21155 Running Branch Rd
Diamond Bar, CA 91765
5 bd 3 ba 2,558 sqft Built 1981 Lot 12,872 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 | $530,604 | $848,966 | $1,379,570 | $17,247 |
| 2024 | $530,604 | $848,966 | $1,379,570 | $16,443 |
| 2023 | $510,000 | $816,000 | $1,326,000 | $15,996 |
| 2022 | $500,000 | $800,000 | $1,300,000 | $15,617 |
| 2021 | $370,521 | $246,439 | $616,960 | $7,690 |
| 2020 | $366,722 | $243,913 | $610,635 | $7,592 |
| 2019 | $359,532 | $239,131 | $598,663 | $7,446 |
| 2018 | $352,483 | $234,443 | $586,926 | $7,160 |
| 2017 | $345,572 | $229,847 | $575,419 | $6,835 |
| 2016 | $338,797 | $225,341 | $564,138 | $6,626 |
| 2015 | $333,708 | $221,957 | $555,665 | $6,664 |
| 2014 | $327,172 | $217,610 | $544,782 | $6,672 |
| 2013 | $325,694 | $216,627 | $542,321 | $6,617 |
| 2012 | $319,308 | $212,380 | $531,688 | $6,599 |
| 2010 | $313,048 | $208,216 | $521,264 | $6,360 |
| 2009 | $310,709 | $206,660 | $517,369 | $6,342 |
| 2008 | $305,342 | $203,090 | $508,432 | $6,173 |
| 2007 | $299,355 | $199,108 | $498,463 | $5,857 |
Property facts
Year built
1981
Property type
single_family
Stories
2
Beds
5
Baths
3
Living area
2,558 sqft
Lot size
12,872 sqft
ZIP code
91765
City
Diamond Bar
Street
Running Branch Rd
Coordinates
33.96387, -117.84537
Comparable properties nearby
Frequently asked questions
When did 21155 Running Branch Rd last sell?
No public-record sale is on file for 21155 Running Branch Rd.
What is the current tax assessment for 21155 Running Branch Rd?
The most recent total assessment for 21155 Running Branch Rd (year 2025) is $1,379,570 with $17,247 in property tax.
When was 21155 Running Branch Rd built?
21155 Running Branch Rd was built in 1981.
How does 21155 Running Branch Rd compare to others on Running Branch Rd?
We track 6 other properties on Running Branch Rd. Browse the list under "Other properties on Running Branch Rd" to compare beds, baths, and sale history.
What are the property facts for 21155 Running Branch Rd?
21155 Running Branch Rd is a 5 bed, 3 bath, 2,558 sqft, 12,872 sqft lot single_family.
Is 21155 Running Branch Rd a flip candidate?
No — 21155 Running Branch Rd does not appear in our flips dataset.
Is 21155 Running Branch Rd a tax-appeal candidate?
No — 21155 Running Branch 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 Running Branch Rd