445 23rd Ave
San Mateo, CA 94403
3 bd 2 ba 1,560 sqft Built 1951 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 | $621,500 | $1,326,500 | $1,948,000 | $24,429 |
| 2024 | $621,500 | $1,326,500 | $1,948,000 | $26,632 |
| 2023 | $634,000 | $1,356,000 | $1,990,000 | $24,513 |
| 2022 | $702,000 | $1,500,000 | $2,202,000 | $26,936 |
| 2021 | $469,959 | $469,959 | $939,918 | $12,225 |
| 2020 | $465,141 | $465,141 | $930,282 | $11,655 |
| 2019 | $456,021 | $456,021 | $912,042 | $11,269 |
| 2018 | $447,080 | $447,080 | $894,160 | $10,693 |
| 2017 | $438,314 | $438,314 | $876,628 | $10,318 |
| 2016 | $429,720 | $429,720 | $859,440 | $10,223 |
| 2015 | $423,266 | $423,266 | $846,532 | $10,060 |
| 2014 | $414,975 | $414,975 | $829,950 | $9,733 |
| 2013 | $413,100 | $413,100 | $826,200 | $9,697 |
| 2012 | $90,785 | $29,267 | $120,052 | $1,761 |
| 2011 | $89,005 | $28,694 | $117,699 | $1,778 |
| 2010 | $88,340 | $28,480 | $116,820 | $1,737 |
| 2009 | $88,550 | $28,548 | $117,098 | $1,584 |
| 2008 | $86,814 | $27,989 | $114,803 | $1,587 |
| 2007 | $85,112 | $27,441 | $112,553 | $1,518 |
Property facts
Year built
1951
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,560 sqft
Lot size
5,500 sqft
ZIP code
94403
City
San Mateo
Street
23rd Ave
Coordinates
37.54328, -122.31504
Comparable properties nearby
Frequently asked questions
When did 445 23rd Ave last sell?
No public-record sale is on file for 445 23rd Ave.
What is the current tax assessment for 445 23rd Ave?
The most recent total assessment for 445 23rd Ave (year 2025) is $1,948,000 with $24,429 in property tax.
When was 445 23rd Ave built?
445 23rd Ave was built in 1951.
How does 445 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 445 23rd Ave?
445 23rd Ave is a 3 bed, 2 bath, 1,560 sqft, 5,500 sqft lot single_family.
Is 445 23rd Ave a flip candidate?
No — 445 23rd Ave does not appear in our flips dataset.
Is 445 23rd Ave a tax-appeal candidate?
No — 445 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