King County property records for 45 addresses on Boylston Ave, Seattle, WA · Last verified October 2026
| Properties | 299 |
|---|---|
| Median Sale Price | $360,000 |
| Deeds and Mortgages on File | 217 |
| Median Price per Sqft | $544 |
| Owner Occupied | 25% |
| Median Annual Tax Bill | $2,565 |
| Median Year Built | 1989 |
| Median Ownership Tenure | 32 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
6,795 sqft · built 1946 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Jul 1991 | $32,5542026 | Owner on Record | AssessorUpdated Aug 2026 |
7,960 sqft · built 1966 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,000,000Oct 2020 | $42,4892026 | Amount on Record Mar 2008 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
151,477 sqft · built 2022 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $812,0782026 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $42,7132026 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Dec 1981 | $42,4272026 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
49 units · Built 1960 · 570 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $175,000Feb 2026 | $2,5592026 | $295,00049 units |
built 1960 · 0.247 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Jan 2026 |
140,778 sqft · built 1989 · 0.661 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Jan 2026 |
135 units · Built 1989 · 537 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $8,195,200Dec 1992 | $2,3012026 | $8,195,200135 units |
18,152 sqft · built 1998 · 0.247 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Jan 1997 | $1,9982024 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
10,785 sqft · built 1905 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,097,000May 1996 | $39,4032026 | Owner on Record | AssessorUpdated Jul 2026 |
33,170 sqft · built 2017 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2016 | $28,7862023 | Owner on Record | Assessor + 1 DocumentUpdated Mar 2024 |
5,049 sqft · built 1901 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7072021 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1.5 ba · 937 sqft · built 2007 · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,437,000Sep 2019 | $3,5632026 | Amount on Record Mar 2013 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
6,350 sqft · built 1901 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,230,000Jan 2013 | $15,4522026 | Amount on Record Nov 2009 | Owner on Record | AssessorUpdated Oct 2026 |
5,820 sqft · built 1910 · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,007,600Dec 2023 | $41,3412026 | Amount on Record Oct 2014 | Owner on Record | AssessorUpdated Jul 2026 |
19,637 sqft · built 2007 · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,007,600Dec 2023 | Amount on Record Jul 2005 | Owner on Record | Assessor + 1 DocumentUpdated Jan 2026 |
23 units · Built 2007 · 451 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $10,437,000Sep 2019 | $2,8432026 | $10,437,00023 units |
5,120 sqft · built 1912 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,270,000Jan 2013 | $14,9362026 | —Apr 2008 | Owner on Record | AssessorUpdated Jul 2026 |
12,660 sqft · built 1907 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $90,000Nov 2007 | $46,1342026 | Amount on Record Sep 2007 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
11,352 sqft · built 1910 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,197,600Jun 1998 | $44,3532026 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
16,236 sqft · built 1910 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,100,000Dec 2019 | $75,7222026 | Amount on Record Jul 1997 | Owner on Record | Assessor + 3 DocumentsUpdated Oct 2026 |
0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,870,404Mar 2012 | $27,7352026 | Amount on Record Oct 2006 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4,694 sqft · built 1919 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,083,724Dec 2013 | $27,1912026 | Amount on Record Apr 1993 | Owner on Record | AssessorUpdated Oct 2026 |
7,734 sqft · built 1908 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $39,9532026 | Owner on Record | Assessor + 2 DocumentsUpdated Sep 2026 |
6,200 sqft · built 1923 · 0.142 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,700,000Jun 2025 | $33,7222026 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
16,500 sqft · built 1921 · 0.126 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,334,000Dec 2019 | $49,5492026 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,334,000Dec 2019 | $17,9532026 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
0.068 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,334,000Dec 2019 | $12,6072026 | Amount on Record Dec 1986 | Owner on Record | Assessor + 5 DocumentsUpdated Jul 2026 |
22,696 sqft · built 1917 · 0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,146,500Dec 2004 | $79,4172026 | Amount on Record Jul 1999 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
18,876 sqft · built 1907 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,600,000Dec 2020 | $72,1552026 | Amount on Record Dec 1986 | Owner on Record | Assessor + 5 DocumentsUpdated Oct 2026 |
24,444 sqft · built 1965 · 0.345 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,329,750Oct 2007 | Owner on Record | AssessorUpdated Jan 2026 |
36 units · Built 1965 · 369 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $322,000Jun 2025 | $3,3482026 | $370,00036 units |
10,568 sqft · built 1989 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $110,000Dec 1992 | $37,4752026 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
17,277 sqft · built 1907 · 0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,841Jun 2012 | $58,8392026 | Amount on Record Oct 2003 | Owner on Record | Assessor + 1 DocumentUpdated Oct 2026 |
22,187 sqft · built 1998 · 0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Aug 1994 | $2,6282025 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
19,020 sqft · built 1907 · 0.202 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1997 | $73,8902026 | —Apr 1985 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
7,600 sqft · built 1910 · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,672,900Dec 2008 | $30,5362026 | Amount on Record Nov 2001 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
5 bd · 2.5 ba · 1,800 sqft · built 1904 · 0.061 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000May 2019 | $11,0142026 | —May 2019 | Owner on Record | Assessor + 4 DocumentsUpdated Oct 2026 |
8,029 sqft · built 1920 · 0.074 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $30,0352026 | Owner on Record | AssessorUpdated Jul 2026 |
built 1985 · 0.212 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | AssessorUpdated Jan 2026 |
16 units · Built 1985 · 883 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $565,000May 2026 | $5,6512026 | $577,00016 units |
5,400 sqft · built 1958 · 0.103 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,474,000Nov 2008 | $22,9042026 | Amount on Record Sep 2005 | Owner on Record | Assessor + 1 DocumentUpdated Sep 2026 |
23,832 sqft · built 1990 · 0.275 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,339,600Jun 2021 | $90,4862026 | Amount on Record Jul 1989 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
28,215 sqft · built 2018 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,768,900Feb 2017 | Amount on Record Mar 2005 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Mar 2026 |