23721 Prospect Valley Dr
Diamond Bar, CA 91765
4 bd 2 ba 1,640 sqft Built 1961 Lot 9,159 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 | $235,142 | $533,866 | $769,008 | $10,428 |
| 2024 | $235,142 | $533,866 | $769,008 | $9,571 |
| 2023 | $128,283 | $513,137 | $641,420 | $9,357 |
| 2022 | $125,768 | $503,076 | $628,844 | $8,070 |
| 2021 | $123,302 | $493,212 | $616,514 | $7,891 |
| 2020 | $122,038 | $488,155 | $610,193 | $7,864 |
| 2019 | $119,646 | $478,584 | $598,230 | $8,064 |
| 2018 | $117,300 | $469,200 | $586,500 | $7,454 |
| 2017 | $55,955 | $22,789 | $78,744 | $1,451 |
| 2016 | $54,858 | $22,343 | $77,201 | $1,381 |
| 2015 | $54,034 | $22,008 | $76,042 | $1,371 |
| 2014 | $52,976 | $21,577 | $74,553 | $1,372 |
| 2013 | $52,737 | $21,480 | $74,217 | $1,353 |
| 2012 | $51,703 | $21,059 | $72,762 | $1,350 |
| 2010 | $50,690 | $20,647 | $71,337 | $1,298 |
| 2009 | $50,312 | $20,493 | $70,805 | $1,256 |
| 2008 | $49,444 | $20,140 | $69,584 | $1,196 |
| 2007 | $48,475 | $19,746 | $68,221 | $1,146 |
Property facts
Year built
1961
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,640 sqft
Lot size
9,159 sqft
ZIP code
91765
City
Diamond Bar
Street
Prospect Valley Dr
Coordinates
34.02436, -117.80507
Comparable properties nearby
Frequently asked questions
When did 23721 Prospect Valley Dr last sell?
No public-record sale is on file for 23721 Prospect Valley Dr.
What is the current tax assessment for 23721 Prospect Valley Dr?
The most recent total assessment for 23721 Prospect Valley Dr (year 2025) is $769,008 with $10,428 in property tax.
When was 23721 Prospect Valley Dr built?
23721 Prospect Valley Dr was built in 1961.
How does 23721 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 23721 Prospect Valley Dr?
23721 Prospect Valley Dr is a 4 bed, 2 bath, 1,640 sqft, 9,159 sqft lot single_family.
Is 23721 Prospect Valley Dr a flip candidate?
No — 23721 Prospect Valley Dr does not appear in our flips dataset.
Is 23721 Prospect Valley Dr a tax-appeal candidate?
No — 23721 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