2010 12th Ave S, Seattle, WA 98144 Property Records

King County property record for 2010 12th Ave S, Seattle, WA 98144

Property Summary

Property TypeDuplex
Details3 bd · 2 ba · 1,620 sqft · built 1901
Lot Size0.138 acres (6,000 sqft)
Owner2 Individual Names on File
Last Sale$120,000 (Dec 1989)
Tax Bill$8,573 (2026)
Flood ZoneZone X (minimal risk)
APN149830-0640

Property Details

APN / Parcel Number

Primary APN149830-0640
Alternative APN
  • 149830064007

Interior

Bedrooms3 Beds
Full Baths2 Baths
Stories1 Story
Building Area1,620 sqft Living Area
Gross Area2,550 sqft
1st Floor Area880 sqft
Upper Floors Area740 sqft
Basement Area710 sqft

Exterior

Year BuiltBuilt 1901
Effective Year BuiltEffective 1901
Architectural StyleDuplex Single
Lot Area6,000 sqft (0.138 acres)
View / LotWater View
Garage TypeAttached
Garage Area220 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area50 sqft

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number149830064007
Street Address2010 12TH AVE S
CitySEATTLE
StateWA
Zip98144-4108
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeRSL (M)
Legal DescriptionCENTRAL SEATTLE PLAT BLOCK: 11 PLAT LOT: 4
Legal Range04
Legal Township24
Legal Section08
Legal SubdivisionCENTRAL SEATTLE
Legal Block11
Legal Lot Number4
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group3
Census Block3006
Census Tract9400

Owner

2010 12th Ave S, a duplex, is owned by two individuals who bought it in December 1989.

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

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

Owner of Record2 Individual Names on File
Mailing Address9160 SE 54TH ST, MERCER ISLAND, WA 98040-5148
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 21, 1989 · Amount on File
Deed SaleDec 21, 1989 · Amount on File
Deed Document Number198912221108
Deed Book / Page1 / 57
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 2010 12th Ave S was $8,573.

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$8,573.00
2025$782,000 (+3.58%) Land $687,000 Building $95,000$782,000 (+3.58%) Land $687,000 Building $95,000
2024$7,725.00$755,000 Land $687,000 Building $68,000$755,000 Land $687,000 Building $68,000
2022$7,134.00$794,000 Land $525,000 Building $269,000$794,000 Land $525,000 Building $269,000

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

Flood

FEMA maps place 2010 12th Ave S 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

Wildfire risk around 2010 12th Ave S is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 98% of the US · lower than 98.6% of Washington
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 913 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
CenturyLink
Fiber · DSL in parts of the area
8,000 / 8,000
Xfinity
Cable
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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Google Fiber.

Nearby Properties on 12th Ave S

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