282 | $678,784 | $8,208 |
| 2014 | $275,988 | $389,500 | $665,488 | $8,213 |
| 2013 | $238,000 | $337,000 | $575,000 | $7,154 |
| 2012 | $238,000 | $337,000 | $575,000 | $7,266 |
| 2010 | $264,073 | $372,685 | $636,758 | $5,278 |
| 2009 | $220,276 | $188,291 | $408,567 | $5,260 |
| 2008 | $216,471 | $185,039 | $401,510 | $5,122 |
| 2007 | $212,227 | $181,411 | $393,638 | $4,871 |
Property facts
Year built
1986
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
2,000 sqft
Lot size
6,186 sqft
ZIP code
91789
City
Diamond Bar
Street
High Country Dr
Coordinates
33.98215, -117.85091
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20821 High Country Dr last sell?
No public-record sale is on file for 20821 High Country Dr.
What is the current tax assessment for 20821 High Country Dr?
The most recent total assessment for 20821 High Country Dr (year 2025) is $940,068 with $12,368 in property tax.
When was 20821 High Country Dr built?
20821 High Country Dr was built in 1986.
How does 20821 High Country Dr compare to others on High Country Dr?
We track 4 other properties on High Country Dr. Browse the list under "Other properties on High Country Dr" to compare beds, baths, and sale history.
What are the property facts for 20821 High Country Dr?
20821 High Country Dr is a 3 bed, 3 bath, 2,000 sqft, 6,186 sqft lot single_family.
Is 20821 High Country Dr a flip candidate?
No — 20821 High Country Dr does not appear in our flips dataset.
Is 20821 High Country Dr a tax-appeal candidate?
No — 20821 High Country 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
+2.3%
Implied 1-yr
+9.0%
2026 Q3
$1.61M
2026 Q4
$1.64M
ZIP 91789 — Median Price History + Forecast
Explore nearby
Geography
Other properties on High Country Dr