645 O St
Livermore, CA 94551
3 bd 2 ba 1,696 sqft Built 1975 Lot 5,576 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 | $390,425 | $334,650 | $725,075 | $9,402 |
| 2024 | $390,425 | $334,650 | $725,075 | $9,214 |
| 2023 | $375,266 | $321,657 | $696,923 | $9,080 |
| 2022 | $367,909 | $315,351 | $683,260 | $8,952 |
| 2021 | $360,696 | $309,168 | $669,864 | $8,030 |
| 2020 | $357,000 | $306,000 | $663,000 | $8,520 |
| 2019 | $350,000 | $300,000 | $650,000 | $8,558 |
| 2018 | $120,619 | $96,420 | $217,039 | $3,313 |
| 2017 | $118,254 | $94,530 | $212,784 | $3,213 |
| 2016 | $115,936 | $92,676 | $208,612 | $3,070 |
| 2015 | $114,195 | $91,285 | $205,480 | $2,882 |
| 2014 | $111,958 | $89,497 | $201,455 | $2,826 |
| 2013 | $111,452 | $89,093 | $200,545 | $2,832 |
| 2012 | $109,268 | $87,346 | $196,614 | $2,778 |
| 2010 | $107,125 | $85,634 | $192,759 | $2,722 |
| 2009 | $106,325 | $84,994 | $191,319 | $2,726 |
| 2008 | $104,488 | $83,525 | $188,013 | $2,790 |
| 2007 | $102,439 | $81,888 | $184,327 | $2,714 |
Property facts
Year built
1975
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,696 sqft
Lot size
5,576 sqft
ZIP code
94551
City
Livermore
Street
O St
Coordinates
37.68682, -121.77844
Comparable properties nearby
Frequently asked questions
When did 645 O St last sell?
No public-record sale is on file for 645 O St.
What is the current tax assessment for 645 O St?
The most recent total assessment for 645 O St (year 2025) is $725,075 with $9,402 in property tax.
When was 645 O St built?
645 O St was built in 1975.
How does 645 O St compare to others on O St?
We track 8 other properties on O St. Browse the list under "Other properties on O St" to compare beds, baths, and sale history.
What are the property facts for 645 O St?
645 O St is a 3 bed, 2 bath, 1,696 sqft, 5,576 sqft lot single_family.
Is 645 O St a flip candidate?
No — 645 O St does not appear in our flips dataset.
Is 645 O St a tax-appeal candidate?
No — 645 O 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
-2.1%
Implied 1-yr
-8.6%
2026 Q3
$1.02M
2026 Q4
$991.3K