421 25th Ave
San Mateo, CA 94403
4 bd 4 ba 2,740 sqft Built 1947 Lot 7,500 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 | $1,104,080 | $1,526,229 | $2,630,309 | $31,789 |
| 2024 | $1,104,080 | $1,526,229 | $2,630,309 | $31,345 |
| 2023 | $1,061,208 | $1,466,964 | $2,528,172 | $30,860 |
| 2022 | $1,040,400 | $1,438,200 | $2,478,600 | $30,193 |
| 2021 | $1,019,255 | $1,019,255 | $2,038,510 | $2,513 |
| 2020 | $1,008,804 | $1,008,804 | $2,017,608 | $2,284 |
| 2019 | $989,024 | $989,024 | $1,978,048 | $2,841 |
| 2018 | $969,632 | $969,632 | $1,939,264 | $1,197 |
| 2017 | $950,620 | $950,620 | $1,901,240 | $1,159 |
| 2016 | $931,981 | $931,981 | $1,863,962 | $875 |
| 2015 | $917,982 | $917,982 | $1,835,964 | $1,005 |
| 2014 | $900,000 | $900,000 | $1,800,000 | $651 |
| 2013 | $650,000 | $650,000 | $1,300,000 | $16,100 |
| 2012 | $600,000 | $600,000 | $1,200,000 | $15,147 |
| 2011 | $600,000 | $600,000 | $1,200,000 | $14,993 |
| 2010 | $625,000 | $625,000 | $1,250,000 | $15,728 |
| 2009 | $700,000 | $700,000 | $1,400,000 | $16,228 |
| 2008 | $775,000 | $775,000 | $1,550,000 | $17,827 |
| 2007 | $510,092 | $354,032 | $864,124 | $9,671 |
Property facts
Year built
1947
Property type
single_family
Stories
1
Beds
4
Baths
4
Living area
2,740 sqft
Lot size
7,500 sqft
ZIP code
94403
City
San Mateo
Street
25th Ave
Coordinates
37.54214, -122.31360
Comparable properties nearby
Frequently asked questions
When did 421 25th Ave last sell?
No public-record sale is on file for 421 25th Ave.
What is the current tax assessment for 421 25th Ave?
The most recent total assessment for 421 25th Ave (year 2025) is $2,630,309 with $31,789 in property tax.
When was 421 25th Ave built?
421 25th Ave was built in 1947.
How does 421 25th Ave compare to others on 25th Ave?
We track 7 other properties on 25th Ave. Browse the list under "Other properties on 25th Ave" to compare beds, baths, and sale history.
What are the property facts for 421 25th Ave?
421 25th Ave is a 4 bed, 4 bath, 2,740 sqft, 7,500 sqft lot single_family.
Is 421 25th Ave a flip candidate?
No — 421 25th Ave does not appear in our flips dataset.
Is 421 25th Ave a tax-appeal candidate?
No — 421 25th 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 25th Ave