15 Arapahoe Ct
Portola Valley, CA 94028
5 bd 3 ba 3,930 sqft Built 1961 Lot 43,996 sqft single_family
Most recent sale
$6,100,000
Nov 22, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 22, 2021 | Sold | $6,100,000 | MLS #ML81866061 |
| Oct 13, 2017 | Sold | $4,500,000 | Public Record |
| Dec 24, 2016 | Listing removed | $4,788,000 | ContraCosta |
| Nov 14, 2016 | Listed | $4,788,000 | MLS #52091204 |
| Apr 29, 2016 | Sold | $4,364,000 | Public Record |
| Oct 30, 1970 | Sold | $85,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $793,000 | $4,582,000 | $5,375,000 | $61,330 |
| 2024 | $793,000 | $4,582,000 | $5,375,000 | $72,365 |
| 2023 | $918,000 | $5,304,000 | $6,222,000 | $71,227 |
| 2022 | $900,000 | $5,200,000 | $6,100,000 | $69,140 |
| 2021 | $946,060 | $3,784,242 | $4,730,302 | $54,273 |
| 2020 | $936,360 | $3,745,440 | $4,681,800 | $53,879 |
| 2019 | $918,000 | $3,672,000 | $4,590,000 | $53,123 |
| 2018 | $900,000 | $3,600,000 | $4,500,000 | $50,501 |
| 2017 | $928,200 | $3,522,774 | $4,450,974 | $50,282 |
| 2016 | $1,008,268 | $1,008,268 | $2,016,536 | $23,804 |
| 2015 | $993,123 | $993,123 | $1,986,246 | $23,578 |
| 2014 | $973,670 | $973,670 | $1,947,340 | $22,938 |
| 2013 | $969,270 | $969,270 | $1,938,540 | $22,586 |
| 2012 | $950,265 | $950,265 | $1,900,530 | $22,102 |
| 2011 | $931,633 | $931,633 | $1,863,266 | $21,667 |
| 2010 | $924,671 | $924,671 | $1,849,342 | $21,337 |
| 2009 | $926,868 | $926,868 | $1,853,736 | $21,058 |
| 2008 | $908,695 | $908,695 | $1,817,390 | $20,544 |
| 2007 | $890,878 | $890,878 | $1,781,756 | $20,008 |
Property facts
Year built
1961
Property type
single_family
Stories
1
Beds
5
Baths
3
Living area
3,930 sqft
Lot size
43,996 sqft
ZIP code
94028
City
Portola Valley
Street
Arapahoe Ct
Coordinates
37.38460, -122.21725
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$36,600
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 15 Arapahoe Ct last sell?
15 Arapahoe Ct most recently sold on Nov 22, 2021 for $6,100,000.
What is the current tax assessment for 15 Arapahoe Ct?
The most recent total assessment for 15 Arapahoe Ct (year 2025) is $5,375,000 with $61,330 in property tax.
How does 15 Arapahoe Ct's assessment compare to its last sale price?
The current assessment is 11.9% below the last sale price of $6,100,000.
When was 15 Arapahoe Ct built?
15 Arapahoe Ct was built in 1961.
How does 15 Arapahoe Ct compare to others on Arapahoe Ct?
We do not currently track other properties on Arapahoe Ct.
What are the property facts for 15 Arapahoe Ct?
15 Arapahoe Ct is a 5 bed, 3 bath, 3,930 sqft, 43,996 sqft lot single_family.
Is 15 Arapahoe Ct a flip candidate?
No — 15 Arapahoe Ct does not appear in our flips dataset.
Is 15 Arapahoe Ct a tax-appeal candidate?
No — 15 Arapahoe Ct 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
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Geography