23430 21st St
Sammamish, WA 98074
4 bd 3 ba 2,610 sqft Built 1990 Lot 9,404 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 | $1,019,000 | $500,000 | $1,519,000 | $11,505 |
| 2024 | $856,000 | $500,000 | $1,356,000 | $10,605 |
| 2023 | $930,000 | $565,000 | $1,495,000 | $11,663 |
| 2022 | $620,000 | $388,000 | $1,008,000 | $9,490 |
| 2021 | $512,000 | $323,000 | $835,000 | $8,607 |
| 2020 | $506,000 | $324,000 | $830,000 | $8,363 |
| 2019 | $476,000 | $323,000 | $799,000 | $7,759 |
| 2018 | $417,000 | $289,000 | $706,000 | $7,656 |
| 2017 | $363,000 | $255,000 | $618,000 | $6,477 |
| 2016 | $366,000 | $226,000 | $592,000 | $6,255 |
| 2015 | $350,000 | $221,000 | $571,000 | $6,226 |
| 2014 | $274,000 | $201,000 | $475,000 | $5,741 |
| 2013 | $247,000 | $186,000 | $433,000 | $5,466 |
| 2012 | $257,000 | $195,000 | $452,000 | $5,296 |
| 2011 | $275,000 | $184,000 | $459,000 | $5,022 |
| 2009 | $362,000 | $184,000 | $546,000 | $4,940 |
| 2007 | $319,000 | $166,000 | $485,000 | $4,548 |
Property facts
Year built
1990
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,610 sqft
Lot size
9,404 sqft
ZIP code
98074
City
Sammamish
Street
21st St
Coordinates
47.62900, -122.02582
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 23430 21st St last sell?
No public-record sale is on file for 23430 21st St.
What is the current tax assessment for 23430 21st St?
The most recent total assessment for 23430 21st St (year 2025) is $1,519,000 with $11,505 in property tax.
When was 23430 21st St built?
23430 21st St was built in 1990.
How does 23430 21st St compare to others on 21st St?
We track 8 other properties on 21st St. Browse the list under "Other properties on 21st St" to compare beds, baths, and sale history.
What are the property facts for 23430 21st St?
23430 21st St is a 4 bed, 3 bath, 2,610 sqft, 9,404 sqft lot single_family.
Is 23430 21st St a flip candidate?
No — 23430 21st St does not appear in our flips dataset.
Is 23430 21st St a tax-appeal candidate?
No — 23430 21st 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
-4.4%
Implied 1-yr
-17.6%
2026 Q3
$1.3M
2026 Q4
$1.22M
ZIP 98074 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st St