21840 1st St
Sammamish, WA 98074
5 bd 6 ba 4,370 sqft Built 2018 Lot 6,264 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 | $1,884,000 | $486,000 | $2,370,000 | $17,676 |
| 2024 | $1,630,000 | $486,000 | $2,116,000 | $16,287 |
| 2023 | $1,844,000 | $550,000 | $2,394,000 | $18,412 |
| 2022 | $1,149,000 | $379,000 | $1,528,000 | $14,172 |
| 2021 | $949,000 | $316,000 | $1,265,000 | $12,830 |
| 2020 | $1,098,000 | $317,000 | $1,415,000 | $13,978 |
| 2019 | $1,320,000 | $316,000 | $1,636,000 | $13,706 |
Property facts
Year built
2018
Property type
single_family
Stories
2
Beds
5
Baths
6
Living area
4,370 sqft
Lot size
6,264 sqft
ZIP code
98074
City
Sammamish
Street
1st St
Coordinates
47.60856, -122.04749
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21840 1st St last sell?
No public-record sale is on file for 21840 1st St.
What is the current tax assessment for 21840 1st St?
The most recent total assessment for 21840 1st St (year 2025) is $2,370,000 with $17,676 in property tax.
When was 21840 1st St built?
21840 1st St was built in 2018.
How does 21840 1st St compare to others on 1st St?
We track 8 other properties on 1st St. Browse the list under "Other properties on 1st St" to compare beds, baths, and sale history.
What are the property facts for 21840 1st St?
21840 1st St is a 5 bed, 6 bath, 4,370 sqft, 6,264 sqft lot single_family.
Is 21840 1st St a flip candidate?
No — 21840 1st St does not appear in our flips dataset.
Is 21840 1st St a tax-appeal candidate?
No — 21840 1st 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 1st St