21 Los Altos Pl
San Mateo, CA 94402
3 bd 2 ba 1,570 sqft Built 1966 Lot 8,450 sqft single_family
Most recent sale
$2,150,000
May 25, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 28, 2022 | Sold | $2,300,000 | Public Record |
| Jun 23, 2022 | Price changed | $2,288,000 | MLS #ML81890238 |
| Jun 16, 2022 | Price changed | $2,445,000 | MLS #ML81890238 |
| May 26, 2022 | Price changed | $2,428,000 | MLS #ML81890238 |
| May 5, 2022 | Listed | $2,550,000 | MLS #ML81890238 |
| May 25, 2021 | Sold | $2,150,000 | MLS #ML81838539 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $645,048 | $1,747,872 | $2,392,920 | $29,232 |
| 2024 | $645,048 | $1,747,872 | $2,392,920 | $28,802 |
| 2023 | $620,000 | $1,680,000 | $2,300,000 | $28,223 |
| 2022 | $622,200 | $1,570,800 | $2,193,000 | $26,634 |
| 2021 | $98,074 | $31,644 | $129,718 | $3,213 |
| 2020 | $97,069 | $31,320 | $128,389 | $1,657 |
| 2019 | $95,166 | $30,706 | $125,872 | $1,557 |
| 2018 | $93,300 | $30,104 | $123,404 | $1,487 |
| 2017 | $91,471 | $29,514 | $120,985 | $1,426 |
| 2016 | $89,678 | $28,936 | $118,614 | $1,426 |
| 2015 | $88,331 | $28,502 | $116,833 | $1,426 |
| 2014 | $86,601 | $27,944 | $114,545 | $1,425 |
| 2013 | $86,210 | $27,818 | $114,028 | $1,425 |
| 2012 | $84,520 | $27,273 | $111,793 | $1,425 |
| 2011 | $82,863 | $26,739 | $109,602 | $1,275 |
| 2010 | $82,244 | $26,540 | $108,784 | $2,414 |
| 2009 | $82,440 | $26,604 | $109,044 | $2,180 |
| 2008 | $80,824 | $26,083 | $106,907 | $2,052 |
| 2007 | $79,240 | $25,572 | $104,812 | $2,017 |
Property facts
Year built
1966
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,570 sqft
Lot size
8,450 sqft
ZIP code
94402
City
San Mateo
Street
Los Altos Pl
Coordinates
37.52180, -122.33814
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$12,900
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 21 Los Altos Pl last sell?
21 Los Altos Pl most recently sold on May 25, 2021 for $2,150,000.
What is the current tax assessment for 21 Los Altos Pl?
The most recent total assessment for 21 Los Altos Pl (year 2025) is $2,392,920 with $29,232 in property tax.
How does 21 Los Altos Pl's assessment compare to its last sale price?
The current assessment is 11.3% above the last sale price of $2,150,000.
When was 21 Los Altos Pl built?
21 Los Altos Pl was built in 1966.
How does 21 Los Altos Pl compare to others on Los Altos Pl?
We track 4 other properties on Los Altos Pl. Browse the list under "Other properties on Los Altos Pl" to compare beds, baths, and sale history.
What are the property facts for 21 Los Altos Pl?
21 Los Altos Pl is a 3 bed, 2 bath, 1,570 sqft, 8,450 sqft lot single_family.
Is 21 Los Altos Pl a flip candidate?
No — 21 Los Altos Pl does not appear in our flips dataset.
Is 21 Los Altos Pl a tax-appeal candidate?
No — 21 Los Altos Pl is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.9%
Implied 1-yr
+3.7%
2026 Q3
$2.71M
2026 Q4
$2.74M
ZIP 94402 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Los Altos Pl