21407 40th Ave
Mountlake Terrace, WA 98043
3 bd 3 ba 1,515 sqft Built 1999 Lot 3,049 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 |
|---|---|---|---|---|
| 2026 | $216,500 | $418,000 | $634,500 | $4,221 |
| 2025 | $216,500 | $418,000 | $634,500 | $5,128 |
| 2024 | $250,100 | $398,000 | $648,100 | $4,877 |
| 2023 | $214,800 | $315,000 | $529,800 | $4,637 |
| 2022 | $198,100 | $300,000 | $498,100 | $4,609 |
| 2021 | $198,100 | $300,000 | $498,100 | $4,312 |
| 2020 | $182,100 | $278,000 | $460,100 | $4,538 |
| 2019 | $182,500 | $242,000 | $424,500 | $4,164 |
| 2018 | $162,900 | $210,000 | $372,900 | $4,201 |
| 2017 | $151,900 | $170,000 | $321,900 | $3,442 |
| 2016 | $145,500 | $129,000 | $274,500 | $2,824 |
| 2015 | $137,700 | $123,000 | $260,700 | $2,859 |
| 2014 | $120,300 | $123,000 | $243,300 | $2,695 |
| 2013 | $111,800 | $95,000 | $206,800 | $5,319 |
| 2012 | $119,600 | $95,000 | $214,600 | $2,352 |
| 2011 | $125,800 | $130,000 | $255,800 | $2,528 |
| 2010 | $125,800 | $155,000 | $280,800 | $2,435 |
| 2009 | $136,300 | $170,000 | $306,300 | $2,422 |
| 2008 | $145,500 | $170,000 | $315,500 | $2,516 |
Property facts
Year built
1999
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
1,515 sqft
Lot size
3,049 sqft
ZIP code
98043
City
Mountlake Terrace
Street
40th Ave
Coordinates
47.80415, -122.28711
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21407 40th Ave last sell?
No public-record sale is on file for 21407 40th Ave.
What is the current tax assessment for 21407 40th Ave?
The most recent total assessment for 21407 40th Ave (year 2026) is $634,500 with $4,221 in property tax.
When was 21407 40th Ave built?
21407 40th Ave was built in 1999.
How does 21407 40th Ave compare to others on 40th Ave?
We track 5 other properties on 40th Ave. Browse the list under "Other properties on 40th Ave" to compare beds, baths, and sale history.
What are the property facts for 21407 40th Ave?
21407 40th Ave is a 3 bed, 3 bath, 1,515 sqft, 3,049 sqft lot single_family.
Is 21407 40th Ave a flip candidate?
No — 21407 40th Ave does not appear in our flips dataset.
Is 21407 40th Ave a tax-appeal candidate?
No — 21407 40th 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
-0.7%
Implied 1-yr
-2.7%
2026 Q2
$668K
2026 Q3
$663.2K
ZIP 98043 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 40th Ave