4427 S Willow St, Seattle, WA 98118 Property Records

King County property record for 4427 S Willow St, Seattle, WA 98118

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.75 ba · 2,400 sqft · built 2004
Lot Size0.126 acres (5,497 sqft)
OwnerIndividual Name on File
Last Sale$330,000 (Jun 2004)
Tax Bill$8,545 (2026)
Deeds & MortgagesJun 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN381240-0799

Property Details

APN / Parcel Number

Primary APN381240-0799
Alternative APN
  • 381240079909

Interior

Bedrooms5 Beds
Full Baths2.75 Baths
Half Baths1 Half Bath
Stories1 Story
Building Area2,400 sqft Living Area
Gross Area3,060 sqft
1st Floor Area1,450 sqft
Basement Area1,030 sqft
Finished Basement950 sqft
Unfinished Basement80 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2004
Lot Area5,497 sqft (0.126 acres)
Garage TypeAttached
Garage Area580 sqft
Parking Spaces2 Parking Spaces
Deck Area60 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number381240079909
Street Address4427 S WILLOW ST
CitySEATTLE
StateWA
Zip98118-3638
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRSL (M)
Legal DescriptionKELSEYS BRIGHTON BEACH ACRE TRS PARCEL A SEATTLE SHORT SUBDIVISION NO 2207658 REC NO 20030227900014 SD SHORT SUBDIVISION DAF -- NORTH 1/2 OF LOT 63 IN KELSEYS BRIGHTON BEACH ACRE TRACTS - LESS EAST 44.80 FT THOF ALSO LESS NORTH 27.50 FT THOF FOR ROAD
Legal Range04
Legal Township24
Legal Section27
Legal SubdivisionKELSEYS BRIGHTON BEACH ACRE TRS
Legal Tract-
Legal Lot Number63
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group1
Census Block1000
Census Tract11101

Owner

4427 S Willow St is owned and occupied by an individual who bought it in June 2004.

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

Owner of RecordIndividual Name on File
Mailing Address4427 S WILLOW ST, SEATTLE, WA 98118-3638
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 4, 2004 · Amount on File
Deed SaleJun 4, 2004 · Amount on File
Prior SaleOct 31, 2003 · Amount on File
Deed Document Number20041119
Record UpdatedOct 29, 2026

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address4427 S WILLOW ST, SEATTLE, WA 98118-3638
Document Number0000000877
Instrument DateJun 12, 2020
Transaction TypeMortgage
Record UpdatedJun 26, 2020
Title CompanyWFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address4427 S WILLOW ST SEATTLE WA 981183638, SEATTLE, WA 98118-3638

Mortgage

Document Number0000000877
DateJun 17, 2020
Instrument202006170877
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term180 Months
DueJun 16, 2035

Tax Assessment & Valuation

The 2026 property tax bill for 4427 S Willow St was $8,545.

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

Property Jurisdictions

TypeName
StateWashington
CountyKing County
MunicipalitySeattle City
Unified School DistrictSeattle Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$8,545.00
2025$789,000 (+2.87%) Land $500,000 Building $289,000$789,000 (+2.87%) Land $500,000 Building $289,000
2024$7,744.00$767,000 Land $500,000 Building $267,000$767,000 Land $500,000 Building $267,000
2022$7,029.00$781,000 Land $467,000 Building $314,000$781,000 Land $467,000 Building $314,000

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

Flood

FEMA maps place 4427 S Willow St in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

The area around 4427 S Willow 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 RiskNot 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 SystemSEATTLE PUBLIC UTILITIES
serves 1,161,961 people · EPA ID WA5377050
Water SourceSurface water
Last State InspectionJul 2025
Lead2 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 769 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
CenturyLink
Fiber · DSL in parts of the area
2,000 / 1,000

May also be available: AT&T, T-Mobile, Verizon.

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