633 Mount St
Diamond Bar, CA 91765
4 bd 3 ba 2,430 sqft Built 1972 Lot 9,226 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 | $242,288 | $560,881 | $803,169 | $10,913 |
| 2024 | $242,288 | $560,881 | $803,169 | $10,002 |
| 2023 | $232,881 | $539,102 | $771,983 | $9,806 |
| 2022 | $228,315 | $528,532 | $756,847 | $9,655 |
| 2021 | $223,839 | $518,169 | $742,008 | $9,521 |
| 2020 | $221,544 | $512,856 | $734,400 | $9,405 |
| 2019 | $227,203 | $285,631 | $512,834 | $2,480 |
| 2018 | $222,749 | $280,031 | $502,780 | $6,449 |
| 2017 | $218,382 | $274,541 | $492,923 | $6,335 |
| 2016 | $214,100 | $269,158 | $483,258 | $6,053 |
| 2015 | $210,885 | $265,115 | $476,000 | $6,001 |
| 2014 | $206,755 | $259,922 | $466,677 | $5,957 |
| 2013 | $205,821 | $258,748 | $464,569 | $5,905 |
| 2012 | $201,786 | $253,675 | $455,461 | $5,923 |
| 2010 | $197,830 | $248,701 | $446,531 | $5,708 |
| 2009 | $196,352 | $246,843 | $443,195 | $5,561 |
| 2008 | $192,960 | $242,579 | $435,539 | $5,299 |
| 2007 | $189,177 | $237,823 | $427,000 | $5,142 |
Property facts
Year built
1972
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,430 sqft
Lot size
9,226 sqft
ZIP code
91765
City
Diamond Bar
Street
Mount St
Coordinates
34.01010, -117.81365
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 633 Mount St last sell?
No public-record sale is on file for 633 Mount St.
What is the current tax assessment for 633 Mount St?
The most recent total assessment for 633 Mount St (year 2025) is $803,169 with $10,913 in property tax.
When was 633 Mount St built?
633 Mount St was built in 1972.
How does 633 Mount St compare to others on Mount St?
We track 2 other properties on Mount St. Browse the list under "Other properties on Mount St" to compare beds, baths, and sale history.
What are the property facts for 633 Mount St?
633 Mount St is a 4 bed, 3 bath, 2,430 sqft, 9,226 sqft lot single_family.
Is 633 Mount St a flip candidate?
No — 633 Mount St does not appear in our flips dataset.
Is 633 Mount St a tax-appeal candidate?
No — 633 Mount St 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 Mount St