451 23rd Ave
San Mateo, CA 94403
4 bd 3 ba 2,944 sqft Built 1931 Lot 5,500 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 | $934,803 | $1,282,845 | $2,217,648 | $27,495 |
| 2024 | $934,803 | $1,282,845 | $2,217,648 | $27,096 |
| 2023 | $898,504 | $1,233,032 | $2,131,536 | $26,352 |
| 2022 | $880,887 | $1,208,855 | $2,089,742 | $26,203 |
| 2021 | $863,615 | $1,185,152 | $2,048,767 | $25,407 |
| 2020 | $854,760 | $1,173,000 | $2,027,760 | $24,471 |
| 2019 | $647,907 | $645,556 | $1,293,463 | $15,780 |
| 2018 | $635,204 | $632,899 | $1,268,103 | $15,204 |
| 2017 | $622,750 | $620,490 | $1,243,240 | $14,877 |
| 2016 | $610,540 | $608,324 | $1,218,864 | $14,613 |
| 2015 | $601,370 | $599,187 | $1,200,557 | $14,286 |
| 2014 | $589,591 | $587,450 | $1,177,041 | $14,036 |
| 2013 | $531,000 | $529,000 | $1,060,000 | $12,625 |
| 2012 | $501,000 | $499,000 | $1,000,000 | $11,820 |
| 2011 | $500,000 | $500,000 | $1,000,000 | $11,836 |
| 2010 | $500,000 | $500,000 | $1,000,000 | $11,785 |
| 2009 | $561,255 | $559,215 | $1,120,470 | $12,903 |
| 2008 | $550,250 | $548,250 | $1,098,500 | $12,666 |
| 2007 | $537,500 | $537,500 | $1,075,000 | $12,295 |
Property facts
Year built
1931
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,944 sqft
Lot size
5,500 sqft
ZIP code
94403
City
San Mateo
Street
23rd Ave
Coordinates
37.54323, -122.31520
Comparable properties nearby
Frequently asked questions
When did 451 23rd Ave last sell?
No public-record sale is on file for 451 23rd Ave.
What is the current tax assessment for 451 23rd Ave?
The most recent total assessment for 451 23rd Ave (year 2025) is $2,217,648 with $27,495 in property tax.
When was 451 23rd Ave built?
451 23rd Ave was built in 1931.
How does 451 23rd Ave compare to others on 23rd Ave?
We track 8 other properties on 23rd Ave. Browse the list under "Other properties on 23rd Ave" to compare beds, baths, and sale history.
What are the property facts for 451 23rd Ave?
451 23rd Ave is a 4 bed, 3 bath, 2,944 sqft, 5,500 sqft lot single_family.
Is 451 23rd Ave a flip candidate?
No — 451 23rd Ave does not appear in our flips dataset.
Is 451 23rd Ave a tax-appeal candidate?
No — 451 23rd 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 23rd Ave