40th Ave S, Auburn, WA Property Records

King County property records for 85 addresses on 40th Ave S, Auburn, WA · Last verified October 2026

40th Ave S Highlights

Properties 85
Median Sale Price $455,000
Deeds and Mortgages on File 137
Median Price per Sqft $302
Owner Occupied 82%
Median Annual Tax Bill $5,563
Median Year Built 1967
Median Ownership Tenure 9 years

Properties on 40th Ave S

Address Details Last Sale Tax Bill Records Owner

28210 40th Ave S

4 bd · 2 ba · 1,720 sqft built 1919 · 1.04 acres $202,500 Jul 2021 $4,264 2026 Assessor + 2 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28510 40th Ave S

3 bd · 2.25 ba · 1,480 sqft built 1987 · 0.251 acres $19,500 May 1986 $5,602 2026 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28511 40th Ave S

4 bd · 2 ba · 2,560 sqft built 1988 · 0.267 acres $525,000 Mar 2022 $1,258 2026 Assessor + 5 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28514 40th Ave S

7 bd · 4.25 ba · 3,310 sqft built 1987 · 0.222 acres $499,500 May 2018 $6,856 2026 Assessor + 3 Documents Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28518 40th Ave S

3 bd · 2.5 ba · 1,580 sqft built 1987 · 0.22 acres $595,000 Sep 2022 $6,378 2026 Assessor + 4 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28519 40th Ave S

3 bd · 2.5 ba · 1,630 sqft built 1988 · 0.238 acres $199,900 Oct 2002 $6,109 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28524 40th Ave S

3 bd · 1.5 ba · 1,880 sqft built 1963 · 0.236 acres $542,500 Oct 2021 $6,869 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28802 40th Ave S

3 bd · 1.5 ba · 1,380 sqft built 1978 · 0.241 acres $265,000 Sep 2005 $5,520 2026 Assessor Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28803 40th Ave S

3 bd · 1.5 ba · 1,850 sqft built 1967 · 0.175 acres $210,000 Mar 2005 $5,823 2026 Assessor + 1 Document Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28808 40th Ave S

3 bd · 2.25 ba · 1,340 sqft built 1967 · 0.214 acres $382,000 Mar 2020 $5,570 2026 Assessor + 5 Documents Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

28809 40th Ave S

3 bd · 1 ba · 1,010 sqft built 1967 · 0.167 acres $350,000 Jul 2020 $5,243 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28814 40th Ave S

3 bd · 1 ba · 1,420 sqft built 1967 · 0.211 acres $166,000 Aug 2022 $5,094 2026 Assessor + 3 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28815 40th Ave S

3 bd · 1 ba · 920 sqft built 1967 · 0.174 acres $115,000 Dec 1998 $4,567 2026 Assessor Updated Sep 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

28820 40th Ave S

3 bd · 1.75 ba · 1,410 sqft built 1967 · 0.191 acres $194,950 Jul 2002 $5,468 2026 Assessor Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28821 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.176 acres $328,000 Oct 2018 $4,936 2026 Assessor + 2 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28826 40th Ave S

3 bd · 1 ba · 1,270 sqft built 1967 · 0.172 acres $249,000 Jun 2006 $4,922 2026 Assessor + 1 Document Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28827 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.198 acres $273,000 Jan 2017 $5,074 2026 Assessor + 3 Documents Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

28832 40th Ave S

4 bd · 2 ba · 1,190 sqft built 1967 · 0.167 acres $550,000 Mar 2024 $5,597 2026 Assessor + 4 Documents Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

28833 40th Ave S

3 bd · 1 ba · 1,300 sqft built 1967 · 0.158 acres — Oct 1988 $5,142 2026 Assessor Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28838 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.167 acres $104,000 Oct 1995 $4,965 2026 Assessor Updated Sep 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

28839 40th Ave S

3 bd · 1 ba · 1,120 sqft built 1967 · 0.217 acres $455,000 Jul 2023 $5,172 2026 Assessor + 3 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28845 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.203 acres $220,000 Mar 2018 $5,044 2026 Assessor + 2 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28848 40th Ave S

3 bd · 1 ba · 920 sqft built 1967 · 0.169 acres $90,000 Sep 1993 $4,596 2026 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28850 40th Ave S

4 bd · 1.5 ba · 1,640 sqft built 1967 · 0.185 acres $430,000 Jun 2021 $5,886 2026 Assessor + 4 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28855 40th Ave S

3 bd · 1.5 ba · 1,270 sqft built 1967 · 0.155 acres $288,000 Feb 2018 $5,090 2026 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28856 40th Ave S

4 bd · 2 ba · 1,720 sqft built 1967 · 0.222 acres $230,000 Mar 2015 $5,820 2026 Assessor + 1 Document Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

29001 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.167 acres $291,500 Aug 2017 $5,222 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29002 40th Ave S

3 bd · 1 ba · 1,190 sqft built 1967 · 0.185 acres $246,500 Sep 2015 $5,340 2026 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29006 40th Ave S

3 bd · 1 ba · 920 sqft built 1967 · 0.18 acres $4,517 2026 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29007 40th Ave S

4 bd · 1 ba · 1,320 sqft built 1967 · 0.167 acres $111,950 Feb 1996 $5,164 2026 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29010 40th Ave S

3 bd · 1 ba · 1,650 sqft built 1967 · 0.175 acres — Feb 1998 $5,301 2026 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29013 40th Ave S

3 bd · 1.5 ba · 1,660 sqft built 1967 · 0.167 acres $5,697 2026 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29016 40th Ave S

3 bd · 1 ba · 950 sqft built 1967 · 0.192 acres $180,000 Dec 2003 $4,586 2026 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29019 40th Ave S

3 bd · 1 ba · 1,200 sqft built 1967 · 0.167 acres $5,015 2026 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29020 40th Ave S

3 bd · 1 ba · 1,140 sqft built 1967 · 0.158 acres $455,000 Oct 2021 $5,380 2026 Assessor + 4 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29025 40th Ave S

3 bd · 1 ba · 1,200 sqft built 1967 · 0.168 acres $5,015 2026 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29031 40th Ave S

6 bd · 5.25 ba · 2,350 sqft built 1967 · 0.229 acres $429,900 Dec 2019 $6,453 2026 Assessor + 2 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29319 40th Ave S

4 bd · 1.75 ba · 2,080 sqft built 1966 · 0.179 acres $162,000 Dec 2000 $6,371 2026 Assessor + 1 Document Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29320 40th Ave S

3 bd · 1.5 ba · 1,750 sqft built 1966 · 0.239 acres $134,000 Jun 1998 $6,054 2026 Assessor Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29325 40th Ave S

5 bd · 1.75 ba · 2,090 sqft built 1966 · 0.19 acres $52,658 Dec 1993 $5,848 2026 Assessor Updated Sep 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

29328 40th Ave S

4 bd · 2.75 ba · 2,440 sqft built 1966 · 0.195 acres $6,858 2026 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29331 40th Ave S

4 bd · 1.75 ba · 1,780 sqft built 1966 · 0.205 acres $538,000 Jun 2023 $6,164 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29336 40th Ave S

4 bd · 2 ba · 1,460 sqft built 1966 · 0.227 acres $615,000 Mar 2026 $6,638 2026 Assessor + 5 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29337 40th Ave S

4 bd · 2.25 ba · 2,080 sqft built 1966 · 0.179 acres $655,000 Jul 2021 $6,825 2026 Assessor + 3 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34013 40th Ave S

3 bd · 1.5 ba · 1,360 sqft built 1962 · 0.225 acres $112,000 Dec 1993 $2,705 2026 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34021 40th Ave S

3 bd · 1 ba · 920 sqft built 1962 · 0.225 acres $199,500 Jun 2014 $4,873 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34022 40th Ave S

3 bd · 2 ba · 1,500 sqft built 1962 · 0.26 acres $560,000 Nov 2023 $6,288 2026 Assessor + 6 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34029 40th Ave S

3 bd · 1.75 ba · 1,410 sqft built 1962 · 0.225 acres $300,000 Dec 2016 $6,049 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34207 40th Ave S

3 bd · 1 ba · 1,400 sqft built 1962 · 0.225 acres $189,000 Mar 1999 $5,319 2026 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

34214 40th Ave S

4 bd · 2 ba · 1,960 sqft built 1962 · 0.226 acres $252,895 May 2008 $6,036 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34215 40th Ave S

3 bd · 1 ba · 920 sqft built 1962 · 0.225 acres $425,000 Jul 2024 $4,778 2026 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34222 40th Ave S

3 bd · 1 ba · 1,080 sqft built 1962 · 0.222 acres $58,000 Jul 1986 $5,116 2026 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34223 40th Ave S

3 bd · 1 ba · 1,470 sqft built 1962 · 0.227 acres $440,000 Sep 2021 $5,275 2026 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

34230 40th Ave S

4 bd · 1 ba · 1,520 sqft built 1962 · 0.302 acres $108,000 Sep 1993 $5,653 2026 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37127 40th Ave S

3 bd · 2.5 ba · 2,000 sqft built 1993 · 0.44 acres $139,900 Apr 1993 $6,771 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37206 40th Ave S

4 bd · 1.75 ba · 1,360 sqft built 1968 · 0.385 acres $329,950 Dec 2017 $6,018 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37213 40th Ave S

