1018 20th Ave S, Seattle, WA 98144 Property Records

King County property record for 1018 20th Ave S, Seattle, WA 98144

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 820 sqft · built 1902
Lot Size0.103 acres (4,500 sqft)
OwnerIndividual Name on Record
Last Sale$440,000 (Nov 2016)
Tax Bill$8,179 (2026)
Deeds & MortgagesMar 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN712830-0320

Property Details

APN / Parcel Number

Primary APN712830-0320
Alternative APN
  • 712830032009

Interior

Bedrooms2 Beds
Full Baths1 Bath
Stories1 Story
Building Area820 sqft Living Area
Gross Area1,640 sqft
1st Floor Area820 sqft
Basement Area820 sqft

Exterior

Year BuiltBuilt 1902
Effective Year BuiltEffective 1902
Lot Area4,500 sqft (0.103 acres)
PorchOpen Porch
Porch Area110 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number712830032009
Street Address1018 20TH AVE S
CitySEATTLE
StateWA
Zip98144-2924
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRSL (M)
Legal DescriptionRAINIER ADD TO SEATTLE S 1/2
Legal Range04
Legal Township24
Legal Section04
Legal SubdivisionRAINIER ADD TO SEATTLE
Legal Block3
Legal Lot Number24
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group3
Census Block3009
Census Tract9000

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 Address1018 20TH AVE S, SEATTLE, WA 98144-2924
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 3, 2016 · Amount on Record
Deed SaleNov 3, 2016 · Amount on Record
Prior SaleMar 11, 2014 · Amount on Record
Deed Document Number2016864
Prior Transfer DateOct 27, 2011
Prior Transfer Doc0000000486
Record UpdatedOct 29, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address1018 20TH AVE S, SEATTLE, WA 98144-2924
Document Number0000001923
Instrument DateMar 17, 2020
Transaction TypeMortgage
Record UpdatedApr 27, 2020
Title CompanyFIRST AMERICAN

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address1018 20TH AVE S SEATTLE WA 981442924, SEATTLE, WA 98144-2924

Mortgage

Document Number0000001923
DateMar 25, 2020
Instrument202003251923
Lender
NameBOEING EMPS CU
TypeCredit Union
AddressTUKWILA, WA 98168
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term240 Months
DueMar 24, 2040

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$8,179.00 (+11.17%)
2025$752,000 (+3.72%) Land $461,000 Building $291,000$752,000 (+3.72%) Land $461,000 Building $291,000
2024$7,357.00 (+12.29%)$725,000 (-2.55%) Land $452,000 Building $273,000$725,000 (-2.55%) Land $452,000 Building $273,000
2022$6,552.00$744,000 Land $390,000 Building $354,000$744,000 Land $390,000 Building $354,000

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

ProviderMax Down / Up (Mbps)
CenturyLink
Fiber
8,000 / 8,000
Xfinity
Cable · Fiber in parts of the area
2,000 / 2,000
Astound Broadband
Cable · Fiber in parts of the area
1,500 / 50
Verizon
Fixed Wireless
1,000 / 75
AT&T
Fixed Wireless
100 / 20

May also be available: Google Fiber, T-Mobile.

Nearby Properties on 20th Ave S

Nearby Streets

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