Seneca St, Seattle, WA Property Records

King County property records for 19 addresses on Seneca St, Seattle, WA · Last verified August 2026

Seneca St Highlights

Properties 225
Median Sale Price $730,000
Deeds and Mortgages on File 267
Median Price per Sqft $730
Owner Occupied 74%
Median Annual Tax Bill $6,021
Median Year Built 2016
Median Ownership Tenure 10 years

Properties on Seneca St

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

315 Seneca St

36,240 sqft · Built 1926 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,850,000Sep 2021 $105,2082026 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

415 Seneca St

284,210 sqft · Built 1964 · 0.661 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,000,000Aug 2003 $6,2442024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

720 Seneca St

75,000 sqft · Built 1927 · 0.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2016 $196,1242024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

720 Seneca St, #B

Built 2014 · 0.264 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,391,000Oct 2022 $91,7682026 Amount on Record Nov 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

800 Seneca St

299,319 sqft · Built 2014 · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,000,000Jun 2012 $1,238,1732026 Amount on Record Jan 2011 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

800 Seneca St, Apt 1007

3 bd · 2.5 ba · 1,803 sqft · 2.83 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$828,880Apr 2021 $7,7422026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

800 Seneca St, Apt 1102

2 bd · 2 ba · 1,060 sqft · 0.331 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7282026 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

901 Seneca St

76,968 sqft · Built 1952 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1994 $7972024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

925 Seneca St

164,000 sqft · Built 1920 · 0.887 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,3332024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

1018 Seneca St

42,910 sqft · Built 1925 · 0.293 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,210,000Oct 2018 $129,4022026 Amount on Record Jul 1998 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1101 Seneca St

54 units · Built 1981 · 855 sq ft

Last Sale Median Tax Bill Median Sale    
$540,000Jun 2026 $6,4862026 $652,50054 units    

1101 Seneca St

Built 1981 · 0.352 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jan 2026

1215 Seneca St

46,284 sqft · Built 1928 · 0.495 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,676,975May 2005 $194,9812026 Amount on Record Dec 1994 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

1305 Seneca St

14,400 sqft · Built 1948 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,060,000May 2018 $3,1312024 —Feb 1984 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

1312 Seneca St, #805

1 bd · 1 ba · 794 sqft · 0.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$599,950Sep 2016 $5,5802026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

1321 Seneca St

Built 2016 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Assessor + 3 DocumentsUpdated Jan 2026

1321 Seneca St

154 units · Built 2016 · 602 sq ft

Last Sale Median Tax Bill Median Sale    
$525,000Apr 2026 $5,9162026 $720,000154 units    

1414 Seneca St

15,823 sqft · Built 1918 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Oct 1996 $48,4442026 —Oct 1996 1 Name on Record AssessorUpdated Jul 2026

1422 Seneca St

2,393 sqft · Built 1949 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,700,000Apr 2022 $23,0212026 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

Wildfire Risk on Seneca St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 1st percentile of exposed land nationally · 1st in Washington
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 6 cells directly exposed · 1 adjoin burnable vegetation

Property Records in Nearby Streets