3 bd · 1.5 ba · 1,105 sqft built 1968 · 0.11 acres $162,000 Sep 2010 $5,189 2026 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37214 40th Ave S

3 bd · 2.5 ba · 3,020 sqft built 1925 · 0.44 acres $285,000 May 2017 $8,092 2026 Assessor + 1 Document Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

37221 40th Ave S

3 bd · 1.75 ba · 1,810 sqft built 1967 · 0.33 acres $500,000 Oct 2021 $6,629 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37225 40th Ave S

4 bd · 2.5 ba · 2,715 sqft built 1968 · 0.22 acres $464,000 Feb 2020 $7,064 2026 Assessor + 2 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37231 40th Ave S

3 bd · 1 ba · 1,390 sqft built 1967 · 0.11 acres $405,000 Oct 2021 $5,431 2026 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37239 40th Ave S

4 bd · 2.5 ba · 1,710 sqft built 1968 · 0.22 acres $440,000 Sep 2020 $6,605 2026 Assessor + 3 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37247 40th Ave S

3 bd · 1.5 ba · 1,710 sqft built 1968 · 0.11 acres $120,000 May 1996 $5,915 2026 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37250 40th Ave S

3 bd · 1.5 ba · 2,060 sqft built 1956 · 0.59 acres $92,000 May 1985 $1,439 2026 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37251 40th Ave S

3 bd · 2 ba · 2,300 sqft built 1946 · 0.33 acres $195,000 Nov 1997 $7,231 2026 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37400 40th Ave S

0.475 acres $6,167 2026 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37406 40th Ave S

0.544 acres $37,000 Nov 2019 $775 2026 Assessor + 3 Documents Updated Sep 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

37411 40th Ave S

3 bd · 1 ba · 1,330 sqft built 1943 · 0.44 acres $80,000 Oct 2015 $2,421 2026 Assessor Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

37416 40th Ave S

3 bd · 1.75 ba · 1,500 sqft built 1978 · 0.599 acres $9,110 2026 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

37422 40th Ave S

3 bd · 5.25 ba · 2,995 sqft built 1928 · 0.356 acres $975,000 Oct 2025 $7,551 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37423 40th Ave S

2 bd · 1 ba · 740 sqft built 1950 · 0.11 acres $309,000 Jan 2022 $3,872 2026 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37427 40th Ave S

0.44 acres $150,000 Aug 2003 $3,720 2026 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37505 40th Ave S

3 bd · 1 ba · 1,370 sqft built 1928 · 0.55 acres $153,951 Oct 2020 $5,339 2026 Assessor + 3 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37560 40th Ave S

2 bd · 1.75 ba · 1,230 sqft built 1987 · 0.303 acres $315,000 Aug 2017 $5,886 2026 Assessor + 1 Document Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37612 40th Ave S

4 bd · 1 ba · 1,580 sqft built 1951 · 0.33 acres $176,000 Aug 2001 $5,348 2026 Assessor + 4 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37615 40th Ave S

4 bd · 1.75 ba · 1,750 sqft built 1967 · 0.289 acres $380,000 Sep 2018 $6,239 2026 Assessor + 5 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37627 40th Ave S

3 bd · 1.75 ba · 1,180 sqft built 1968 · 0.221 acres $171,995 Nov 2002 $5,563 2026 Assessor Updated Sep 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

37630 40th Ave S

3 bd · 2.25 ba · 3,190 sqft built 1974 · 0.22 acres $415,000 Oct 2018 $7,533 2026 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37640 40th Ave S

0.206 acres $415,000 Oct 2018 $907 2026 Assessor + 2 Documents Updated Jul 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

37648 40th Ave S

4 bd · 2.25 ba · 2,050 sqft built 1978 · 0.233 acres $157,000 Apr 1997 $6,840 2026 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37654 40th Ave S

3 bd · 2.25 ba · 1,920 sqft built 1978 · 0.22 acres $248,950 Aug 2004 $6,940 2026 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37818 40th Ave S

3 bd · 1.75 ba · 1,400 sqft built 2004 · 0.44 acres $18,000 May 1983 $6,001 2026 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37840 40th Ave S

2 bd · 1 ba · 1,990 sqft built 1940 · 0.33 acres $25,000 Feb 1989 $5,552 2026 Assessor Updated Jul 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

37851 40th Ave S

3 bd · 1 ba · 2,856 sqft built 1962 · 0.22 acres $154,900 Aug 1997 $6,779 2026 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

37856 40th Ave S

0.153 acres $565,000 Jul 2026 $5,858 2026 Assessor + 4 Documents Updated Oct 2026 2 Owners on File Owner Occupied

Property Records in Nearby Streets