500 12th Ave S, Seattle, WA 98144 Property Records

King County property record for 500 12th Ave S, Seattle, WA 98144

Property Summary

Property TypeDuplex
Details5 bd · 2.5 ba · 2,090 sqft · built 1900
Lot Size0.115 acres (5,000 sqft)
OwnerIndividual Name on File
Tax Bill$16,799 (2026)
Deeds & MortgagesJun 2019 Transfer
Flood ZoneZone X (minimal risk)
APN817010-0316

Property Details

APN / Parcel Number

Primary APN817010-0316
Alternative APN
  • 817010031604

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,090 sqft Living Area
Gross Area3,310 sqft
1st Floor Area1,220 sqft
2nd Floor Area870 sqft
Basement Area1,220 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleDuplex Single
Lot Area5,000 sqft (0.115 acres)
PorchOpen Porch
Porch Area330 sqft
Deck Area80 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number817010031604
Street Address500 12TH AVE S
CitySEATTLE
StateWA
Zip98144-2006
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeDMR/C 75/7
Legal DescriptionSYNDICATE ADD N 50 FT
Legal Range04
Legal Township24
Legal Section05
Legal SubdivisionSYNDICATE ADD
Legal Block4
Legal Lot Number1-2
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group1
Census Block1027
Census Tract9000

Owner

500 12th Ave S, a duplex, is owned by an individual who acquired it in May 2019.

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

Owner of RecordIndividual Name on File
Mailing Address8342 LIBBY RD NE, OLYMPIA, WA 98506-9638
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 Transfer DateMay 31, 2019
Transfer Doc0000000133
Record UpdatedOct 29, 2026

June 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionKING WA
Recording DateJun 14, 2019
Property Address500 12TH AVE S, SEATTLE, WA 98144-2006
Document Number0000000133
Instrument DateMar 31, 2019
Instrument201906140133
Transaction TypeTransfer
Record UpdatedJun 28, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address500 12TH AVE S SEATTLE WA 981442006, SEATTLE, WA 98144-2006

Tax Assessment & Valuation

The 2026 property tax bill for 500 12th Ave S was $16,799.

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$16,799.00
2025$1,622,000 (+1.95%) Land $1,621,000 Building $1,000$1,622,000 (+1.95%) Land $1,621,000 Building $1,000
2024$15,320.00$1,591,000 Land $1,590,000 Building $1,000$1,591,000 Land $1,590,000 Building $1,000
2022$11,827.00$1,372,000 Land $1,371,000 Building $1,000$1,372,000 Land $1,371,000 Building $1,000

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

Flood

FEMA maps place 500 12th Ave S in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.

Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force
Nearby Flood Claims1 (2020)
Claims Outside the SFHA1 of 1
Most Recent ClaimDec 2020 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 500 12th Ave S 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 150 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
Astound Broadband
Cable · Fiber in parts of the area
1,500 / 50
Starlink
Satellite
280 / 30
AT&T
Fixed Wireless
100 / 20

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

Nearby Properties on 12th Ave S

Nearby Streets

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