21 Viola St
South San Francisco, CA 94080
4 bd 3 ba 3,300 sqft Built 2003 Lot 4,617 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 | $1,203,370 | $926,266 | $2,129,636 | $23,719 |
| 2024 | $1,203,370 | $926,266 | $2,129,636 | $23,570 |
| 2023 | $1,156,643 | $890,300 | $2,046,943 | $23,246 |
| 2022 | $1,133,964 | $872,844 | $2,006,808 | $21,885 |
| 2021 | $918,661 | $918,661 | $1,837,322 | $20,236 |
| 2020 | $909,242 | $909,242 | $1,818,484 | $19,994 |
| 2019 | $891,414 | $891,414 | $1,782,828 | $19,767 |
| 2018 | $873,936 | $873,936 | $1,747,872 | $19,292 |
| 2017 | $856,800 | $856,800 | $1,713,600 | $18,875 |
| 2016 | $806,581 | $806,581 | $1,613,162 | $17,904 |
| 2015 | $636,500 | $636,500 | $1,273,000 | $14,237 |
| 2014 | $500,000 | $500,000 | $1,000,000 | $11,288 |
| 2013 | $550,000 | $550,000 | $1,100,000 | $12,172 |
| 2012 | $450,000 | $450,000 | $900,000 | $9,993 |
| 2011 | $443,000 | $442,000 | $885,000 | $9,747 |
| 2010 | $465,000 | $465,000 | $930,000 | $10,162 |
| 2009 | $500,000 | $500,000 | $1,000,000 | $10,070 |
| 2008 | $726,927 | $726,927 | $1,453,854 | $15,357 |
| 2007 | $712,674 | $712,674 | $1,425,348 | $15,077 |
Property facts
Year built
2003
Property type
single_family
Stories
3
Beds
4
Baths
3
Living area
3,300 sqft
Lot size
4,617 sqft
ZIP code
94080
City
South San Francisco
Street
Viola St
Coordinates
37.66766, -122.40955
Comparable properties nearby
Frequently asked questions
When did 21 Viola St last sell?
No public-record sale is on file for 21 Viola St.
What is the current tax assessment for 21 Viola St?
The most recent total assessment for 21 Viola St (year 2025) is $2,129,636 with $23,719 in property tax.
When was 21 Viola St built?
21 Viola St was built in 2003.
How does 21 Viola St compare to others on Viola St?
We track 3 other properties on Viola St. Browse the list under "Other properties on Viola St" to compare beds, baths, and sale history.
What are the property facts for 21 Viola St?
21 Viola St is a 4 bed, 3 bath, 3,300 sqft, 4,617 sqft lot single_family.
Is 21 Viola St a flip candidate?
No — 21 Viola St does not appear in our flips dataset.
Is 21 Viola St a tax-appeal candidate?
No — 21 Viola 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
-0.7%
Implied 1-yr
-2.8%
2026 Q3
$1.31M
2026 Q4
$1.3M
ZIP 94080 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Viola St