12th Ave, Seattle, WA Property Records

King County property records for 81 addresses on 12th Ave, Seattle, WA · Last verified August 2026

12th Ave Highlights

Properties 224
Median Sale Price $490,000
Deeds and Mortgages on File 298
Median Price per Sqft $691
Owner Occupied 49%
Median Annual Tax Bill $5,114
Median Year Built 2007
Median Ownership Tenure 10 years

Properties on 12th Ave

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

103 12th Ave

69,360 sqft · Built 2014 · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$34,673,056Sep 2016 $23,4052023 —Feb 2014 1 Name on Record Assessor + 1 DocumentUpdated Mar 2024

104 12th Ave

139,896 sqft · Built 1926 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,000,000Apr 2020 $61,2072024 —Nov 2015 1 Name on Record Assessor + 6 DocumentsUpdated Mar 2026

109 12th Ave

4 bd · 1 ba · 1,740 sqft · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$34,673,056Sep 2016 $12,7422026 —Feb 2014 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

110 12th Ave

9,000 sqft · Built 1940 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$285,000May 1992 $22,1222026 1 Name on Record Assessor + 8 DocumentsUpdated Jul 2026

119 12th Ave

3 bd · 2 ba · 2,360 sqft · 0.085 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,450,800Dec 2021 $10,2932026 Amount on Record Aug 1989 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

121 12th Ave

6 bd · 2 ba · 3,260 sqft · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Dec 2021 $11,3632026 Amount on Record Jan 1999 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

124 12th Ave

2,250 sqft · Built 1949 · 0.308 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jun 2017 $31,0902026 Amount on Record May 1992 1 Name on Record Assessor + 8 DocumentsUpdated Jul 2026

125 12th Ave

2 bd · 2 ba · 1,810 sqft · 0.035 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,450,000Dec 2021 $8,2842026 Amount on Record Mar 2016 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

129 12th Ave

2 bd · 2 ba · 2,010 sqft · 0.035 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,450,000Dec 2021 $8,5712026 Amount on Record Mar 2016 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

150 12th Ave

12,236 sqft · Built 1983 · 0.233 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,535,000Sep 2006 $31,7602026 2 Names on Record AssessorUpdated Jul 2026

151 12th Ave

18,038 sqft · Built 2015 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Mar 2013 $98,9612026 Amount on Record Mar 2010 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

157 12th Ave

5 bd · 1.75 ba · 1,460 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Sep 2017 $7,0492025 Amount on Record Oct 2005 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

160 12th Ave

6,730 sqft · Built 1920 · 0.243 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Apr 2019 $24,6002026 Amount on Record Oct 2004 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

169 12th Ave

61,000 sqft · Built 1954 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,290,729Sep 2020 $4,9372021 —Aug 2020 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2023

183 12th Ave, #XX

0.218 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Aug 2021 $3,6072026 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

201 12th Ave

2,496 sqft · Built 1960 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1992 $1,3252024 —Jul 1985 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

301 12th Ave

4 bd · 2 ba · 49,875 sqft · 0.081 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,850,000Feb 2019 Amount on Record Feb 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

305 12th Ave

0.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,850,000Feb 2019 $3,7752026 Amount on Record Sep 2014 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

317 12th Ave

7,020 sqft · Built 1924 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,146,505Dec 2013 $31,4792026 Amount on Record Jul 2005 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

319 12th Ave

3,722 sqft · Built 1929 · 0.162 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Sep 2004 $9952021 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

411 12th Ave

19,580 sqft · Built 1994 · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1992 $44,2742026 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

427 12th Ave

2,997 sqft · Built 1966 · 0.49 acres

Last Sale Tax Bill Prior Sale Owner Records
$362,500Apr 1996 $73,8182026 —Apr 1996 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

452 12th Ave

15,126 sqft · Built 1923 · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,899,000Sep 2019 $52,1072026 Amount on Record Jan 2014 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

464 12th Ave

23,284 sqft · Built 1982 · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,150,000Nov 1997 $44,4992026 —Nov 1997 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

500 12th Ave

33,120 sqft · Built 2012 · 0.224 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$45,8312022 1 Name on Record AssessorUpdated Dec 2023

