King County property records for 6 addresses on 6th Ave, Black Diamond, WA · Last verified October 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $349,999 |
| Deeds and Mortgages on File | 2 |
| Median Price per Sqft | $186 |
| Owner Occupied | 50% |
| Median Annual Tax Bill | $4,488 |
| Median Year Built | 1967 |
| Median Ownership Tenure | 21 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,850 sqft · built 1967 · 0.935 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Feb 1992 | $7,0932026 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1 bd · 1 ba · 1,020 sqft · built 1966 · 0.312 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $189,950Sep 2005 | $3,2442026 | Amount on Record Dec 1988 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 1.5 ba · 1,380 sqft · built 1964 · 0.512 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 1993 | $4,4632026 | Owner on Record | AssessorUpdated Jul 2026 |
18,822 sqft · built 1989 · 6.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,8302025 | Owner on Record | AssessorUpdated Apr 2026 |
4 bd · 2.5 ba · 2,020 sqft · built 2016 · 0.177 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,999Nov 2016 | $4,4882026 | Amount on Record Mar 2016 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,410 sqft · built 1966 · 0.81 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Aug 2025 | $5,8832026 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |