3831 Castle Rock Rd
Diamond Bar, CA 91765
4 bd 2 ba 1,724 sqft Built 1963 Lot 7,886 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 | $195,543 | $542,664 | $738,207 | $9,596 |
| 2024 | $195,543 | $542,664 | $738,207 | $9,095 |
| 2023 | $187,950 | $521,593 | $709,543 | $8,780 |
| 2022 | $184,265 | $511,366 | $695,631 | $8,597 |
| 2021 | $180,652 | $501,340 | $681,992 | $8,439 |
| 2020 | $220,495 | $281,305 | $501,800 | $6,346 |
| 2019 | $216,172 | $275,790 | $491,962 | $6,225 |
| 2018 | $211,934 | $270,383 | $482,317 | $5,986 |
| 2017 | $207,779 | $265,082 | $472,861 | $5,715 |
| 2016 | $203,705 | $259,885 | $463,590 | $5,547 |
| 2015 | $200,646 | $255,982 | $456,628 | $5,580 |
| 2014 | $196,716 | $250,968 | $447,684 | $5,588 |
| 2013 | $164,220 | $274,380 | $438,600 | $5,460 |
| 2012 | $87,900 | $277,100 | $365,000 | $4,692 |
| 2010 | $251,680 | $201,506 | $453,186 | $5,801 |
| 2009 | $98,100 | $375,400 | $473,500 | $4,671 |
| 2008 | $122,871 | $470,156 | $593,027 | $7,084 |
| 2007 | $120,462 | $460,938 | $581,400 | $6,727 |
Property facts
Year built
1963
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,724 sqft
Lot size
7,886 sqft
ZIP code
91765
City
Diamond Bar
Street
Castle Rock Rd
Coordinates
33.96141, -117.85279
Comparable properties nearby
Frequently asked questions
When did 3831 Castle Rock Rd last sell?
No public-record sale is on file for 3831 Castle Rock Rd.
What is the current tax assessment for 3831 Castle Rock Rd?
The most recent total assessment for 3831 Castle Rock Rd (year 2025) is $738,207 with $9,596 in property tax.
When was 3831 Castle Rock Rd built?
3831 Castle Rock Rd was built in 1963.
How does 3831 Castle Rock Rd compare to others on Castle Rock Rd?
We track 8 other properties on Castle Rock Rd. Browse the list under "Other properties on Castle Rock Rd" to compare beds, baths, and sale history.
What are the property facts for 3831 Castle Rock Rd?
3831 Castle Rock Rd is a 4 bed, 2 bath, 1,724 sqft, 7,886 sqft lot single_family.
Is 3831 Castle Rock Rd a flip candidate?
No — 3831 Castle Rock Rd does not appear in our flips dataset.
Is 3831 Castle Rock Rd a tax-appeal candidate?
No — 3831 Castle Rock Rd 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 Castle Rock Rd