1. Home
  2. Washington
  3. King County
  4. Seattle
  5. Interlake Ave N

3909 Interlake Ave N, Seattle, WA 98103 Property Records

King County property record for 3909 Interlake Ave N, Seattle, WA 98103

Property Summary

Property TypeSingle Family Home
Details4 bd · 1.75 ba · 1,500 sqft · built 1926
Lot Size0.109 acres (4,752 sqft)
OwnerIndividual Name on Record
Last Sale$977,000 (Oct 2020)
Tax Bill$11,161 (2026)
Deeds & MortgagesOct 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN944530-0020

Property Details

APN / Parcel Number

Primary APN944530-0020
Alternative APN
  • 944530002004

Interior

Bedrooms4 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Stories1 Story
Building Area1,500 sqft Living Area
Gross Area2,270 sqft
1st Floor Area920 sqft
Upper Floors Area430 sqft
Basement Area740 sqft
Finished Basement150 sqft
Unfinished Basement590 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 1926
Lot Area4,752 sqft (0.109 acres)
Garage TypeAttached
Garage Area180 sqft
Deck Area160 sqft

Utilities, Heating & Cooling

Heating SystemHeat Pump
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number944530002004
Street Address3909 INTERLAKE AVE N
CitySEATTLE
StateWA
Zip98103-8131
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeNR3
Legal DescriptionWILMOT TERRACE UNREC PLAT BLOCK: 1 PLAT LOT: 4
Legal Range04
Legal Township25
Legal Section18
Legal SubdivisionWILMOT TERRACE
Legal Block1
Legal Lot Number4
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group2
Census Block2004
Census Tract5402

Historic Designation

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

Historic DistrictWithin 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

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

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

Owner of RecordIndividual Name on Record
Mailing Address3909 INTERLAKE AVE N, SEATTLE, WA 98103-8131
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 8, 2020 · Amount on Record
Deed SaleOct 8, 2020 · Amount on Record
Prior SaleSep 22, 1997 · Amount on Record
Deed Document Number20201073
Record UpdatedOct 29, 2026

October 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionKING WA
Recording DateOct 8, 2020
Property Address3909 INTERLAKE AVE N, SEATTLE, WA 98103-8131
Document Number0000001073
Instrument DateSep 29, 2020
Instrument20201008001073
Transaction TypeTransfer
Record UpdatedJul 30, 2021
Title CompanyRAINIER TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$16,495.60
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3909 INTERLAKE AVE N, SEATTLE, WA 98103-8131

Mortgage

Document Number0000001074
DateOct 8, 2020
Instrument20201008001074
Lender
NameCALIBER HOME LOANS INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2050

Tax Assessment & Valuation

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$11,161.00 (+13.63%)
2025$1,053,000 (+6.04%) Land $691,000 Building $362,000$1,053,000 (+6.04%) Land $691,000 Building $362,000
2024$9,822.00 (+10.88%)$993,000 (-3.4%) Land $641,000 Building $352,000$993,000 (-3.4%) Land $641,000 Building $352,000
2022$8,858.00$1,028,000 Land $572,000 Building $456,000$1,028,000 Land $572,000 Building $456,000

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 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

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 874 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband, AT&T, Google Fiber.

Nearby Properties on Interlake Ave N

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures