21 39th Ave
San Mateo, CA 94403
4 bd — ba 2,263 sqft Built 1957 Lot 6,750 sqft multi_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 | $378,850 | $1,136,553 | $1,515,403 | $20,524 |
| 2024 | $378,850 | $1,136,553 | $1,515,403 | $20,377 |
| 2023 | $364,140 | $1,092,420 | $1,456,560 | $19,447 |
| 2022 | $357,000 | $1,071,000 | $1,428,000 | $19,104 |
| 2021 | $536,562 | $536,562 | $1,073,124 | $15,040 |
| 2020 | $531,061 | $531,061 | $1,062,122 | $14,267 |
| 2019 | $520,649 | $520,649 | $1,041,298 | $13,625 |
| 2018 | $510,441 | $510,441 | $1,020,882 | $12,877 |
| 2017 | $500,433 | $500,433 | $1,000,866 | $12,509 |
| 2016 | $490,621 | $490,621 | $981,242 | $12,298 |
| 2015 | $483,252 | $483,252 | $966,504 | $11,737 |
| 2014 | $473,786 | $473,786 | $947,572 | $11,723 |
| 2013 | $471,645 | $471,645 | $943,290 | $11,300 |
| 2012 | $462,398 | $462,398 | $924,796 | $10,997 |
| 2011 | $453,332 | $453,332 | $906,664 | $11,056 |
| 2010 | $449,944 | $449,944 | $899,888 | $10,808 |
| 2009 | $451,013 | $451,013 | $902,026 | $11,093 |
| 2008 | $442,170 | $442,170 | $884,340 | $11,088 |
| 2007 | $433,500 | $433,500 | $867,000 | $10,841 |
Property facts
Year built
1957
Property type
multi_family
Stories
1
Beds
4
Baths
—
Living area
2,263 sqft
Lot size
6,750 sqft
ZIP code
94403
City
San Mateo
Street
39th Ave
Coordinates
37.53366, -122.29192
Comparable properties nearby
Frequently asked questions
When did 21 39th Ave last sell?
No public-record sale is on file for 21 39th Ave.
What is the current tax assessment for 21 39th Ave?
The most recent total assessment for 21 39th Ave (year 2025) is $1,515,403 with $20,524 in property tax.
When was 21 39th Ave built?
21 39th Ave was built in 1957.
How does 21 39th Ave compare to others on 39th Ave?
We track 8 other properties on 39th Ave. Browse the list under "Other properties on 39th Ave" to compare beds, baths, and sale history.
What are the property facts for 21 39th Ave?
21 39th Ave is a 4 bed, — bath, 2,263 sqft, 6,750 sqft lot multi_family.
Is 21 39th Ave a flip candidate?
No — 21 39th Ave does not appear in our flips dataset.
Is 21 39th Ave a tax-appeal candidate?
No — 21 39th Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.9%
Implied 1-yr
+7.7%
2026 Q3
$2.08M
2026 Q4
$2.11M
ZIP 94403 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 39th Ave