W Prospect St, Seattle, WA Property Records

King County property records for 50 addresses on W Prospect St, Seattle, WA · Last verified September 2026

W Prospect St Highlights

Properties 50
Median Sale Price $2,403,000
Deeds and Mortgages on File 72
Median Price per Sqft $895
Owner Occupied 76%
Median Annual Tax Bill $33,378
Median Year Built 1926
Median Ownership Tenure 12 years

Properties on W Prospect St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

8 W Prospect St

3 bd · 1 ba · 1,510 sqft · built 1900 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,4462026 Owner on Record AssessorUpdated Jul 2026

14 W Prospect St

3 bd · 1.5 ba · 2,330 sqft · built 1930 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Oct 1998 $17,2392026 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

15 W Prospect St

4 bd · 3.25 ba · 3,000 sqft · built 1910 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,025,000Jun 2022 $18,9892026 Amount on Record Jun 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

18 W Prospect St

3 bd · 1.5 ba · 1,920 sqft · built 1930 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$684,500Jun 2002 $16,5852026 Amount on Record Apr 1999 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

108 W Prospect St

4 bd · 2 ba · 2,140 sqft · built 1900 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2003 $17,9762026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

111 W Prospect St

6 bd · 5 ba · 7,490 sqft · built 1909 · 0.293 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,750,000Dec 2019 $53,5972026 Amount on Record Nov 1992 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

115 W Prospect St

3 bd · 1.5 ba · 2,960 sqft · built 1925 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000May 1993 $24,5572026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

116 W Prospect St

3 bd · 3.5 ba · 3,910 sqft · built 1929 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$694,950Aug 2011 $24,3412026 —Nov 1998 Owner on Record Owner Occupied AssessorUpdated Jul 2026

120 W Prospect St

4 bd · 1 ba · 2,950 sqft · built 1903 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,000Sep 1988 $21,1762026 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

121 W Prospect St

4 bd · 3.5 ba · 3,720 sqft · built 1925 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,750,000Aug 2021 $34,1012026 Amount on Record Feb 2008 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

202 W Prospect St

5 bd · 5.25 ba · 6,530 sqft · built 1910 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,450,000Jun 2011 $61,1512026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

211 W Prospect St

5 bd · 3 ba · 3,970 sqft · built 1916 · 0.372 acres

Last Sale Tax Bill Prior Sale Owner Records
$585,000Feb 1992 $34,7692026 —Feb 1997 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

217 W Prospect St

3 bd · 3.75 ba · 4,870 sqft · built 1995 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,200,000Feb 2019 $60,3692026 Amount on Record Nov 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

223 W Prospect St

4 bd · 2.5 ba · 3,020 sqft · built 1921 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1989 $23,6832026 Owner on Record Owner Occupied AssessorUpdated Jul 2026

300 W Prospect St

3 bd · 3 ba · 4,640 sqft · built 1924 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Aug 2009 $37,5052026 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

303 W Prospect St

3 bd · 3.25 ba · 4,980 sqft · built 1912 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,400,000Jun 2014 $56,9202026 —Dec 1997 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

306 W Prospect St

5 bd · 4.5 ba · 4,940 sqft · built 1958 · 0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$965,000May 2001 $40,9862026 Amount on Record Sep 1999 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

309 W Prospect St

4 bd · 3.75 ba · 4,710 sqft · built 2009 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,675,000Jul 2019 $54,7012026 Amount on Record Oct 2007 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

310 W Prospect St

4 bd · 3 ba · 4,030 sqft · built 1926 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,375,000Jul 2016 $33,7252026 Amount on Record Sep 2015 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

314 W Prospect St

4 bd · 3.25 ba · 3,630 sqft · built 1926 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,650,000Apr 2019 $33,3842026 Amount on Record Jun 2013 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

317 W Prospect St

2 bd · 3.25 ba · 3,830 sqft · built 1987 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Sep 1986 $35,8352026 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

320 W Prospect St

4 bd · 3.5 ba · 4,020 sqft · built 1930 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000Oct 2007 $22,9702026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

321 W Prospect St

4 bd · 4 ba · 5,070 sqft · built 2001 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,252,000Oct 1999 $41,1562026 —Jun 1998 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

325 W Prospect St

3 bd · 4 ba · 3,580 sqft · built 1909 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Sep 1994 $33,3782026 Amount on Record Jul 1994 2 Owners on Record AssessorUpdated Jul 2026

403 W Prospect St

4 bd · 6.5 ba · 4,600 sqft · built 2016 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,500,000Nov 2023 $72,5862026 Amount on Record Sep 2013 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

404 W Prospect St

4 bd · 2 ba · 1,980 sqft · built 1910 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jul 1984 $17,9662026 Owner on Record AssessorUpdated Jul 2026

407 W Prospect St

4 bd · 3.25 ba · 5,560 sqft · built 1907 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,100,000Jul 2001 $47,9632026 Amount on Record Sep 1998 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

411 W Prospect St

3 bd · 3 ba · 3,880 sqft · built 2023 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,975,000Jul 2019 $46,0012026 Amount on Record Sep 2018 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

417 W Prospect St

4 bd · 3.5 ba · 5,230 sqft · built 2005 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,300,000Jul 2009 $46,6452026 Amount on Record Oct 2003 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

503 W Prospect St

4 bd · 3 ba · 2,810 sqft · built 1922 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,403,000Jun 2025 $25,1532026 Amount on Record Mar 2021 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

506 W Prospect St

2 bd · 2.25 ba · 2,290 sqft · built 1926 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,050,000Jul 2021 $19,8942026 —Jan 1993 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

510 W Prospect St

4 bd · 2 ba · 3,790 sqft · built 1927 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,800,000Jul 2014 $33,7702026 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

511 W Prospect St

2 bd · 4.25 ba · 3,920 sqft · built 1978 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$970,000Feb 2002 $30,7872026 Amount on Record May 1999 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

515 W Prospect St

5 bd · 5 ba · 5,510 sqft · built 2012 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,800,000Jun 2020 $66,1412026 Amount on Record Jul 2009 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

518 W Prospect St

6 bd · 3.75 ba · 3,140 sqft · built 1960 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,588,000Sep 2020 $27,6592026 Amount on Record May 1985 Owner on Record Assessor + 3 DocumentsUpdated Jul 2026

519 W Prospect St

2 bd · 1.75 ba · 2,640 sqft · built 1900 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,9132026 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

525 W Prospect St

built 1900 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jan 2026

525 W Prospect St, #A

2 bd · 2.75 ba · 1,454 sqft · built 1900 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$923,000Jun 2008 $11,2562026 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

525 W Prospect St, #B

2 bd · 1.75 ba · 1,639 sqft · built 1900 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,225,000Jul 2020 $12,0682026 Amount on Record Apr 2010 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

602 W Prospect St

3 bd · 3.5 ba · 5,840 sqft · built 1992 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,300,000May 2015 $64,1542026 Amount on Record Jan 1989 Owner on Record Owner Occupied AssessorUpdated Jul 2026

610 W Prospect St

4 bd · 2.5 ba · 3,400 sqft · built 1950 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,675,000Aug 2004 $31,4362026 Amount on Record Aug 1996 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

614 W Prospect St

3 bd · 2.5 ba · 4,160 sqft · built 1947 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,665,000Nov 2012 $34,1712026 Amount on Record Jan 1992 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

615 W Prospect St

4 bd · 3.5 ba · 4,350 sqft · built 2005 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,000,000Jun 2015 $42,7002026 Amount on Record Nov 2008 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

678 W Prospect St

11 bd · 5.75 ba · 7,780 sqft · built 1905 · 0.535 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,200,000Apr 2024 $81,1002026 —May 1991 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

700 W Prospect St

3 bd · 2 ba · 2,400 sqft · built 1925 · 0.077 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Oct 2018 $19,9702026 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

707 W Prospect St

6 bd · 4.5 ba · 4,580 sqft · built 1927 · 0.261 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Apr 2014 $35,7772026 —Apr 2014 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

708 W Prospect St

4 bd · 2.75 ba · 3,780 sqft · built 1902 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Feb 1982 $18,5932026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

714 W Prospect St

2 bd · 1 ba · 1,010 sqft · built 1906 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
$785,000Apr 2019 $8,3972026 Amount on Record Oct 2015 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

715 W Prospect St

3 bd · 6.75 ba · 1,860 sqft · built 1907 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,375,500Mar 2020 $22,7812026 Amount on Record Dec 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1003 W Prospect St

4 bd · 2.5 ba · 1,870 sqft · built 1931 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,075,000May 2021 $9,6262026 Amount on Record Jan 2019 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

Property Records in Nearby Streets