603 12th Ave E, Seattle, WA Property Records

King County property records for 21 units in 603 12th Ave E, Seattle, WA · Last verified October 2026

603 12th Ave E Highlights

Properties 21
Median Sale Price $4,045,000
Deeds and Mortgages on File 42
Median Price per Sqft $5,913
Median Annual Tax Bill $2,390
Median Year Built 1929
Median Ownership Tenure 6 years

Properties on 603 12th Ave E

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

603 12th Ave E, #S-21

1 ba · 400 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2152026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 101

2 bd · 1 ba · 875 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,8632026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 102

1 bd · 1 ba · 679 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,3902026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 103

1 bd · 1 ba · 684 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,3472026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 104

1 ba · 470 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,0682026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 105

1 ba · 455 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,0682026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 106

1 bd · 1 ba · 785 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,4982026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 201

2 bd · 1 ba · 876 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,9072026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 202

2 bd · 1 ba · 868 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,9282026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 203

1 bd · 1 ba · 685 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,3902026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 204

1 ba · 470 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,1102026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 205

1 ba · 455 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,1532026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 206

1 bd · 1 ba · 785 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,5842026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 301

2 bd · 1 ba · 876 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,9932026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 302

2 bd · 1 ba · 868 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $3,0582026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 303

1 bd · 1 ba · 685 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,4762026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 304

1 ba · 470 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,1962026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 305

1 ba · 455 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,2832026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt 306

1 bd · 1 ba · 785 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,7132026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt A

1 ba · 462 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $1,8942026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

603 12th Ave E, Apt B

1 bd · 1 ba · 672 sqft · built 1929 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,045,000Feb 2020 $2,1962026 —Feb 2013 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026