Whatcom County property records for 3 addresses on Black Mountain Ln, Sumas, WA · Last verified March 2026
| Properties | 3 |
|---|---|
| Latest Sale | $362,000 (Jun 2016) |
| Sales Recorded | 1 |
| Average Living Area | 618 sq ft |
| Median Annual Tax Bill | $2,054 |
| Average Year Built | 1956 |
| Average Ownership Tenure | 10 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 bd · 1 ba · 565 sqft · built 1956 · 0.281 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,0542025 | Owner on Record | AssessorUpdated Mar 2026 |
672 sqft · 0.254 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6112025 | 2 Owners on Record | AssessorUpdated Mar 2026 |
0.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,000Jun 2016 | $1,0072025 | —Jun 2013 | Owner on Record | AssessorUpdated Mar 2026 |