King County property records for 54 addresses on 129th Ave SE, Newcastle, WA · Last verified October 2026
| Properties | 54 |
|---|---|
| Median Sale Price | $1,450,000 |
| Deeds and Mortgages on File | 79 |
| Median Price per Sqft | $538 |
| Owner Occupied | 80% |
| Median Annual Tax Bill | $12,376 |
| Median Year Built | 1989 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7203 129th Ave SE |
3 bd · 1 ba · 16,073 sqft built 2003 · 1.15 acres | $600,000 Oct 1997 | $5,952 2024 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7223 129th Ave SE |
4 bd · 1.5 ba · 1,530 sqft built 1964 · 0.31 acres | $200,000 Dec 1997 | $8,607 2026 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7225 129th Ave SE |
3 bd · 1.75 ba · 1,310 sqft built 1963 · 0.154 acres | $645,000 Nov 2006 | $9,265 2026 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7235 129th Ave SE |
3 bd · 1 ba · 1,150 sqft built 1963 · 0.154 acres | $823,500 Oct 2025 | $8,316 2026 | Assessor + 4 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7243 129th Ave SE |
4 bd · 2.5 ba · 1,830 sqft built 1976 · 0.268 acres | $615,000 Oct 2006 | $9,707 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7333 129th Ave SE |
4 bd · 2.5 ba · 2,400 sqft built 1997 · 0.278 acres | $275,000 Jan 1998 | $12,188 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7415 129th Ave SE |
6,728 sqft built 1983 · 0.87 acres | — May 2015 | $3,322 2024 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7608 129th Ave SE |
6 bd · 4.75 ba · 4,530 sqft built 2024 · 0.361 acres | $1,130,000 Dec 2021 | $24,932 2026 | Assessor + 4 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7612 129th Ave SE |
5 bd · 3.5 ba · 2,980 sqft built 2024 · 0.157 acres | $450,000 Jun 2021 | $16,778 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7624 129th Ave SE |
2 bd · 2 ba · 3,370 sqft built 1986 · 0.159 acres | — Jun 1993 | $11,182 2026 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7630 129th Ave SE |
3 bd · 3.25 ba · 2,550 sqft built 2015 · 0.213 acres | $1,799,950 Aug 2022 | $17,094 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7638 129th Ave SE |
3 bd · 2.5 ba · 2,460 sqft built 1943 · 0.223 acres | $130,000 Mar 1988 | $12,790 2026 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7642 129th Ave SE |
5 bd · 4.25 ba · 3,380 sqft built 1943 · 0.256 acres | $2,520,000 Jun 2024 | $17,949 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7643 129th Ave SE |
3 bd · 2 ba · 1,650 sqft built 1978 · 0.333 acres | $1,175,000 Apr 2026 | $10,816 2026 | Assessor + 5 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7801 129th Ave SE |
5 bd · 3.5 ba · 3,120 sqft built 2013 · 0.25 acres | $835,000 Nov 2014 | $16,558 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7804 129th Ave SE |
3 bd · 2.5 ba · 2,740 sqft built 1943 · 0.546 acres | $275,000 Sep 1991 | $14,688 2026 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7808 129th Ave SE |
4 bd · 3.75 ba · 4,260 sqft built 2013 · 0.25 acres | $819,900 May 2014 | $17,874 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7812 129th Ave SE |
4 bd · 2.5 ba · 2,550 sqft built 1958 · 0.507 acres | — Feb 1992 | $2,167 2026 | Assessor + 4 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7816 129th Ave SE |
3 bd · 1.5 ba · 920 sqft built 1935 · 0.448 acres | $748,000 Jun 2019 | $9,209 2026 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7822 129th Ave SE |
3 bd · 2.5 ba · 2,810 sqft built 1936 · 0.355 acres | $185,000 May 1996 | $13,570 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7824 129th Ave SE |
1 bd · 1 ba · 800 sqft built 1983 · 0.596 acres | $344,950 Dec 1999 | $1,250 2026 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7826 129th Ave SE |
5 bd · 4.75 ba · 4,220 sqft built 1937 · 0.486 acres | $250,000 Oct 1992 | $17,000 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7834 129th Ave SE |
3 bd · 1.75 ba · 1,840 sqft built 1936 · 0.245 acres | $750,000 Jan 2017 | $12,376 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7838 129th Ave SE |
4 bd · 1 ba · 1,340 sqft built 1943 · 0.241 acres | $1,000,000 Apr 2025 | $9,049 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7840 129th Ave SE |
3 bd · 1 ba · 1,310 sqft built 1937 · 0.233 acres | $1,052,450 Oct 2023 | $10,769 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8408 129th Ave SE |
3 bd · 3.5 ba · 2,530 sqft built 1990 · 0.27 acres | $220,000 Mar 1990 | $12,212 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8417 129th Ave SE |
