621 1st Ave
San Mateo, CA 94401
2 bd 1 ba 680 sqft Built 1924 Lot 5,100 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 19, 2024 | Sold | $1,085,000 | BayEast |
| Jan 5, 1999 | Sold | $250,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $230,000 | $855,000 | $1,085,000 | $13,989 |
| 2024 | $230,000 | $855,000 | $1,085,000 | $5,853 |
| 2023 | $188,266 | $188,266 | $376,532 | $5,552 |
| 2022 | $184,575 | $184,575 | $369,150 | $5,564 |
| 2021 | $180,956 | $180,956 | $361,912 | $5,787 |
| 2020 | $179,101 | $179,101 | $358,202 | $5,676 |
| 2019 | $175,590 | $175,590 | $351,180 | $5,560 |
| 2018 | $172,148 | $172,148 | $344,296 | $4,772 |
| 2017 | $168,773 | $168,773 | $337,546 | $4,421 |
| 2016 | $165,464 | $165,464 | $330,928 | $4,611 |
| 2015 | $162,979 | $162,979 | $325,958 | $4,472 |
| 2014 | $159,787 | $159,787 | $319,574 | $4,885 |
| 2013 | $159,065 | $159,065 | $318,130 | $4,495 |
| 2012 | $155,947 | $155,947 | $311,894 | $5,015 |
| 2011 | $152,890 | $152,890 | $305,780 | $4,390 |
| 2010 | $151,748 | $151,748 | $303,496 | $4,842 |
| 2009 | $152,109 | $152,109 | $304,218 | $3,935 |
| 2008 | $149,127 | $149,127 | $298,254 | $4,203 |
| 2007 | $146,203 | $146,203 | $292,406 | $4,096 |
Property facts
Year built
1924
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
680 sqft
Lot size
5,100 sqft
ZIP code
94401
City
San Mateo
Street
1st Ave
Coordinates
37.56938, -122.32109
Comparable properties nearby
Frequently asked questions
When did 621 1st Ave last sell?
No public-record sale is on file for 621 1st Ave.
What is the current tax assessment for 621 1st Ave?
The most recent total assessment for 621 1st Ave (year 2025) is $1,085,000 with $13,989 in property tax.
When was 621 1st Ave built?
621 1st Ave was built in 1924.
How does 621 1st Ave compare to others on 1st Ave?
We track 1 other property on 1st Ave. Browse the list under "Other properties on 1st Ave" to compare beds, baths, and sale history.
What are the property facts for 621 1st Ave?
621 1st Ave is a 2 bed, 1 bath, 680 sqft, 5,100 sqft lot single_family.
Is 621 1st Ave a flip candidate?
No — 621 1st Ave does not appear in our flips dataset.
Is 621 1st Ave a tax-appeal candidate?
No — 621 1st 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 1st Ave