8317 Duncan Ave S, Seattle, WA 98118 Property Records

King County property record for 8317 Duncan Ave S, Seattle, WA 98118

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.75 ba · 3,230 sqft · built 1960
Lot Size	0.138 acres (6,000 sqft)
Owner	Individual Name on Record
Last Sale	$1,275,000 (Jun 2026)
Tax Bill	$7,988 (2026)
Deeds & Mortgages	Jun 2026 Sale & Mortgage Apr 2026 Sale + 4 more
Flood Zone	Zone X (minimal risk)
APN	`333600-0445`

Property Details

APN / Parcel Number

Primary APN	`333600-0445`
Alternative APN	`333600044502`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	3,230 sqft Living Area
Gross Area	4,470 sqft
1st Floor Area	1,970 sqft
Basement Area	1,780 sqft
Finished Basement	1,260 sqft
Unfinished Basement	520 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Exterior Material	Brick
Lot Area	6,000 sqft (0.138 acres)
View / Lot	Waterfront
Garage Type	Attached
Garage Area	720 sqft
Parking Spaces	3 Parking Spaces
Porch	Open Porch
Porch Area	80 sqft
Deck Area	40 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	333600044502
Street Address	8317 DUNCAN AVE S
City	SEATTLE
State	WA
Zip	98118-4718
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR3
Legal Description	HILLMANS C D ATLANTIC CITY ADD
Legal Range	04
Legal Township	24
Legal Section	35
Legal Subdivision	HILLMANS C D ATLANTIC CITY ADD
Legal Block	3
Legal Lot Number	7-8
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1011
Census Tract	11801

Owner

Source: King County records, as of July 8, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Date	Document
Jun 8, 2026	Warranty Deed, Transfer · Conventional Mortgage MECHANICS BANK
Apr 27, 2026	Quit Claim Deed, Transfer WFG LENDER SERVICES
Nov 20, 2017	Deed of Trust, Mortgage · Conventional Mortgage ON Q FINANCIAL INC
Dec 31, 2019	Deed of Trust, Mortgage · Line of Credit UMPQUA BANK
Oct 25, 2019	Deed of Trust, Mortgage · Conventional Mortgage ON Q FINANCIAL INC
Oct 5, 2020	Deed of Trust, Mortgage · Conventional Mortgage ON Q FINANCIAL INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 8, 2026 · Amount on Record
Deed Sale	Jun 8, 2026 · Amount on Record
Prior Sale	Mar 4, 2005 · Amount on Record
Deed Document Number	2026624
Prior Transfer Date	Apr 21, 2026
Prior Transfer Doc	0000001263
Record Updated	Oct 29, 2026

June 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Jun 8, 2026
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Document Number	0000000624
Instrument Date	Jun 1, 2026
Instrument	2026624
Transaction Type	Transfer
Record Updated	Jun 15, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718

Mortgage

Document Number	0000000625,
Date	Jun 8, 2026
Instrument	20260608625

Lender

Name	MECHANICS BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.23%
Initial Type	Fixed Rate
Max Rate	-1%

April 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	Apr 27, 2026
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Document Number	0000001263
Instrument Date	Apr 21, 2026
Instrument	20261263
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	WFG LENDER SERVICES

Transaction

Amount	Amount Recorded
Tax	$1,010.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000725
Date	Nov 20, 2017
Instrument	20171120000725

Lender

Name	ON Q FINANCIAL INC
Type	Lending Institution
Address	SCOTTSDALE, AZ 85251

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Dec 1, 2037

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	CHICAGO TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000437
Date	Dec 31, 2019
Instrument	20191231000437

Lender

Name	UMPQUA BANK
Type	Bank
Address	SEATTLE, WA 98102

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000747
Date	Oct 25, 2019
Instrument	20191025000747

Lender

Name	ON Q FINANCIAL INC
Type	Lending Institution
Address	TEMPE, AZ 85281

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2049

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	8317 DUNCAN AVE S, SEATTLE, WA 98118-4718
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	CTI

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001600
Date	Oct 5, 2020
Instrument	20201005001600

Lender

Name	ON Q FINANCIAL INC
Type	Funding / Finance Company
Address	TEMPE, AZ 85281

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 1, 2050

Tax Assessment & Valuation

Source: King County assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	Washington
County	King County
Municipality	Seattle City
Unified School District	Seattle Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$7,988.00 (+15.03%)
2025	$6,944.00	$723,000 (+7.91%) Land $308,000 Building $415,000	$723,000 (+7.91%) Land $308,000 Building $415,000
2024	$6,944.00 (+11.55%)	$670,000 (-1.76%) Land $308,000 Building $362,000	$670,000 (-1.76%) Land $308,000 Building $362,000
2022	$6,225.00	$682,000 Land $288,000 Building $394,000	$682,000 Land $288,000 Building $394,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 23, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050
Water Source	Surface water
Last State Inspection	Jul 2025
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 436 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber	8,000 / 8,000
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000

May also be available: T-Mobile, Verizon.

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