3420 20th St
San Francisco, CA 94110
2 bd 2 ba 1,728 sqft Built 1920 Lot 2,571 sqft 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 | $679,173 | $1,018,759 | $1,697,932 | $20,806 |
| 2024 | $679,173 | $1,018,759 | $1,697,932 | $20,207 |
| 2023 | $652,800 | $979,200 | $1,632,000 | $19,903 |
| 2022 | $640,000 | $960,000 | $1,600,000 | $19,525 |
| 2021 | $296,683 | $445,030 | $741,713 | $9,401 |
| 2020 | $293,641 | $440,467 | $734,108 | $9,454 |
| 2019 | $287,884 | $431,831 | $719,715 | $9,131 |
| 2018 | $282,240 | $423,364 | $705,604 | $8,823 |
| 2017 | $276,706 | $415,063 | $691,769 | $8,419 |
| 2016 | $271,281 | $406,925 | $678,206 | $8,266 |
| 2015 | $267,207 | $400,813 | $668,020 | $8,162 |
| 2014 | $261,973 | $392,962 | $654,935 | $7,946 |
| 2013 | $260,790 | $391,187 | $651,977 | $7,994 |
Property facts
Year built
1920
Property type
condos
Stories
—
Beds
2
Baths
2
Living area
1,728 sqft
Lot size
2,571 sqft
ZIP code
94110
City
San Francisco
Street
20th St
Coordinates
37.75890, -122.41742
Comparable properties nearby
Frequently asked questions
When did 3420 20th St last sell?
No public-record sale is on file for 3420 20th St.
What is the current tax assessment for 3420 20th St?
The most recent total assessment for 3420 20th St (year 2025) is $1,697,932 with $20,806 in property tax.
When was 3420 20th St built?
3420 20th St was built in 1920.
How does 3420 20th St compare to others on 20th St?
We track 8 other properties on 20th St. Browse the list under "Other properties on 20th St" to compare beds, baths, and sale history.
What are the property facts for 3420 20th St?
3420 20th St is a 2 bed, 2 bath, 1,728 sqft, 2,571 sqft lot condos.
Is 3420 20th St a flip candidate?
No — 3420 20th St does not appear in our flips dataset.
Is 3420 20th St a tax-appeal candidate?
No — 3420 20th 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
-0.6%
Implied 1-yr
-2.2%
2026 Q3
$1.2M
2026 Q4
$1.19M
ZIP 94110 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 20th St