451 Union St
San Francisco, CA 94133
1 bd 1 ba 775 sqft Built 1986 condos
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 | $363,635 | $675,324 | $1,038,959 | $13,095 |
| 2024 | $363,635 | $675,324 | $1,038,959 | $12,721 |
| 2023 | $349,515 | $649,101 | $998,616 | $12,526 |
| 2022 | $342,662 | $636,374 | $979,036 | $12,282 |
| 2021 | $335,944 | $623,897 | $959,841 | $12,063 |
| 2020 | $332,500 | $617,500 | $950,000 | $12,175 |
| 2019 | $101,005 | $101,005 | $202,010 | $3,104 |
| 2018 | $99,025 | $99,025 | $198,050 | $3,001 |
| 2017 | $97,084 | $97,084 | $194,168 | $2,668 |
| 2016 | $95,181 | $95,181 | $190,362 | $2,596 |
| 2015 | $93,752 | $93,752 | $187,504 | $2,562 |
| 2014 | $91,916 | $91,916 | $183,832 | $2,496 |
| 2013 | $91,501 | $91,501 | $183,002 | $2,506 |
| 2012 | $89,707 | $89,707 | $179,414 | $2,344 |
| 2010 | $87,949 | $87,949 | $175,898 | $2,270 |
| 2009 | $87,293 | $87,293 | $174,586 | $2,264 |
| 2008 | $85,785 | $85,785 | $171,570 | $2,225 |
| 2007 | $84,103 | $84,103 | $168,206 | $1,951 |
Property facts
Year built
1986
Property type
condos
Stories
—
Beds
1
Baths
1
Living area
775 sqft
Lot size
—
ZIP code
94133
City
San Francisco
Street
Union St
Coordinates
37.80056, -122.40683
Comparable properties nearby
Frequently asked questions
When did 451 Union St last sell?
No public-record sale is on file for 451 Union St.
What is the current tax assessment for 451 Union St?
The most recent total assessment for 451 Union St (year 2025) is $1,038,959 with $13,095 in property tax.
When was 451 Union St built?
451 Union St was built in 1986.
How does 451 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 451 Union St?
451 Union St is a 1 bed, 1 bath, 775 sqft condos.
Is 451 Union St a flip candidate?
No — 451 Union St does not appear in our flips dataset.
Is 451 Union St a tax-appeal candidate?
No — 451 Union 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
+13.6%
Implied 1-yr
+54.4%
2026 Q2
$4.71M
2026 Q3
$5.05M
ZIP 94133 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St