257 40th Ave
San Mateo, CA 94403
3 bd 1 ba 1,390 sqft Built 1950 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 | $249,378 | $316,453 | $565,831 | $8,654 |
| 2024 | $249,378 | $316,453 | $565,831 | $8,680 |
| 2023 | $239,697 | $304,167 | $543,864 | $8,377 |
| 2022 | $209,004 | $209,004 | $418,008 | $7,906 |
| 2021 | $204,906 | $204,906 | $409,812 | $6,652 |
| 2020 | $202,805 | $202,805 | $405,610 | $6,238 |
| 2019 | $198,829 | $198,829 | $397,658 | $5,879 |
| 2018 | $194,931 | $194,931 | $389,862 | $5,741 |
| 2017 | $191,109 | $191,109 | $382,218 | $5,094 |
| 2016 | $187,362 | $187,362 | $374,724 | $4,845 |
| 2015 | $184,548 | $184,548 | $369,096 | $4,711 |
| 2014 | $180,933 | $180,933 | $361,866 | $5,016 |
| 2013 | $180,116 | $180,116 | $360,232 | $5,010 |
| 2012 | $176,585 | $176,585 | $353,170 | $4,537 |
| 2011 | $173,123 | $173,123 | $346,246 | $4,516 |
| 2010 | $171,830 | $171,830 | $343,660 | $4,507 |
| 2009 | $172,239 | $172,239 | $344,478 | $4,624 |
| 2008 | $168,862 | $168,862 | $337,724 | $4,613 |
| 2007 | $165,551 | $165,551 | $331,102 | $4,330 |
Property facts
Year built
1950
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,390 sqft
Lot size
7,500 sqft
ZIP code
94403
City
San Mateo
Street
40th Ave
Coordinates
37.53446, -122.28629
Comparable properties nearby
Frequently asked questions
When did 257 40th Ave last sell?
No public-record sale is on file for 257 40th Ave.
What is the current tax assessment for 257 40th Ave?
The most recent total assessment for 257 40th Ave (year 2025) is $565,831 with $8,654 in property tax.
When was 257 40th Ave built?
257 40th Ave was built in 1950.
How does 257 40th Ave compare to others on 40th Ave?
We track 8 other properties on 40th Ave. Browse the list under "Other properties on 40th Ave" to compare beds, baths, and sale history.
What are the property facts for 257 40th Ave?
257 40th Ave is a 3 bed, 1 bath, 1,390 sqft, 7,500 sqft lot single_family.
Is 257 40th Ave a flip candidate?
No — 257 40th Ave does not appear in our flips dataset.
Is 257 40th Ave a tax-appeal candidate?
No — 257 40th 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 40th Ave