23590 Prospect Valley Dr
Diamond Bar, CA 91765
4 bd 2 ba 1,560 sqft Built 1959 Lot 9,418 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 | $127,954 | $511,824 | $639,778 | $8,866 |
| 2024 | $127,954 | $511,824 | $639,778 | $8,127 |
| 2023 | $122,987 | $491,950 | $614,937 | $7,970 |
| 2022 | $120,576 | $482,304 | $602,880 | $7,848 |
| 2021 | $118,212 | $472,848 | $591,060 | $7,676 |
| 2020 | $53,327 | $22,386 | $75,713 | $1,460 |
| 2019 | $52,282 | $21,948 | $74,230 | $1,476 |
| 2018 | $51,257 | $21,518 | $72,775 | $1,299 |
| 2017 | $50,252 | $21,097 | $71,349 | $1,275 |
| 2016 | $49,267 | $20,684 | $69,951 | $1,212 |
| 2015 | $48,527 | $20,374 | $68,901 | $1,202 |
| 2014 | $47,577 | $19,975 | $67,552 | $1,203 |
| 2013 | $47,362 | $19,885 | $67,247 | $1,185 |
| 2012 | $46,434 | $19,496 | $65,930 | $1,180 |
| 2010 | $45,524 | $19,114 | $64,638 | $1,131 |
| 2009 | $45,184 | $18,972 | $64,156 | $1,094 |
| 2008 | $44,404 | $18,646 | $63,050 | $1,039 |
| 2007 | $43,534 | $18,281 | $61,815 | $993 |
Property facts
Year built
1959
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,560 sqft
Lot size
9,418 sqft
ZIP code
91765
City
Diamond Bar
Street
Prospect Valley Dr
Coordinates
34.02238, -117.80750
Comparable properties nearby
Frequently asked questions
When did 23590 Prospect Valley Dr last sell?
No public-record sale is on file for 23590 Prospect Valley Dr.
What is the current tax assessment for 23590 Prospect Valley Dr?
The most recent total assessment for 23590 Prospect Valley Dr (year 2025) is $639,778 with $8,866 in property tax.
When was 23590 Prospect Valley Dr built?
23590 Prospect Valley Dr was built in 1959.
How does 23590 Prospect Valley Dr compare to others on Prospect Valley Dr?
We track 5 other properties on Prospect Valley Dr. Browse the list under "Other properties on Prospect Valley Dr" to compare beds, baths, and sale history.
What are the property facts for 23590 Prospect Valley Dr?
23590 Prospect Valley Dr is a 4 bed, 2 bath, 1,560 sqft, 9,418 sqft lot single_family.
Is 23590 Prospect Valley Dr a flip candidate?
No — 23590 Prospect Valley Dr does not appear in our flips dataset.
Is 23590 Prospect Valley Dr a tax-appeal candidate?
No — 23590 Prospect Valley 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 Prospect Valley Dr