223 Humboldt St
San Mateo, CA 94401
4 bd 2 ba 1,510 sqft Built 1946 Lot 7,828 sqft single_family
Most recent sale
$1,400,000
Mar 21, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 31, 2025 | Sold | $1,320,000 | MLSListings |
| Dec 1, 2025 | Price changed | $1,198,000 | MLSListings |
| Oct 21, 2025 | Listed | $1,598,000 | MLSListings |
| Apr 16, 2024 | Price changed | $1,628,888 | MLSListings |
| Mar 23, 2024 | Listed | $1,668,888 | MLSListings |
| Mar 21, 2022 | Sold | $1,400,000 | MLS #ML81881005 |
| Mar 4, 2022 | Listed | $1,098,000 | MLS #ML81881005 |
| Sep 12, 1986 | Sold | $72,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $159,181 | $1,326,510 | $1,485,691 | $20,264 |
| 2024 | $159,181 | $1,326,510 | $1,485,691 | $19,445 |
| 2023 | $125,000 | $1,038,000 | $1,163,000 | $15,585 |
| 2022 | $175,440 | $1,020,000 | $1,195,440 | $15,633 |
| 2021 | $307,492 | $276,829 | $584,321 | $16,425 |
| 2020 | $304,340 | $273,992 | $578,332 | $9,318 |
| 2019 | $298,373 | $268,620 | $566,993 | $7,723 |
| 2018 | $292,523 | $263,354 | $555,877 | $7,688 |
| 2017 | $286,788 | $258,191 | $544,979 | $7,709 |
| 2016 | $281,166 | $253,130 | $534,296 | $7,256 |
| 2015 | $276,944 | $249,329 | $526,273 | $7,156 |
| 2014 | $271,520 | $244,446 | $515,966 | $7,429 |
| 2013 | $270,294 | $243,342 | $513,636 | $6,431 |
| 2012 | $264,995 | $238,571 | $503,566 | $6,443 |
| 2011 | $259,800 | $233,894 | $493,694 | $6,083 |
| 2010 | $257,859 | $232,147 | $490,006 | $6,389 |
| 2009 | $258,473 | $232,699 | $491,172 | $6,060 |
| 2008 | $253,406 | $228,137 | $481,543 | $5,583 |
| 2007 | $248,438 | $223,664 | $472,102 | $5,358 |
Property facts
Year built
1946
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,510 sqft
Lot size
7,828 sqft
ZIP code
94401
City
San Mateo
Street
Humboldt St
Coordinates
37.57046, -122.31671
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,832
Gross rental yield
4.14%
Implied cap rate
2.69%
Trend-extrapolated value
—
Frequently asked questions
When did 223 Humboldt St last sell?
223 Humboldt St most recently sold on Mar 21, 2022 for $1,400,000.
What is the current tax assessment for 223 Humboldt St?
The most recent total assessment for 223 Humboldt St (year 2025) is $1,485,691 with $20,264 in property tax.
How does 223 Humboldt St's assessment compare to its last sale price?
The current assessment is 6.1% above the last sale price of $1,400,000.
When was 223 Humboldt St built?
223 Humboldt St was built in 1946.
How does 223 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 223 Humboldt St?
223 Humboldt St is a 4 bed, 2 bath, 1,510 sqft, 7,828 sqft lot single_family.
Is 223 Humboldt St a flip candidate?
No — 223 Humboldt St does not appear in our flips dataset.
Is 223 Humboldt St a tax-appeal candidate?
No — 223 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
+3.2%
Implied 1-yr
+12.7%
2026 Q3
$1.39M
2026 Q4
$1.39M
ZIP 94401 — Median Price History + Forecast
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Geography
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