3700 Union St
Seattle, WA 98122
4 bd 4 ba 3,240 sqft Built 1916 Lot 3,946 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 | $1,087,000 | $818,000 | $1,905,000 | $17,555 |
| 2024 | $1,027,000 | $818,000 | $1,845,000 | $15,770 |
| 2023 | $1,121,000 | $763,000 | $1,884,000 | $15,807 |
| 2022 | $908,000 | $618,000 | $1,526,000 | $13,957 |
| 2021 | $843,000 | $612,000 | $1,455,000 | $14,010 |
| 2020 | $895,000 | $650,000 | $1,545,000 | $14,690 |
| 2019 | $832,000 | $625,000 | $1,457,000 | $12,469 |
| 2018 | $510,000 | $554,000 | $1,064,000 | $10,542 |
| 2017 | $419,000 | $484,000 | $903,000 | $8,682 |
| 2016 | $396,000 | $459,000 | $855,000 | $8,409 |
| 2015 | $406,000 | $341,000 | $747,000 | $7,198 |
| 2014 | $345,000 | $315,000 | $660,000 | $7,034 |
| 2013 | $336,000 | $315,000 | $651,000 | $7,062 |
| 2012 | $354,000 | $332,000 | $686,000 | $6,822 |
| 2011 | $462,000 | $352,000 | $814,000 | $6,810 |
| 2009 | $550,000 | $379,000 | $929,000 | $7,567 |
| 2007 | $502,000 | $347,000 | $849,000 | $7,326 |
Property facts
Year built
1916
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,240 sqft
Lot size
3,946 sqft
ZIP code
98122
City
Seattle
Street
Union St
Coordinates
47.61293, -122.28569
Comparable properties nearby
Frequently asked questions
When did 3700 Union St last sell?
No public-record sale is on file for 3700 Union St.
What is the current tax assessment for 3700 Union St?
The most recent total assessment for 3700 Union St (year 2025) is $1,905,000 with $17,555 in property tax.
When was 3700 Union St built?
3700 Union St was built in 1916.
How does 3700 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 3700 Union St?
3700 Union St is a 4 bed, 4 bath, 3,240 sqft, 3,946 sqft lot single_family.
Is 3700 Union St a flip candidate?
No — 3700 Union St does not appear in our flips dataset.
Is 3700 Union St a tax-appeal candidate?
No — 3700 Union 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
+2.7%
Implied 1-yr
+10.9%
2026 Q3
$1.12M
2026 Q4
$1.15M
ZIP 98122 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St