514 12th Ave

2 bd · 1 ba · 3,168 sqft · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Aug 1989 $11,4042026 2 Names on Record AssessorUpdated Jul 2026

550 12th Ave

5,700 sqft · Built 1920 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,368,000Sep 2015 $19,9212026 Amount on Record Jul 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

700 12th Ave

1,956 sqft · Built 1965 · 0.345 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,030,000Mar 2017 $71,6262026 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

720 12th Ave

61,971 sqft · Built 2002 · 0.347 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,341,800Feb 2010 $247,2182026 —Nov 1990 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

810 12th Ave

60,583 sqft · Built 2000 · 0.35 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$17,126,650Feb 2010 $245,1432026 —Nov 1990 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

824 12th Ave

11,360 sqft · Built 1977 · 0.352 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,288,000Jul 2007 $3,3392024 Amount on Record Oct 1991 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

900 12th Ave

17,280 sqft · Built 1923 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$605,000Nov 1996 $8,5292024 1 Name on Record Owner Occupied AssessorUpdated Mar 2026

901 12th Ave

117,600 sqft · Built 1960 · 1.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,3282024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

905 12th Ave

22,720 sqft · Built 1930 · 0.395 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,3362024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

907 12th Ave

0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$165,000May 2021 $2,5942026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

908 12th Ave

3,573 sqft · Built 1926 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000May 2005 $30,0522026 Amount on Record Oct 1999 2 Names on Record Assessor + 5 DocumentsUpdated Jul 2026

912 12th Ave

11,433 sqft · Built 1930 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000May 2005 $53,8512026 Amount on Record Oct 1998 2 Names on Record Assessor + 5 DocumentsUpdated Jul 2026

914 12th Ave

0.088 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000May 2005 $18,0342026 2 Names on Record Assessor + 5 DocumentsUpdated Aug 2026

916 12th Ave

0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000May 2005 $17,8652026 2 Names on Record Assessor + 5 DocumentsUpdated Aug 2026

926 12th Ave

4,608 sqft · Built 1920 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Sep 1997 $36,0572026 1 Name on Record AssessorUpdated Jul 2026

932 12th Ave

15,000 sqft · Built 1919 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Nov 1995 $36,0572026 —Nov 1995 1 Name on Record AssessorUpdated Jul 2026

1100 12th Ave

30,787 sqft · Built 1921 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,371,901May 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

1117 12th Ave

6,640 sqft · Built 1919 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$725,000Aug 2005 $28,3522026 Amount on Record Jan 2003 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1118 12th Ave

5,056 sqft · Built 1930 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$781,500Nov 1994 $28,5222024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

1120 12th Ave

311,891 sqft · Built 2025 · 0.488 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,800,000Mar 2019 $107,3812024 Amount on Record Feb 1999 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

1401 12th Ave

35,340 sqft · Built 1913 · 0.416 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,500,000Aug 1999 $123,1332026 —Dec 1998 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1408 12th Ave

42 units · Built 2007 · 600 sq ft

Last Sale Median Tax Bill Median Sale    
$585,000Jun 2026 $5,5802026 $549,00042 units    

1408 12th Ave

9,404 sqft · Built 2007 · 0.262 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2013 1 Name on Record AssessorUpdated Jan 2026

1414 12th Ave

100 units · Built 2007 · 484 sq ft

Last Sale Median Tax Bill Median Sale    
$485,000Jul 2026 $3,9552026 $450,000100 units    

1414 12th Ave

7,267 sqft · Built 2007 · 0.5 acres

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

1417 12th Ave

56,378 sqft · Built 1920 · 0.466 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$222,8312026 1 Name on Record AssessorUpdated Jul 2026

1510 12th Ave

2,604 sqft · Built 1906 · 0.074 acres

Last Sale Tax Bill Prior Sale Owner Records
$948,000Dec 2012 $17,3692026 Amount on Record Jan 1990 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1515 12th Ave

13,680 sqft · Built 1927 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1991 $1,5882024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1517 12th Ave

