21621 20th St
Sammamish, WA 98075
4 bd 4 ba 1,990 sqft Built 1977 Lot 16,500 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 | $565,000 | $519,000 | $1,084,000 | $8,810 |
| 2024 | $455,000 | $509,000 | $964,000 | $8,762 |
| 2023 | $589,000 | $578,000 | $1,167,000 | $9,644 |
| 2022 | $421,000 | $387,000 | $808,000 | $8,332 |
| 2021 | $243,000 | $332,000 | $575,000 | $6,501 |
| 2020 | $269,000 | $350,000 | $619,000 | $6,780 |
| 2019 | $246,000 | $327,000 | $573,000 | $6,006 |
| 2018 | $220,000 | $308,000 | $528,000 | $6,034 |
| 2017 | $201,000 | $277,000 | $478,000 | $5,323 |
| 2016 | $195,000 | $269,000 | $464,000 | $5,235 |
| 2015 | $151,000 | $282,000 | $433,000 | $4,963 |
| 2014 | $109,000 | $257,000 | $366,000 | $4,694 |
| 2013 | $96,000 | $238,000 | $334,000 | $4,418 |
| 2012 | $97,000 | $242,000 | $339,000 | $4,376 |
| 2011 | $97,000 | $242,000 | $339,000 | $4,278 |
| 2009 | $167,000 | $166,000 | $333,000 | $3,442 |
| 2007 | $150,000 | $150,000 | $300,000 | $3,246 |
Property facts
Year built
1977
Property type
single_family
Stories
1
Beds
4
Baths
4
Living area
1,990 sqft
Lot size
16,500 sqft
ZIP code
98075
City
Sammamish
Street
20th St
Coordinates
47.59162, -122.05016
Comparable properties nearby
Frequently asked questions
When did 21621 20th St last sell?
No public-record sale is on file for 21621 20th St.
What is the current tax assessment for 21621 20th St?
The most recent total assessment for 21621 20th St (year 2025) is $1,084,000 with $8,810 in property tax.
When was 21621 20th St built?
21621 20th St was built in 1977.
How does 21621 20th St compare to others on 20th St?
We track 8 other properties on 20th St. Browse the list under "Other properties on 20th St" to compare beds, baths, and sale history.
What are the property facts for 21621 20th St?
21621 20th St is a 4 bed, 4 bath, 1,990 sqft, 16,500 sqft lot single_family.
Is 21621 20th St a flip candidate?
No — 21621 20th St does not appear in our flips dataset.
Is 21621 20th St a tax-appeal candidate?
No — 21621 20th St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.5%
Implied 1-yr
-5.8%
2026 Q3
$1.82M
2026 Q4
$1.79M
ZIP 98075 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 20th St