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21109 Willow Heights Dr

Diamond Bar, CA 91765

4 bd 3 ba 3,161 sqft Built 2015 Lot 4,923 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

YearBuildingLandTotal assessedTax paid
2025 $892,240 $591,896 $1,484,136 $18,366
2024 $892,240 $591,896 $1,484,136 $17,582
2023 $857,595 $568,913 $1,426,508 $17,155
2022 $840,780 $557,758 $1,398,538 $16,801
2021 $824,295 $546,822 $1,371,117 $16,494
2020 $815,843 $541,216 $1,357,059 $16,211
2019 $799,847 $530,604 $1,330,451 $15,897
2018 $784,164 $520,200 $1,304,364 $15,303
2017 $764,989 $510,000 $1,274,989 $14,357
2016 $749,990 $500,000 $1,249,990 $13,937
2015 $287,634 $287,634 $3,343

Property facts

Year built
2015
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
3,161 sqft
Lot size
4,923 sqft
ZIP code
91765
City
Diamond Bar
Street
Willow Heights Dr
Coordinates
33.96708, -117.84370

Comparable properties nearby

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 21109 Willow Heights Dr last sell?
No public-record sale is on file for 21109 Willow Heights Dr.
What is the current tax assessment for 21109 Willow Heights Dr?
The most recent total assessment for 21109 Willow Heights Dr (year 2025) is $1,484,136 with $18,366 in property tax.
When was 21109 Willow Heights Dr built?
21109 Willow Heights Dr was built in 2015.
How does 21109 Willow Heights Dr compare to others on Willow Heights Dr?
We track 5 other properties on Willow Heights Dr. Browse the list under "Other properties on Willow Heights Dr" to compare beds, baths, and sale history.
What are the property facts for 21109 Willow Heights Dr?
21109 Willow Heights Dr is a 4 bed, 3 bath, 3,161 sqft, 4,923 sqft lot single_family.
Is 21109 Willow Heights Dr a flip candidate?
No — 21109 Willow Heights Dr does not appear in our flips dataset.
Is 21109 Willow Heights Dr a tax-appeal candidate?
No — 21109 Willow Heights Dr is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+1.0%
Implied 1-yr
+4.1%
2026 Q3
$1.43M
2026 Q4
$1.44M
ZIP 91765 — Median Price History + Forecast

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