21231 Fountain Springs Rd
Diamond Bar, CA 91765
4 bd 2 ba 1,576 sqft Built 1962 Lot 8,335 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 | $174,900 | $774,100 | $949,000 | $11,874 |
| 2024 | $174,900 | $774,100 | $949,000 | $1,646 |
| 2023 | $61,134 | $30,232 | $91,366 | $1,614 |
| 2022 | $59,936 | $29,640 | $89,576 | $1,579 |
| 2021 | $58,761 | $29,059 | $87,820 | $1,543 |
| 2020 | $58,159 | $28,762 | $86,921 | $1,525 |
| 2019 | $57,019 | $28,199 | $85,218 | $1,500 |
| 2018 | $55,901 | $27,647 | $83,548 | $1,363 |
| 2017 | $70,655 | $27,105 | $97,760 | $1,485 |
| 2016 | $69,270 | $26,574 | $95,844 | $1,433 |
| 2015 | $68,230 | $26,175 | $94,405 | $1,436 |
| 2014 | $66,894 | $25,663 | $92,557 | $1,444 |
| 2013 | $66,592 | $25,548 | $92,140 | $1,424 |
| 2012 | $65,287 | $25,048 | $90,335 | $1,414 |
| 2010 | $64,007 | $24,557 | $88,564 | $1,358 |
| 2009 | $63,529 | $24,374 | $87,903 | $1,338 |
| 2008 | $62,432 | $23,953 | $86,385 | $1,292 |
| 2007 | $61,208 | $23,484 | $84,692 | $1,220 |
Property facts
Year built
1962
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,576 sqft
Lot size
8,335 sqft
ZIP code
91765
City
Diamond Bar
Street
Fountain Springs Rd
Coordinates
33.97908, -117.83979
Comparable properties nearby
Frequently asked questions
When did 21231 Fountain Springs Rd last sell?
No public-record sale is on file for 21231 Fountain Springs Rd.
What is the current tax assessment for 21231 Fountain Springs Rd?
The most recent total assessment for 21231 Fountain Springs Rd (year 2025) is $949,000 with $11,874 in property tax.
When was 21231 Fountain Springs Rd built?
21231 Fountain Springs Rd was built in 1962.
How does 21231 Fountain Springs Rd compare to others on Fountain Springs Rd?
We track 3 other properties on Fountain Springs Rd. Browse the list under "Other properties on Fountain Springs Rd" to compare beds, baths, and sale history.
What are the property facts for 21231 Fountain Springs Rd?
21231 Fountain Springs Rd is a 4 bed, 2 bath, 1,576 sqft, 8,335 sqft lot single_family.
Is 21231 Fountain Springs Rd a flip candidate?
No — 21231 Fountain Springs Rd does not appear in our flips dataset.
Is 21231 Fountain Springs Rd a tax-appeal candidate?
No — 21231 Fountain Springs 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
Other properties on Fountain Springs Rd