King County property records for 7 addresses on 129th Ct SE, Newcastle, WA · Last verified October 2026
| Properties | 7 |
|---|---|
| Median Sale Price | $349,950 |
| Deeds and Mortgages on File | 3 |
| Median Price per Sqft | $148 |
| Owner Occupied | 71% |
| Median Annual Tax Bill | $10,948 |
| Median Year Built | 1988 |
| Median Ownership Tenure | 26 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8604 129th Ct SE |
4 bd · 3.25 ba · 3,490 sqft built 1988 · 0.352 acres | $168,500 Sep 1988 | $12,359 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8605 129th Ct SE |
4 bd · 2.5 ba · 2,500 sqft built 1988 · 0.287 acres | $156,000 May 1988 | $10,558 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8608 129th Ct SE |
3 bd · 2.5 ba · 2,270 sqft built 1989 · 0.456 acres | $525,000 Sep 2005 | $10,948 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8612 129th Ct SE |
5 bd · 3.5 ba · 3,170 sqft built 1989 · 0.548 acres | $1,560,500 Jul 2021 | $14,047 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8613 129th Ct SE |
3 bd · 2.5 ba · 2,350 sqft built 1988 · 0.376 acres | $349,950 Apr 1999 | $10,342 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8614 129th Ct SE |
4 bd · 2.5 ba · 2,100 sqft built 1988 · 0.329 acres | $317,500 Apr 2000 | $10,706 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8618 129th Ct SE |
3 bd · 2.5 ba · 2,600 sqft built 1987 · 0.26 acres | $350,000 Jul 2000 | $11,684 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |