SW 115th Ave, Tualatin, OR Property Records

Washington County property records for 29 addresses on SW 115th Ave, Tualatin, OR · Last verified October 2026

SW 115th Ave Highlights

Properties 29
Median Sale Price $3,820,000
Deeds and Mortgages on File 25
Median Price per Sqft $165
Owner Occupied 31%
Median Annual Tax Bill $59,211
Median Year Built 1997
Median Ownership Tenure 13 years

Properties on SW 115th Ave

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

17870 SW 115th Ave

3 bd · 2 ba · 2,394 sqft · built 1935 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Feb 2001 $5,6092025 —Nov 1996 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

17871 SW 115th Ave

6,321 sqft · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Jun 2026

17880 SW 115th Ave

4 bd · 3 ba · 1,815 sqft · built 1997 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$530,000Mar 2026 $4,8352025 Amount on Record Jan 2023 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

17890 SW 115th Ave

4 bd · 3 ba · 2,234 sqft · built 1997 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$524,900Apr 2026 $4,8692025 Amount on Record Jul 2020 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

17900 SW 115th Ave

4 bd · 3 ba · 1,815 sqft · built 1997 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$301,000Oct 2015 $4,5122025 Amount on Record Jan 2005 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

17910 SW 115th Ave

4 bd · 3 ba · 2,234 sqft · built 1997 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Oct 2019 $4,7502025 Amount on Record Dec 2000 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

17950 SW 115th Ave

28,710 sqft · built 1995 · 1.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,605,000Apr 2011 $73,1882024 —Apr 2011 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

17975 SW 115th Ave

4 bd · 4 ba · 2,854 sqft · built 1978 · 2.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000,000Mar 2019 $87,3262025 Amount on Record Jun 1998 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

20550 SW 115th Ave

1.46 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2007 $2,8692020 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2023

20550 SW 115th Ave, #326

2 bd · 1 ba · 72,234 sqft · built 1918 · 5.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$74,9102024 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

20565 SW 115th Ave

29,170 sqft · 5.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,6132024 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

20599 SW 115th Ave

5,328 sqft · 1.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,106,853Oct 2012 $31,6972024 Amount on Record Dec 2004 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

20600 SW 115th Ave

45,975 sqft · built 2017 · 3.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$61,7562024 Owner on Record AssessorUpdated Jun 2026

20663 SW 115th Ave

0.539 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Jun 2026

20700 SW 115th Ave

42,500 sqft · 2.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$56,9282024 Owner on Record AssessorUpdated Jun 2026

20750 SW 115th Ave, #190

38,812 sqft · 3.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,0992024 Owner on Record AssessorUpdated Jun 2026

20789 SW 115th Ave

11.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,785,599Sep 2002 $226,4352024 2 Owners on Record AssessorUpdated Jun 2026

20800 SW 115th Ave, #160

43,750 sqft · 3.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,2112024 Owner on Record AssessorUpdated Jun 2026

20850 SW 115th Ave, #190

46,875 sqft · 4.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$54,8282024 Owner on Record AssessorUpdated Jun 2026

20900 SW 115th Ave, #100

56,250 sqft · 3.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$71,5892024 Owner on Record AssessorUpdated Jun 2026

20950 SW 115th Ave, #100

60,000 sqft · 3.91 acres

Last Sale Tax Bill Prior Sale Owner Records
$72,2112024 Owner on Record AssessorUpdated Jun 2026

21000 SW 115th Ave

201,300 sqft · 3.64 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,7882024 Owner on Record AssessorUpdated Jun 2026

21099 SW 115th Ave

45,000 sqft · 2.77 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,9172024 Owner on Record AssessorUpdated Jun 2026

21100 SW 115th Ave

201,300 sqft · 3.82 acres

Last Sale Tax Bill Prior Sale Owner Records
$92,8522025 Owner on Record AssessorUpdated Jun 2026

21101 SW 115th Ave, #B

48,000 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,880,000Mar 2013 $46,8442024 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

21151 SW 115th Ave

185,920 sqft · 9.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,750,000Dec 2013 $162,5362024 2 Owners on Record AssessorUpdated Jun 2026

21200 SW 115th Ave

201,300 sqft · 4.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,5082024 Owner on Record AssessorUpdated Jun 2026

21400 SW 115th Ave

3 bd · 1 ba · 62,577 sqft · built 1901 · 18.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,172,000Aug 2010 $271,8542025 Owner on Record AssessorUpdated Mar 2026

21409 SW 115th Ave

2 bd · 1 ba · 226,960 sqft · built 2018 · 11.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,820,000Jan 2018 $328,7532024 Amount on Record Dec 2007 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

Property Records in Nearby Streets