100 Alamos Rd
Portola Valley, CA 94028
4 bd 3 ba 4,200 sqft Built 1953 Lot 109,074 sqft single_family
Most recent sale
$4,500,000
Aug 20, 2019
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jun 14, 2024 | Sold | $4,500,000 | MLSListings |
| Apr 8, 2024 | Price changed | $4,988,000 | MLSListings |
| Mar 18, 2024 | Listed | $5,788,000 | MLSListings |
| Mar 18, 2024 | Listing removed | $5,688,000 | MLSListings |
| Jan 6, 2023 | Listing removed | — | Zumper |
| Dec 28, 2022 | Listed for rent | $8,150 | Zumper |
| Aug 20, 2019 | Sold | $4,500,000 | MLSListings |
| Apr 3, 2019 | Listing removed | $4,900,000 | MLSListings |
| Feb 3, 2019 | Listed | $4,900,000 | MLSListings |
| Dec 19, 2018 | Listing removed | — | MLSListings |
| Dec 18, 2018 | Listing removed | $4,900,000 | MLSListings |
| Sep 24, 2018 | Relisted | $4,900,000 | MLSListings |
| Sep 18, 2018 | Listing removed | — | MLSListings |
| Sep 17, 2018 | Listing removed | $4,900,000 | MLSListings |
| May 29, 2018 | Relisted | $4,900,000 | MLSListings |
| May 28, 2018 | Listing removed | — | MLSListings |
| Mar 19, 2018 | Listed | $4,900,000 | MLSListings |
| Oct 30, 2014 | Sold | $3,750,000 | Public Record |
| Dec 10, 1970 | Sold | $80,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $331,500 | $4,258,500 | $4,590,000 | $50,274 |
| 2024 | $331,500 | $4,258,500 | $4,590,000 | $53,360 |
| 2023 | $157,676 | $4,572,626 | $4,730,302 | $52,579 |
| 2022 | $154,585 | $4,482,967 | $4,637,552 | $51,126 |
| 2021 | $151,554 | $4,395,066 | $4,546,620 | $50,456 |
| 2020 | $150,000 | $4,350,000 | $4,500,000 | $50,256 |
| 2019 | $522,532 | $3,517,681 | $4,040,213 | $45,584 |
| 2018 | $512,287 | $3,448,707 | $3,960,994 | $43,331 |
| 2017 | $502,243 | $3,381,086 | $3,883,329 | $42,824 |
| 2016 | $492,396 | $3,314,791 | $3,807,187 | $42,075 |
| 2015 | $485,000 | $3,265,000 | $3,750,000 | $41,790 |
| 2014 | $316,879 | $70,023 | $386,902 | $4,751 |
| 2013 | $315,447 | $69,707 | $385,154 | $4,728 |
| 2012 | $309,262 | $68,341 | $377,603 | $4,549 |
| 2011 | $303,199 | $67,001 | $370,200 | $4,475 |
| 2010 | $300,933 | $66,501 | $367,434 | $4,418 |
| 2009 | $301,648 | $66,659 | $368,307 | $4,218 |
| 2008 | $295,734 | $65,352 | $361,086 | $4,148 |
| 2007 | $289,936 | $64,071 | $354,007 | $4,046 |
Property facts
Year built
1953
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
4,200 sqft
Lot size
109,074 sqft
ZIP code
94028
City
Portola Valley
Street
Alamos Rd
Coordinates
37.39209, -122.19580
Comparable properties nearby
Frequently asked questions
When did 100 Alamos Rd last sell?
100 Alamos Rd most recently sold on Aug 20, 2019 for $4,500,000.
What is the current tax assessment for 100 Alamos Rd?
The most recent total assessment for 100 Alamos Rd (year 2025) is $4,590,000 with $50,274 in property tax.
How does 100 Alamos Rd's assessment compare to its last sale price?
The current assessment is 2.0% above the last sale price of $4,500,000.
When was 100 Alamos Rd built?
100 Alamos Rd was built in 1953.
How does 100 Alamos Rd compare to others on Alamos Rd?
We track 5 other properties on Alamos Rd. Browse the list under "Other properties on Alamos Rd" to compare beds, baths, and sale history.
What are the property facts for 100 Alamos Rd?
100 Alamos Rd is a 4 bed, 3 bath, 4,200 sqft, 109,074 sqft lot single_family.
Is 100 Alamos Rd a flip candidate?
No — 100 Alamos Rd does not appear in our flips dataset.
Is 100 Alamos Rd a tax-appeal candidate?
No — 100 Alamos Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.6%
Implied 1-yr
-6.2%
2026 Q2
$4.26M
2026 Q3
$4.19M
ZIP 94028 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Alamos Rd