21729 288th St
Black Diamond, WA 98010
3 bd 1 ba 1,040 sqft Built 1974 Lot 15,011 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 | $210,000 | $209,000 | $419,000 | $3,979 |
| 2024 | $237,000 | $188,000 | $425,000 | $4,158 |
| 2023 | $268,000 | $130,000 | $398,000 | $3,932 |
| 2022 | $219,000 | $100,000 | $319,000 | $3,652 |
| 2021 | $160,000 | $100,000 | $260,000 | $3,185 |
| 2020 | $166,000 | $100,000 | $266,000 | $3,237 |
| 2019 | $159,000 | $97,000 | $256,000 | $2,962 |
| 2018 | $145,000 | $89,000 | $234,000 | $2,968 |
| 2017 | $101,000 | $97,000 | $198,000 | $2,550 |
| 2016 | $95,000 | $92,000 | $187,000 | $2,411 |
| 2015 | $87,000 | $84,000 | $171,000 | $2,257 |
| 2014 | $72,000 | $78,000 | $150,000 | $2,130 |
| 2013 | $75,000 | $73,000 | $148,000 | $2,188 |
| 2012 | $94,000 | $72,000 | $166,000 | $2,245 |
| 2009 | $131,000 | $80,000 | $211,000 | $2,159 |
| 2007 | $121,000 | $71,000 | $192,000 | $1,948 |
Property facts
Year built
1974
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,040 sqft
Lot size
15,011 sqft
ZIP code
98010
City
Black Diamond
Street
288th St
Coordinates
47.34338, -122.05138
Comparable properties nearby
Frequently asked questions
When did 21729 288th St last sell?
No public-record sale is on file for 21729 288th St.
What is the current tax assessment for 21729 288th St?
The most recent total assessment for 21729 288th St (year 2025) is $419,000 with $3,979 in property tax.
When was 21729 288th St built?
21729 288th St was built in 1974.
How does 21729 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 21729 288th St?
21729 288th St is a 3 bed, 1 bath, 1,040 sqft, 15,011 sqft lot single_family.
Is 21729 288th St a flip candidate?
No — 21729 288th St does not appear in our flips dataset.
Is 21729 288th St a tax-appeal candidate?
No — 21729 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