15509 Westside Hwy
Vashon, WA 98070
4 bd 3 ba 3,440 sqft Built 1976 Lot 58,139 sqft single_family
Most recent sale
$950,000
Mar 18, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 18, 2022 | Sold | $950,000 | MLS #1869831 |
| Dec 5, 2021 | Listed | $990,000 | MLS #1869831 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $632,000 | $186,000 | $818,000 | $9,160 |
| 2024 | $670,000 | $175,000 | $845,000 | $9,282 |
| 2023 | $766,000 | $189,000 | $955,000 | $9,105 |
| 2022 | $505,000 | $149,000 | $654,000 | $7,679 |
| 2021 | $411,000 | $136,000 | $547,000 | $7,090 |
| 2020 | $408,000 | $138,000 | $546,000 | $6,636 |
| 2019 | $402,000 | $138,000 | $540,000 | $6,333 |
| 2018 | $347,000 | $132,000 | $479,000 | $6,171 |
| 2017 | $297,000 | $113,000 | $410,000 | $5,020 |
| 2016 | $280,000 | $113,000 | $393,000 | $4,944 |
| 2015 | $287,000 | $100,000 | $387,000 | $4,987 |
| 2014 | $248,000 | $100,000 | $348,000 | $4,713 |
| 2013 | $225,000 | $100,000 | $325,000 | $4,488 |
| 2012 | $257,000 | $120,000 | $377,000 | $4,632 |
| 2011 | $309,000 | $120,000 | $429,000 | $4,520 |
| 2010 | $309,000 | $120,000 | $429,000 | $4,616 |
| 2009 | $344,000 | $120,000 | $464,000 | $4,064 |
| 2007 | $295,000 | $120,000 | $415,000 | $4,538 |
Property facts
Year built
1976
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
3,440 sqft
Lot size
58,139 sqft
ZIP code
98070
City
Vashon
Street
Westside Hwy
Coordinates
47.46595, -122.49303
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$7,912
Gross rental yield
9.99%
Implied cap rate
6.50%
Trend-extrapolated value
—
Frequently asked questions
When did 15509 Westside Hwy last sell?
15509 Westside Hwy most recently sold on Mar 18, 2022 for $950,000.
What is the current tax assessment for 15509 Westside Hwy?
The most recent total assessment for 15509 Westside Hwy (year 2025) is $818,000 with $9,160 in property tax.
How does 15509 Westside Hwy's assessment compare to its last sale price?
The current assessment is 13.9% below the last sale price of $950,000.
When was 15509 Westside Hwy built?
15509 Westside Hwy was built in 1976.
How does 15509 Westside Hwy compare to others on Westside Hwy?
We track 8 other properties on Westside Hwy. Browse the list under "Other properties on Westside Hwy" to compare beds, baths, and sale history.
What are the property facts for 15509 Westside Hwy?
15509 Westside Hwy is a 4 bed, 3 bath, 3,440 sqft, 58,139 sqft lot single_family.
Is 15509 Westside Hwy a flip candidate?
No — 15509 Westside Hwy does not appear in our flips dataset.
Is 15509 Westside Hwy a tax-appeal candidate?
No — 15509 Westside Hwy is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+7.3%
Implied 1-yr
+29.2%
2026 Q2
$1.44M
2026 Q3
$1.51M
ZIP 98070 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Westside Hwy