415 18th Ave S, Seattle, WA 98144 Property Records

King County property record for 415 18th Ave S, Seattle, WA 98144

Property Summary

Property TypeGeneral Industrial
Details9,614 sqft · built 1917
Lot Size0.245 acres (10,680 sqft)
OwnerCompany Name on Record
Last Sale$2,425,000 (Aug 2017)
Tax Bill$16,895 (2026)
Deeds & MortgagesAug 2018 Mortgage
Aug 2017 Sale
Flood ZoneZone X (minimal risk)
APN331950-1505

Property Details

APN / Parcel Number

Primary APN331950-1505
Alternative APN
  • 331950150507

Interior

Stories1 Story
Building Area9,614 sqft Gross Area

Exterior

Year BuiltBuilt 1917
Effective Year BuiltEffective 1917
Architectural StyleCustom Design
Construction TypeWood
Fire ResistanceWood or Wood & Steel Frame
Lot Area10,680 sqft (0.245 acres)
Total Buildings2 Buildings

Utilities, Heating & Cooling

SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number331950150507
Street Address415 18TH AVE S
CitySEATTLE
StateWA
Zip98144
Property CategoryIndustrial
Property TypeIndustrial > General Industrial
Local Zoning CodeLR2 (M)
Legal DescriptionHILL TRACT ADD
Legal Range04
Legal Township24
Legal Section04
Legal SubdivisionHILL TRACT ADD
Legal Block25
Legal Lot Number23-24
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group1
Census Block1018
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 RecordCompany Name on Record
Mailing Address1620 BROADWAY, 200, SEATTLE, WA 98122-2564
Owner TypeCompany

Deeds, Mortgages & Sale History

DateDocument
Aug 16, 2018Deed of Trust, Mortgage · Commercial Mortgage
WASHINGTON TRUST BANK
Aug 4, 2017Warranty Deed, Transfer
CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 4, 2017 · Amount on Record
Deed SaleAug 4, 2017 · Amount on Record
Prior SaleJul 30, 1991 · Amount on Record
Deed Document Number2017827
Record UpdatedOct 29, 2026

August 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address415 18TH AVE S, SEATTLE, WA 98144
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000000705
DateAug 16, 2018
Instrument20180816000705
Lender
NameWASHINGTON TRUST BANK
TypeBank
AddressSEATTLE, WA 98101
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

August 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionKING WA
Recording DateAug 4, 2017
Property Address415 18TH AVE S, SEATTLE, WA 98144
Document Number0000000827
Instrument DateAug 2, 2017
Instrument201708040827
Transaction TypeTransfer
Record UpdatedAug 10, 2017
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

AmountAmount Recorded
Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany

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$16,895.00 (+12.45%)
2025$15,025.00$1,452,800 (+5.19%) Land $1,335,000 Building $117,800$1,452,800 (+5.19%) Land $1,335,000 Building $117,800
2024$15,025.00 (+20.76%)$1,381,100 (+7.68%) Land $1,335,000 Building $46,100$1,381,100 (+7.68%) Land $1,335,000 Building $46,100
2022$12,442.00$1,282,600 Land $1,281,600 Building $1,000$1,282,600 Land $1,281,600 Building $1,000

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 · 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

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 772 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Google Fiber.

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