3720 86th Ave
Mercer Island, WA 98040
5 bd 4 ba 4,001 sqft Built 2018 Lot 10,890 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,005,000 | $1,204,000 | $3,209,000 | $21,057 |
| 2024 | $2,100,000 | $1,115,000 | $3,215,000 | $20,795 |
| 2023 | $2,194,000 | $1,184,000 | $3,378,000 | $20,722 |
| 2022 | $1,550,000 | $975,000 | $2,525,000 | $18,598 |
| 2021 | $1,301,000 | $929,000 | $2,230,000 | $17,854 |
| 2020 | $1,557,000 | $697,000 | $2,254,000 | $17,808 |
| 2019 | $907,000 | $684,000 | $1,591,000 | $11,962 |
| 2018 | $88,000 | $619,000 | $707,000 | $6,142 |
| 2017 | $71,000 | $566,000 | $637,000 | $5,193 |
| 2016 | $64,000 | $513,000 | $577,000 | $4,832 |
| 2015 | $57,000 | $475,000 | $532,000 | $4,662 |
| 2014 | $37,000 | $456,000 | $493,000 | $4,509 |
| 2013 | $34,000 | $421,000 | $455,000 | $4,303 |
| 2012 | $8,000 | $464,000 | $472,000 | $4,092 |
| 2011 | $8,000 | $478,000 | $486,000 | $4,058 |
| 2009 | $10,000 | $593,000 | $603,000 | $4,164 |
| 2007 | $85,000 | $435,000 | $520,000 | $3,235 |
Property facts
Year built
2018
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
4,001 sqft
Lot size
10,890 sqft
ZIP code
98040
City
Mercer Island
Street
86th Ave
Coordinates
47.57642, -122.22328
Comparable properties nearby
Frequently asked questions
When did 3720 86th Ave last sell?
No public-record sale is on file for 3720 86th Ave.
What is the current tax assessment for 3720 86th Ave?
The most recent total assessment for 3720 86th Ave (year 2025) is $3,209,000 with $21,057 in property tax.
When was 3720 86th Ave built?
3720 86th Ave was built in 2018.
How does 3720 86th Ave compare to others on 86th Ave?
We track 8 other properties on 86th Ave. Browse the list under "Other properties on 86th Ave" to compare beds, baths, and sale history.
What are the property facts for 3720 86th Ave?
3720 86th Ave is a 5 bed, 4 bath, 4,001 sqft, 10,890 sqft lot single_family.
Is 3720 86th Ave a flip candidate?
No — 3720 86th Ave does not appear in our flips dataset.
Is 3720 86th Ave a tax-appeal candidate?
No — 3720 86th 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
+3.8%
Implied 1-yr
+15.2%
2026 Q3
$3.48M
2026 Q4
$3.59M
ZIP 98040 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 86th Ave