640 I St
Ontario, CA 91764
2 bd 1 ba 904 sqft Built 1928 Lot 6,649 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 | $282,784 | $152,268 | $435,052 | $4,786 |
| 2024 | $282,784 | $152,268 | $435,052 | $4,677 |
| 2023 | $271,803 | $146,355 | $418,158 | $4,545 |
| 2022 | $266,474 | $143,485 | $409,959 | $4,485 |
| 2021 | $261,249 | $140,672 | $401,921 | $4,458 |
| 2020 | $258,570 | $139,230 | $397,800 | $4,380 |
| 2019 | $253,500 | $136,500 | $390,000 | $4,342 |
| 2018 | $175,000 | $95,000 | $270,000 | $3,030 |
| 2017 | $58,949 | $57,568 | $116,517 | $1,297 |
| 2016 | $57,793 | $56,439 | $114,232 | $1,247 |
| 2015 | $56,925 | $55,591 | $112,516 | $1,238 |
| 2014 | $55,810 | $54,502 | $110,312 | $1,200 |
| 2013 | $55,558 | $54,256 | $109,814 | $1,211 |
| 2012 | $54,469 | $53,192 | $107,661 | $1,151 |
| 2011 | $53,401 | $52,149 | $105,550 | $1,145 |
| 2010 | $53,002 | $51,759 | $104,761 | $1,135 |
| 2009 | $53,128 | $51,882 | $105,010 | $1,134 |
| 2008 | $52,086 | $50,865 | $102,951 | $1,115 |
| 2007 | $51,065 | $49,868 | $100,933 | $1,081 |
Property facts
Year built
1928
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
904 sqft
Lot size
6,649 sqft
ZIP code
91764
City
Ontario
Street
I St
Coordinates
34.07404, -117.64241
Comparable properties nearby
Frequently asked questions
When did 640 I St last sell?
No public-record sale is on file for 640 I St.
What is the current tax assessment for 640 I St?
The most recent total assessment for 640 I St (year 2025) is $435,052 with $4,786 in property tax.
When was 640 I St built?
640 I St was built in 1928.
How does 640 I St compare to others on I St?
We track 8 other properties on I St. Browse the list under "Other properties on I St" to compare beds, baths, and sale history.
What are the property facts for 640 I St?
640 I St is a 2 bed, 1 bath, 904 sqft, 6,649 sqft lot single_family.
Is 640 I St a flip candidate?
No — 640 I St does not appear in our flips dataset.
Is 640 I St a tax-appeal candidate?
No — 640 I 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
+0.4%
Implied 1-yr
+1.7%
2026 Q3
$670.3K
2026 Q4
$673K