420 Wisnom Ave
San Mateo, CA 94401
2 bd 1 ba 1,230 sqft Built 1922 Lot 4,800 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 | $507,500 | $1,042,500 | $1,550,000 | $19,428 |
| 2024 | $507,500 | $1,042,500 | $1,550,000 | $17,487 |
| 2023 | $453,000 | $932,000 | $1,385,000 | $17,190 |
| 2022 | $428,767 | $428,767 | $857,534 | $11,225 |
| 2021 | $420,360 | $420,360 | $840,720 | $11,195 |
| 2020 | $416,050 | $416,050 | $832,100 | $10,690 |
| 2019 | $407,893 | $407,893 | $815,786 | $10,313 |
| 2018 | $399,896 | $399,896 | $799,792 | $9,629 |
| 2017 | $392,055 | $392,055 | $784,110 | $9,352 |
| 2016 | $384,368 | $384,368 | $768,736 | $9,278 |
| 2015 | $378,595 | $378,595 | $757,190 | $9,049 |
| 2014 | $371,179 | $371,179 | $742,358 | $8,878 |
| 2013 | $369,502 | $369,502 | $739,004 | $8,719 |
| 2012 | $362,257 | $362,257 | $724,514 | $8,551 |
| 2011 | $355,154 | $355,154 | $710,308 | $8,345 |
| 2010 | $274,106 | $268,500 | $542,606 | $6,684 |
| 2009 | $274,758 | $269,138 | $543,896 | $6,621 |
| 2008 | $269,371 | $263,861 | $533,232 | $6,398 |
| 2007 | $264,090 | $258,688 | $522,778 | $6,289 |
Property facts
Year built
1922
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
1,230 sqft
Lot size
4,800 sqft
ZIP code
94401
City
San Mateo
Street
Wisnom Ave
Coordinates
37.57085, -122.33538
Comparable properties nearby
Frequently asked questions
When did 420 Wisnom Ave last sell?
No public-record sale is on file for 420 Wisnom Ave.
What is the current tax assessment for 420 Wisnom Ave?
The most recent total assessment for 420 Wisnom Ave (year 2025) is $1,550,000 with $19,428 in property tax.
When was 420 Wisnom Ave built?
420 Wisnom Ave was built in 1922.
How does 420 Wisnom Ave compare to others on Wisnom Ave?
We track 4 other properties on Wisnom Ave. Browse the list under "Other properties on Wisnom Ave" to compare beds, baths, and sale history.
What are the property facts for 420 Wisnom Ave?
420 Wisnom Ave is a 2 bed, 1 bath, 1,230 sqft, 4,800 sqft lot single_family.
Is 420 Wisnom Ave a flip candidate?
No — 420 Wisnom Ave does not appear in our flips dataset.
Is 420 Wisnom Ave a tax-appeal candidate?
No — 420 Wisnom 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
+3.2%
Implied 1-yr
+12.7%
2026 Q3
$1.39M
2026 Q4
$1.39M
ZIP 94401 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Wisnom Ave