51 Mason Ave
Union, WA 98592
3 bd 3 ba 2,044 sqft Built 1950 Lot 16,117 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 |
|---|---|---|---|---|
| 2026 | $309,315 | $34,460 | $343,775 | $2,818 |
| 2025 | $309,315 | $34,460 | $343,775 | $2,650 |
| 2024 | $335,100 | $36,655 | $371,755 | $2,362 |
| 2023 | $305,875 | $30,545 | $336,420 | $775 |
| 2021 | $195,065 | $18,535 | $213,600 | $808 |
| 2020 | $172,195 | $27,950 | $200,145 | $772 |
| 2019 | $150,000 | $23,545 | $173,545 | $691 |
| 2018 | $146,190 | $23,545 | $169,735 | $711 |
| 2017 | $146,190 | $23,555 | $169,745 | $1,488 |
| 2016 | $128,295 | $22,010 | $150,305 | $1,469 |
| 2015 | $127,120 | $22,010 | $149,130 | $1,476 |
| 2014 | $108,890 | $41,800 | $150,690 | $1,502 |
| 2013 | $127,830 | $46,750 | $174,580 | $1,576 |
| 2012 | $118,360 | $55,000 | $173,360 | $1,484 |
| 2011 | $118,360 | $55,000 | $173,360 | $1,355 |
| 2010 | $118,360 | $55,000 | $173,360 | $1,251 |
| 2009 | $65,870 | $40,000 | $105,870 | $991 |
| 2008 | $65,870 | $40,000 | $105,870 | $1,064 |
Property facts
Year built
1950
Property type
single_family
Stories
1
Beds
3
Baths
3
Living area
2,044 sqft
Lot size
16,117 sqft
ZIP code
98592
City
Union
Street
Mason Ave
Coordinates
47.35015, -123.07405
Comparable properties nearby
Frequently asked questions
When did 51 Mason Ave last sell?
No public-record sale is on file for 51 Mason Ave.
What is the current tax assessment for 51 Mason Ave?
The most recent total assessment for 51 Mason Ave (year 2026) is $343,775 with $2,818 in property tax.
When was 51 Mason Ave built?
51 Mason Ave was built in 1950.
How does 51 Mason Ave compare to others on Mason Ave?
We track 4 other properties on Mason Ave. Browse the list under "Other properties on Mason Ave" to compare beds, baths, and sale history.
What are the property facts for 51 Mason Ave?
51 Mason Ave is a 3 bed, 3 bath, 2,044 sqft, 16,117 sqft lot single_family.
Is 51 Mason Ave a flip candidate?
No — 51 Mason Ave does not appear in our flips dataset.
Is 51 Mason Ave a tax-appeal candidate?
No — 51 Mason Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.4%
Implied 1-yr
+13.7%
2026 Q3
$533K
2026 Q4
$548K
ZIP 98592 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mason Ave