King County and Pierce County property records for 9 addresses on Boundary Blvd, Auburn, WA · Last verified October 2026
| Properties | 9 |
|---|---|
| Median Sale Price | $4,850,000 |
| Deeds and Mortgages on File | 8 |
| Median Price per Sqft | $192 |
| Owner Occupied | 11% |
| Median Annual Tax Bill | $89,124 |
| Median Year Built | 1992 |
| Median Ownership Tenure | 13 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
400 Boundary Blvd |
65,100 sqft built 1992 · 1.68 acres | $4,400,000 Jan 2013 | $126,978 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
502 Boundary Blvd |
46,871 sqft built 1990 · 2.52 acres | $9,009,075 Jan 2017 | $132,793 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
512 Boundary Blvd |
50,900 sqft built 1988 · 2.4 acres | $15,500,000 Nov 2025 | $109,708 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1510 Boundary Blvd |
22,966 sqft built 2005 · 1.06 acres | $4,850,000 Jan 2021 | $64,950 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1512 Boundary Blvd |
22,991 sqft built 2005 · 0.978 acres | $22,000,000 Apr 2016 | $65,575 2026 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1601 Boundary Blvd |
32,592 sqft built 1992 · 1.9 acres | $2,100,000 Oct 2012 | $75,148 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1602 Boundary Blvd |
34,236 sqft built 2005 · 1.66 acres | $3,160,000 Jul 2013 | $89,124 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1606 Boundary Blvd |
3 bd · 3 ba · 1,918 sqft built 1968 · 0.433 acres | $201,000 Mar 2010 | $5,656 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1610 Boundary Blvd |
52,677 sqft built 2005 · 2.5 acres | $4,017,968 Dec 2005 | $144,831 2026 | Assessor + 1 Document Updated Oct 2026 | Owner on File |