30,720 sqft · Built 1917 · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,250,000May 2008 $95,6702026 Amount on Record Aug 1996 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1519 12th Ave

61,580 sqft · Built 1926 · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1988 $4,7272024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1522 12th Ave

7,240 sqft · Built 1922 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Sep 2010 $35,7562026 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1530 12th Ave

48,975 sqft · Built 2009 · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$25,847,700Feb 2016 $203,7712026 Amount on Record Apr 1992 1 Name on Record AssessorUpdated Jul 2026

1620 12th Ave

158,967 sqft · Built 2012 · 0.667 acres · Garage

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

1620 12th Ave

4 units · Built 2015 · 41,223 sq ft

Last Sale Median Tax Bill Median Sale    
$2,054,645Sep 2023 $18,1382026 —4 units    

1621 12th Ave

16,856 sqft · Built 1917 · 0.222 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Nov 1991 $67,0772026 1 Name on Record AssessorUpdated Jul 2026

1706 12th Ave

5,273 sqft · Built 1979 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,175,000Nov 2018 $18,1252026 Amount on Record Jul 2016 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

1711 12th Ave

18,666 sqft · Built 2014 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,989,750Aug 2022 $105,8442026 Amount on Record Jun 2017 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

1715 12th Ave

2 bd · 1 ba · 10,570 sqft · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Mar 2015 $26,0912023 Amount on Record Mar 1999 1 Name on Record Assessor + 4 DocumentsUpdated Mar 2024

1716 12th Ave

3,790 sqft · Built 1900 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,894,000Jul 2019 $18,1152026 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

1717 12th Ave

10,600 sqft · Built 1906 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,912,045Nov 2010 $49,3492026 Amount on Record Jan 2005 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1718 12th Ave

2 bd · 1 ba · 1,019 sqft · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,894,000Jul 2019 $24,1482026 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

1720 12th Ave

9,770 sqft · Built 2015 · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$975,000Jan 2008 $27,0862023 1 Name on Record AssessorUpdated Mar 2024

1728 12th Ave

6,272 sqft · Built 2014 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2013 $30,7882024 Amount on Record Oct 2012 1 Name on Record AssessorUpdated Mar 2026

1729 12th Ave

25,994 sqft · Built 1925 · 0.444 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$11,587,500May 2023 $109,9612026 —Nov 2008 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1801 12th Ave

13,240 sqft · Built 1988 · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jan 1985 $40,9072026 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1802 12th Ave

7,160 sqft · Built 1909 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,272,400Sep 2010 $28,3102026 Amount on Record Apr 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1806 12th Ave

6 bd · 2 ba · 10,127 sqft · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,492,200Jan 2019 Amount on Record Jul 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

1812 12th Ave

5 bd · 2 ba · 10,127 sqft · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,492,200Jan 2019 $28,5602024 —Feb 2008 1 Name on Record Assessor + 1 DocumentUpdated Jan 2026

1814 12th Ave

3,884 sqft · Built 1960 · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,477,500May 2014 $24,5932026 Amount on Record May 2001 1 Name on Record AssessorUpdated Jul 2026

1815 12th Ave

132,828 sqft · Built 1988 · 0.666 acres

Last Sale Tax Bill Prior Sale Owner Records
$486,500Jun 1987 $164,1642026 1 Name on Record AssessorUpdated Jul 2026

1820 12th Ave

4 bd · 1 ba · 3,433 sqft · 0.086 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,405,000May 2019 $20,0332026 Amount on Record Dec 2008 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1824 12th Ave

3,486 sqft · Built 1984 · 0.12 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,950,000Aug 2022 $28,6412026 Amount on Record Dec 2013 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1828 12th Ave

3 bd · 1 ba · 6,700 sqft · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,000Apr 1992 $30,7862026 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

1831 12th Ave

3,462 sqft · Built 2004 · 0.166 acres

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

1831 12th Ave, #F

1,282 sqft · Built 1922 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Sep 2003 $6,0562026 —Jan 2003 1 Name on Record AssessorUpdated Jul 2026

1835 12th Ave, #E

2,180 sqft · Built 1922 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$524,953Nov 2001 $2802024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on 12th Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets