639 4th St
Ontario, CA 91764
3 bd 1 ba 1,119 sqft Built 1923 Lot 8,700 sqft single_family
Most recent sale
$689,000
May 23, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 23, 2022 | Sold | $689,000 | MLS #DW22081400 |
| Apr 21, 2022 | Listed | $639,990 | MLS #DW22081400 |
| Mar 1, 2022 | Sold | $475,000 | Public Record |
| May 30, 1991 | Sold | $125,500 | Public Record |
| Oct 29, 1982 | Sold | $55,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $657,842 | $255,910 | $913,752 | $10,026 |
| 2024 | $657,842 | $255,910 | $913,752 | $9,405 |
| 2023 | $456,807 | $245,973 | $702,780 | $7,624 |
| 2022 | $120,127 | $80,081 | $200,208 | $2,202 |
| 2021 | $117,772 | $78,511 | $196,283 | $2,188 |
| 2020 | $116,564 | $77,706 | $194,270 | $2,150 |
| 2019 | $114,278 | $76,182 | $190,460 | $2,054 |
| 2018 | $112,037 | $74,688 | $186,725 | $2,024 |
| 2017 | $109,840 | $73,224 | $183,064 | $1,950 |
| 2016 | $107,686 | $71,788 | $179,474 | $1,872 |
| 2015 | $106,068 | $70,710 | $176,778 | $1,858 |
| 2014 | $103,990 | $69,325 | $173,315 | $1,799 |
| 2013 | $103,520 | $69,012 | $172,532 | $1,816 |
| 2012 | $101,490 | $67,659 | $169,149 | $1,725 |
| 2011 | $99,500 | $66,332 | $165,832 | $1,714 |
| 2010 | $98,756 | $65,836 | $164,592 | $1,698 |
| 2009 | $98,991 | $65,992 | $164,983 | $1,696 |
| 2008 | $97,050 | $64,698 | $161,748 | $1,667 |
| 2007 | $95,147 | $63,429 | $158,576 | $1,614 |
Property facts
Year built
1923
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,119 sqft
Lot size
8,700 sqft
ZIP code
91764
City
Ontario
Street
4th St
Coordinates
34.07823, -117.64235
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$3,581
Gross rental yield
6.24%
Implied cap rate
4.05%
Trend-extrapolated value
—
Frequently asked questions
When did 639 4th St last sell?
639 4th St most recently sold on May 23, 2022 for $689,000.
What is the current tax assessment for 639 4th St?
The most recent total assessment for 639 4th St (year 2025) is $913,752 with $10,026 in property tax.
How does 639 4th St's assessment compare to its last sale price?
The current assessment is 32.6% above the last sale price of $689,000.
When was 639 4th St built?
639 4th St was built in 1923.
How does 639 4th St compare to others on 4th St?
We track 8 other properties on 4th St. Browse the list under "Other properties on 4th St" to compare beds, baths, and sale history.
What are the property facts for 639 4th St?
639 4th St is a 3 bed, 1 bath, 1,119 sqft, 8,700 sqft lot single_family.
Is 639 4th St a flip candidate?
Yes — 639 4th St appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 639 4th St a tax-appeal candidate?
Yes — 639 4th St appears in our tax-appeal candidates list, meaning its current assessment exceeds its recent sale price by 15% or more.
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
ZIP 91764 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 4th St