21903 18th St
Sammamish, WA 98074
4 bd 3 ba 2,990 sqft Built 1978 Lot 12,005 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 | $842,000 | $486,000 | $1,328,000 | $10,124 |
| 2024 | $700,000 | $486,000 | $1,186,000 | $9,683 |
| 2023 | $809,000 | $550,000 | $1,359,000 | $10,642 |
| 2022 | $512,000 | $379,000 | $891,000 | $8,436 |
| 2021 | $422,000 | $316,000 | $738,000 | $7,654 |
| 2020 | $416,000 | $317,000 | $733,000 | $7,432 |
| 2019 | $390,000 | $316,000 | $706,000 | $6,894 |
| 2018 | $341,000 | $283,000 | $624,000 | $6,799 |
| 2017 | $296,000 | $250,000 | $546,000 | $5,750 |
| 2016 | $317,000 | $255,000 | $572,000 | $6,051 |
| 2015 | $303,000 | $249,000 | $552,000 | $6,026 |
| 2014 | $232,000 | $227,000 | $459,000 | $5,555 |
| 2013 | $209,000 | $210,000 | $419,000 | $5,296 |
| 2012 | $217,000 | $220,000 | $437,000 | $5,133 |
| 2011 | $212,000 | $180,000 | $392,000 | $4,861 |
| 2009 | $287,000 | $180,000 | $467,000 | $4,248 |
| 2007 | $253,000 | $162,000 | $415,000 | $3,920 |
Property facts
Year built
1978
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,990 sqft
Lot size
12,005 sqft
ZIP code
98074
City
Sammamish
Street
18th St
Coordinates
47.62535, -122.04656
Comparable properties nearby
Frequently asked questions
When did 21903 18th St last sell?
No public-record sale is on file for 21903 18th St.
What is the current tax assessment for 21903 18th St?
The most recent total assessment for 21903 18th St (year 2025) is $1,328,000 with $10,124 in property tax.
When was 21903 18th St built?
21903 18th St was built in 1978.
How does 21903 18th St compare to others on 18th St?
We track 8 other properties on 18th St. Browse the list under "Other properties on 18th St" to compare beds, baths, and sale history.
What are the property facts for 21903 18th St?
21903 18th St is a 4 bed, 3 bath, 2,990 sqft, 12,005 sqft lot single_family.
Is 21903 18th St a flip candidate?
No — 21903 18th St does not appear in our flips dataset.
Is 21903 18th St a tax-appeal candidate?
No — 21903 18th 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 18th St