21901 288th St
Black Diamond, WA 98010
3 bd 2 ba 1,580 sqft Built 1959 Lot 26,136 sqft single_family
Most recent sale
$432,000
Nov 15, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 18, 2026 | Sold | $667,000 | NWMLS |
| Feb 12, 2026 | Price changed | $654,000 | NWMLS |
| Dec 11, 2025 | Listed | $669,500 | NWMLS |
| Nov 15, 2021 | Sold | $432,000 | MLS #1851451 |
| Oct 27, 2021 | Listed | $399,950 | MLS #1851451 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $360,000 | $246,000 | $606,000 | $5,645 |
| 2024 | $394,000 | $221,000 | $615,000 | $5,898 |
| 2023 | $354,000 | $154,000 | $508,000 | $4,949 |
| 2022 | $288,000 | $119,000 | $407,000 | $4,590 |
| 2021 | $213,000 | $119,000 | $332,000 | $3,997 |
| 2020 | $213,000 | $119,000 | $332,000 | $4,057 |
| 2019 | $220,000 | $119,000 | $339,000 | $3,717 |
| 2018 | $212,000 | $115,000 | $327,000 | $3,736 |
| 2017 | $194,000 | $105,000 | $299,000 | $3,214 |
| 2016 | $143,000 | $111,000 | $254,000 | $3,077 |
| 2015 | $134,000 | $105,000 | $239,000 | $2,873 |
| 2014 | $122,000 | $96,000 | $218,000 | $2,709 |
| 2013 | $102,000 | $89,000 | $191,000 | $2,791 |
| 2012 | $106,000 | $83,000 | $189,000 | $2,864 |
| 2011 | $105,000 | $90,000 | $195,000 | $2,618 |
| 2010 | $120,000 | $90,000 | $210,000 | $2,482 |
| 2009 | $147,000 | $100,000 | $247,000 | $2,525 |
| 2007 | $135,000 | $89,000 | $224,000 | $2,263 |
Property facts
Year built
1959
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,580 sqft
Lot size
26,136 sqft
ZIP code
98010
City
Black Diamond
Street
288th St
Coordinates
47.34322, -122.04975
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$3,634
Gross rental yield
10.09%
Implied cap rate
6.56%
Trend-extrapolated value
—
Frequently asked questions
When did 21901 288th St last sell?
21901 288th St most recently sold on Nov 15, 2021 for $432,000.
What is the current tax assessment for 21901 288th St?
The most recent total assessment for 21901 288th St (year 2025) is $606,000 with $5,645 in property tax.
How does 21901 288th St's assessment compare to its last sale price?
The current assessment is 40.3% above the last sale price of $432,000.
When was 21901 288th St built?
21901 288th St was built in 1959.
How does 21901 288th St compare to others on 288th St?
We track 8 other properties on 288th St. Browse the list under "Other properties on 288th St" to compare beds, baths, and sale history.
What are the property facts for 21901 288th St?
21901 288th St is a 3 bed, 2 bath, 1,580 sqft, 26,136 sqft lot single_family.
Is 21901 288th St a flip candidate?
No — 21901 288th St does not appear in our flips dataset.
Is 21901 288th St a tax-appeal candidate?
No — 21901 288th 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
-3.2%
Implied 1-yr
-12.6%
2026 Q3
$733.9K
2026 Q4
$704.8K
ZIP 98010 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 288th St