3 bd · 2.25 ba · 1,920 sqft built 1988 · 0.261 acres | $143,541 Aug 2021 | $10,420 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8425 129th Ave SE |
4 bd · 2.75 ba · 2,360 sqft built 1988 · 0.262 acres | $560,000 Apr 2014 | $12,065 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8433 129th Ave SE |
3 bd · 2.5 ba · 2,240 sqft built 1988 · 0.245 acres | $149,000 May 1992 | $10,524 2026 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8441 129th Ave SE |
4 bd · 2.5 ba · 2,320 sqft built 1988 · 0.228 acres | $560,000 Sep 2013 | $10,628 2026 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8449 129th Ave SE |
4 bd · 2.5 ba · 2,950 sqft built 1988 · 0.211 acres | $133,500 Jun 1988 | $11,086 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8457 129th Ave SE |
3 bd · 2.5 ba · 2,470 sqft built 1989 · 0.194 acres | $159,000 Jun 1989 | $2,158 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8505 129th Ave SE |
4 bd · 2.5 ba · 2,160 sqft built 1987 · 0.177 acres | $454,900 Jun 2004 | $9,701 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8515 129th Ave SE |
3 bd · 2.5 ba · 2,100 sqft built 1987 · 0.309 acres | $1,130,000 May 2026 | $10,628 2026 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8553 129th Ave SE |
4 bd · 2.75 ba · 2,710 sqft built 1989 · 0.285 acres | $490,000 Mar 2011 | $11,511 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8561 129th Ave SE |
3 bd · 2.5 ba · 2,550 sqft built 1989 · 0.291 acres | $806,000 Jun 2019 | $11,450 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8564 129th Ave SE |
3 bd · 2.5 ba · 1,860 sqft built 1989 · 0.321 acres | $464,000 Oct 2013 | $9,831 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8569 129th Ave SE |
4 bd · 2.5 ba · 2,640 sqft built 1988 · 0.226 acres | $1,450,000 Apr 2026 | $13,506 2026 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8811 129th Ave SE |
3 bd · 2.25 ba · 3,800 sqft built 2013 · 0.187 acres | $1,775,000 Jan 2025 | $14,687 2026 | Assessor + 5 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8819 129th Ave SE |
4 bd · 4.25 ba · 3,560 sqft built 2012 · 0.175 acres | $1,650,000 Feb 2024 | $14,606 2026 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8827 129th Ave SE |
4 bd · 3.25 ba · 3,000 sqft built 2012 · 0.172 acres | $805,000 Apr 2016 | $13,551 2026 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8828 129th Ave SE |
4 bd · 2.5 ba · 2,910 sqft built 2011 · 0.172 acres | $1,580,000 Feb 2026 | $13,875 2026 | Assessor + 3 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8835 129th Ave SE |
4 bd · 3.25 ba · 3,000 sqft built 2012 · 0.173 acres | $765,000 Sep 2016 | $2,407 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8840 129th Ave SE |
4 bd · 2.75 ba · 3,200 sqft built 2011 · 0.172 acres | $1,700,000 Oct 2021 | $14,525 2026 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8843 129th Ave SE |
4 bd · 3.25 ba · 3,000 sqft built 2012 · 0.172 acres | $815,000 Mar 2017 | $13,037 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8851 129th Ave SE |
3 bd · 2.25 ba · 3,000 sqft built 2012 · 0.172 acres | $1,539,900 May 2023 | $13,479 2026 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8852 129th Ave SE |
5 bd · 2.75 ba · 3,330 sqft built 2011 · 0.172 acres | $1,125,000 Feb 2020 | $14,525 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8938 129th Ave SE |
4 bd · 2.75 ba · 3,500 sqft built 2011 · 0.172 acres | $825,000 Aug 2015 | $14,921 2026 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8950 129th Ave SE |
4 bd · 2.5 ba · 2,910 sqft built 2011 · 0.172 acres | $629,950 Jul 2012 | $13,975 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8965 129th Ave SE |
4 bd · 2.75 ba · 3,420 sqft built 2011 · 0.172 acres | $649,950 Aug 2011 | $14,218 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8971 129th Ave SE |
5 bd · 2.75 ba · 3,320 sqft built 2011 · 0.173 acres | $1,080,000 Oct 2018 | $14,335 2026 | Assessor + 8 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8977 129th Ave SE |
4 bd · 2.75 ba · 3,500 sqft built 2011 · 0.177 acres | $649,950 Aug 2011 | $14,335 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8983 129th Ave SE |
3 bd · 2.5 ba · 2,320 sqft built 2012 · 0.197 acres | $1,960,000 Mar 2022 | $12,820 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8999 129th Ave SE |
4 bd · 2.5 ba · 3,070 sqft built 2012 · 0.182 acres | $1,615,000 Jan 2022 | $13,758 2026 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |