643 I St
Benicia, CA 94510
6 bd 3 ba 3,304 sqft Built 1970 Lot 6,156 sqft multi_family
Most recent sale
$440,000
Aug 27, 2002
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 11, 2025 | Listing removed | $950 | ContraCosta |
| Oct 3, 2024 | Sold | $1,450,000 | BayEast |
| May 16, 2024 | Listed | $1,750,000 | BayEast |
| Dec 15, 2023 | Listing removed | $950 | ContraCosta |
| Jan 5, 2023 | Listing removed | $1,575,000 | Bareis |
| Jul 29, 2022 | Relisted | $1,575,000 | MLS #322049592 |
| Jul 20, 2022 | Price changed | $1,575,000 | MLS #322049592 |
| Jul 2, 2022 | Relisted | $1,670,000 | MLS #322049592 |
| Jun 9, 2022 | Price changed | $1,670,000 | MLS #322049592 |
| Jun 1, 2022 | Listed | $1,750,000 | MLS #322049592 |
| Aug 26, 2003 | Listing removed | $975 | ContraCosta |
| Apr 9, 2003 | Listed for rent | $950 | ContraCosta |
| Aug 27, 2002 | Sold | $440,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,125,000 | $325,000 | $1,450,000 | $16,787 |
| 2024 | $1,125,000 | $325,000 | $1,450,000 | $7,469 |
| 2023 | $438,505 | $174,009 | $612,514 | $7,290 |
| 2022 | $429,907 | $170,598 | $600,505 | $7,154 |
| 2021 | $421,478 | $167,253 | $588,731 | $7,009 |
| 2020 | $417,157 | $165,539 | $582,696 | $6,916 |
| 2019 | $408,978 | $162,294 | $571,272 | $6,796 |
| 2018 | $400,959 | $159,112 | $560,071 | $6,623 |
| 2017 | $393,098 | $155,993 | $549,091 | $6,470 |
| 2016 | $385,391 | $152,935 | $538,326 | $6,526 |
| 2015 | $379,603 | $150,638 | $530,241 | $6,361 |
| 2014 | $372,168 | $147,688 | $519,856 | $6,286 |
| 2013 | $370,486 | $147,021 | $517,507 | $6,008 |
| 2012 | $363,222 | $144,138 | $507,360 | $5,804 |
| 2011 | $356,100 | $141,312 | $497,412 | $5,667 |
| 2010 | $353,439 | $140,256 | $493,695 | $5,630 |
| 2009 | $354,279 | $140,589 | $494,868 | $5,614 |
| 2008 | $347,332 | $137,832 | $485,164 | $5,438 |
| 2007 | $340,522 | $135,129 | $475,651 | $5,317 |
Property facts
Year built
1970
Property type
multi_family
Stories
—
Beds
6
Baths
3
Living area
3,304 sqft
Lot size
6,156 sqft
ZIP code
94510
City
Benicia
Street
I St
Coordinates
38.04649, -122.14601
Comparable properties nearby
Frequently asked questions
When did 643 I St last sell?
643 I St most recently sold on Aug 27, 2002 for $440,000.
What is the current tax assessment for 643 I St?
The most recent total assessment for 643 I St (year 2025) is $1,450,000 with $16,787 in property tax.
How does 643 I St's assessment compare to its last sale price?
The current assessment is 229.5% above the last sale price of $440,000.
When was 643 I St built?
643 I St was built in 1970.
How does 643 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 643 I St?
643 I St is a 6 bed, 3 bath, 3,304 sqft, 6,156 sqft lot multi_family.
Is 643 I St a flip candidate?
No — 643 I St does not appear in our flips dataset.
Is 643 I St a tax-appeal candidate?
No — 643 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
-4.0%
Implied 1-yr
-16.1%
2026 Q3
$526.8K
2026 Q4
$498.2K