621 Humboldt St
San Mateo, CA 94402
3 bd 2 ba 1,890 sqft Built 1929 Lot 5,000 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 | $622,397 | $1,136,553 | $1,758,950 | $22,458 |
| 2024 | $622,397 | $1,136,553 | $1,758,950 | $22,110 |
| 2023 | $598,230 | $1,092,420 | $1,690,650 | $21,163 |
| 2022 | $586,500 | $1,071,000 | $1,657,500 | $20,745 |
| 2021 | $102,224 | $27,128 | $129,352 | $2,928 |
| 2020 | $101,176 | $26,850 | $128,026 | $2,956 |
| 2019 | $99,193 | $26,324 | $125,517 | $2,630 |
| 2018 | $97,249 | $25,808 | $123,057 | $2,117 |
| 2017 | $95,343 | $25,302 | $120,645 | $2,110 |
| 2016 | $93,474 | $24,806 | $118,280 | $2,048 |
| 2015 | $92,070 | $24,434 | $116,504 | $2,026 |
| 2014 | $90,267 | $23,956 | $114,223 | $2,089 |
| 2013 | $89,860 | $23,848 | $113,708 | $1,900 |
| 2012 | $88,099 | $23,381 | $111,480 | $1,744 |
| 2011 | $86,372 | $22,923 | $109,295 | $1,699 |
| 2010 | $85,727 | $22,752 | $108,479 | $1,664 |
| 2009 | $85,931 | $22,807 | $108,738 | $1,569 |
| 2008 | $84,247 | $22,360 | $106,607 | $1,585 |
| 2007 | $82,596 | $21,922 | $104,518 | $1,552 |
Property facts
Year built
1929
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
1,890 sqft
Lot size
5,000 sqft
ZIP code
94402
City
San Mateo
Street
Humboldt St
Coordinates
37.56736, -122.31346
Comparable properties nearby
Frequently asked questions
When did 621 Humboldt St last sell?
No public-record sale is on file for 621 Humboldt St.
What is the current tax assessment for 621 Humboldt St?
The most recent total assessment for 621 Humboldt St (year 2025) is $1,758,950 with $22,458 in property tax.
When was 621 Humboldt St built?
621 Humboldt St was built in 1929.
How does 621 Humboldt St compare to others on Humboldt St?
We track 8 other properties on Humboldt St. Browse the list under "Other properties on Humboldt St" to compare beds, baths, and sale history.
What are the property facts for 621 Humboldt St?
621 Humboldt St is a 3 bed, 2 bath, 1,890 sqft, 5,000 sqft lot single_family.
Is 621 Humboldt St a flip candidate?
No — 621 Humboldt St does not appear in our flips dataset.
Is 621 Humboldt St a tax-appeal candidate?
No — 621 Humboldt 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
+0.9%
Implied 1-yr
+3.7%
2026 Q3
$2.71M
2026 Q4
$2.74M
ZIP 94402 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Humboldt St