1340 Union St
San Francisco, CA 94109
1 bd 1 ba Built 1951 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 | $325,595 | $488,392 | $813,987 | $10,434 |
| 2024 | $325,595 | $488,392 | $813,987 | $10,137 |
| 2023 | $312,952 | $469,428 | $782,380 | $9,979 |
| 2022 | $306,816 | $460,224 | $767,040 | $9,781 |
| 2021 | $283,200 | $424,800 | $708,000 | $9,085 |
| 2020 | $277,101 | $415,653 | $692,754 | $9,092 |
| 2019 | $271,668 | $407,503 | $679,171 | $8,735 |
| 2018 | $266,342 | $399,513 | $665,855 | $8,442 |
| 2017 | $261,120 | $391,680 | $652,800 | $8,044 |
Property facts
Year built
1951
Property type
condos
Stories
—
Beds
1
Baths
1
Living area
—
Lot size
—
ZIP code
94109
City
San Francisco
Street
Union St
Coordinates
37.79911, -122.42143
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 1340 Union St last sell?
No public-record sale is on file for 1340 Union St.
What is the current tax assessment for 1340 Union St?
The most recent total assessment for 1340 Union St (year 2025) is $813,987 with $10,434 in property tax.
When was 1340 Union St built?
1340 Union St was built in 1951.
How does 1340 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 1340 Union St?
1340 Union St is a 1 bed, 1 bath condos.
Is 1340 Union St a flip candidate?
No — 1340 Union St does not appear in our flips dataset.
Is 1340 Union St a tax-appeal candidate?
No — 1340 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
+3.6%
Implied 1-yr
+14.5%
2026 Q3
$4.1M
2026 Q4
$4.1M
ZIP 94109 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St