311 N 43rd St, Seattle, WA 98103 Property Records

King County property record for 311 N 43rd St, Seattle, WA 98103

Property Summary

Property Type	Triplex
Details	5 bd · 3 ba · 2,490 sqft · built 1914
Lot Size	0.055 acres (2,400 sqft)
Owner	2 Individual Names on File
Last Sale	$695,000 (Apr 2017)
Tax Bill	$10,728 (2026)
Deeds & Mortgages	Mar 2021 Mortgage Apr 2020 Loan Modification + 2 more
Flood Zone	Zone X (minimal risk)
APN	`812970-0780`

Property Details

APN / Parcel Number

Primary APN	`812970-0780`
Alternative APN	`812970078000`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	2,490 sqft Living Area
Gross Area	2,840 sqft
1st Floor Area	800 sqft
2nd Floor Area	890 sqft
Basement Area	800 sqft
Finished Basement	800 sqft

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1914
Architectural Style	Triplex
Lot Area	2,400 sqft (0.055 acres)
View / Lot	Water View
Porch	Enclosed Porch
Porch Area	350 sqft

Utilities, Heating & Cooling

Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	812970078000
Street Address	311 N 43RD ST
City	SEATTLE
State	WA
Zip	98103-7063
Property Category	Residential
Property Type	Residential > Multi-Unit > Triplex
Local Zoning Code	LR1 (M)
Legal Description	SUNSET HEIGHTS ADD W 30 FT OF 1-2-3 & W 30 FT OF N 5 FT OF 4
Legal Range	04
Legal Township	25
Legal Section	18
Legal Subdivision	SUNSET HEIGHTS ADD
Legal Block	7
Legal Lot Number	1-4
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2011
Census Tract	4901

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Chittenden Locks and Lake Washington Ship Canal listed 1978 · 14 contributing resources · NRIS 78002751

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

311 N 43rd St, a triplex, is owned and occupied by two individuals who bought it in April 2017.

Source: King County records, as of July 7, 2026

Owner of Record	2 Individual Names on File
Mailing Address	311 N 43RD ST, SEATTLE, WA 98103-7063
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 15, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOMEBRIDGE FINANCIAL SERVICES INC
Apr 17, 2020	Loan Modification, Mortgage KEYBANK USA
May 10, 2019	Deed of Trust, Mortgage · Line of Credit KEYBANK USA
Apr 7, 2017	Warranty Deed, Transfer · Conventional Mortgage OPES ADVISORS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 7, 2017 · Amount on File
Deed Sale	Apr 7, 2017 · Amount on File
Deed Document Number	20171143
Prior Transfer Date	Jun 19, 2007
Prior Transfer Doc	0000000245
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	311 N 43RD ST, SEATTLE, WA 98103-7063
Transaction Type	Mortgage
Record Updated	Mar 26, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000003454
Date	Mar 15, 2021
Instrument	20210315003454

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Mortgage Company
Address	ISELIN, NJ 08830

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2051

April 2020: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KING WA
Property Address	311 N 43RD ST, SEATTLE, WA 98103-7063
Document Number	0000001062
Instrument Date	Apr 17, 2020
Transaction Type	Mortgage
Record Updated	Aug 19, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	7553 10TH AVE NW SEATTLE WA 981174110, SEATTLE, WA 98117-4110

Mortgage

Document Number	0000001062
Date	Aug 5, 2020
Instrument	202008051062

Lender

Name	KEYBANK USA
Type	Bank
Address	655 SW 152ND ST, BURIEN, WA 98166-2212

Agreement

Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	311 N 43RD ST, SEATTLE, WA 98103-7063
Document Number	0000000007
Instrument Date	May 10, 2019
Transaction Type	Mortgage
Record Updated	Aug 19, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	7553 10TH AVE NW SEATTLE WA 981174110, SEATTLE, WA 98117-4110

Mortgage

Document Number	0000000007
Date	Sep 13, 2019
Instrument	201909130007

Lender

Name	KEYBANK USA
Type	Bank
Address	655 SW 152ND ST, BURIEN, WA 98166-2212

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

April 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Apr 7, 2017
Property Address	311 N 43RD ST, SEATTLE, WA 98103-7063
Document Number	0000001143
Instrument Date	Apr 1, 2017
Instrument	201704071143
Transaction Type	Transfer
Record Updated	Apr 14, 2017
Title Company	CW TITLE

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	311 N 43RD ST SEATTLE WA 981037063, SEATTLE, WA 98103-7063

Mortgage

Document Number	1144
Date	Apr 7, 2017
Instrument	201704071144

Lender

Name	OPES ADVISORS
Address	CUPERTINO, CA 95014

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 6, 2047

Tax Assessment & Valuation

The 2026 property tax bill for 311 N 43rd St was $10,728.

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	$10,728.00
2025		$1,034,000 (+20.51%) Land $499,000 Building $535,000	$1,034,000 (+20.51%) Land $499,000 Building $535,000
2024	$8,347.00	$858,000 Land $570,000 Building $288,000	$858,000 Land $570,000 Building $288,000
2022	$8,029.00	$940,000 Land $502,000 Building $438,000	$940,000 Land $502,000 Building $438,000

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

Flood

FEMA maps place 311 N 43rd St in Zone X, an area of minimal flood risk.

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

The area around 311 N 43rd St has no burnable land within ember reach, so its wildfire risk is not rated.

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 1,193 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Google Fiber.

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