19 Prospect St, Seattle, WA 98109 Property Records

King County property record for 19 Prospect St, Seattle, WA 98109

Property Summary

Property Type	Duplex
Details	6 bd · 4.5 ba · 5,190 sqft · built 1906
Lot Size	0.095 acres (4,125 sqft)
Owner	2 Individual Names on File
Last Sale	$1,580,000 (Jun 2021)
Tax Bill	$19,250 (2026)
Deeds & Mortgages	Jun 2021 Sale & Mortgage Aug 2019 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`387990-0260`

Property Details

APN / Parcel Number

Primary APN	`387990-0260`
Alternative APN	`387990026008`

Interior

Bedrooms	6 Beds
Full Baths	4.5 Baths
Half Baths	5 Half Baths
Stories	2 Stories
Building Area	5,190 sqft Living Area
1st Floor Area	1,450 sqft
2nd Floor Area	1,450 sqft
Upper Floors Area	700 sqft
Basement Area	1,590 sqft
Finished Basement	1,590 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1906
Architectural Style	Duplex Single
Lot Area	4,125 sqft (0.095 acres)
View / Lot	Water View
Porch	Open Porch
Porch Area	360 sqft
Deck Area	200 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	387990026008
Street Address	19 PROSPECT ST
City	SEATTLE
State	WA
Zip	98109-3686
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	LR3 (M)
Legal Description	KINNEARS G ADD SUPL N 1/2 OF 1 & E 5 FT OF N 1/2 OF 2
Legal Range	03
Legal Township	25
Legal Section	25
Legal Subdivision	KINNEARS G ADD SUPL
Legal Block	5
Legal Lot Number	1-2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2008
Census Tract	7002

Owner

19 Prospect St, a duplex, is owned by two individuals who bought it in June 2021.

Source: King County records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	309 W KINNEAR PL, SEATTLE, WA 98119-3732
Owner Type	Individual

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

Date	Document
Jun 1, 2021	Quit Claim Deed, Transfer · Conventional Mortgage BANK OF AMERICA NA
Aug 27, 2019	Deed of Trust, Mortgage STATE BK/CEYLON
Jan 28, 2019	Loan Modification, Mortgage PACIFIC CREST SVGS BK
Aug 9, 2018	Deed of Trust, Mortgage · Conventional Mortgage NWBF LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 2021 · Amount on File
Deed Sale	Jun 1, 2021 · Amount on File
Prior Sale	Jun 20, 2016 · Amount on File
Deed Document Number	202150
Prior Transfer Date	May 27, 2021
Prior Transfer Doc	0000000050
Record Updated	Oct 29, 2026

June 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	Jun 1, 2021
Property Address	19 PROSPECT ST, SEATTLE, WA 98109-3686
Document Number	0000000050
Map Reference	VOL 2 PG 62
Instrument Date	May 27, 2021
Instrument	20210601000050
Transaction Type	Transfer
Record Updated	Jun 10, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$28,405.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	309 W KINNEAR PL, SEATTLE, WA 98119-3732

Mortgage

Document Number	0000000051
Date	Jun 1, 2021
Instrument	20210601000051

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2051

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	19 PROSPECT ST, SEATTLE, WA 98109-3686
Document Number	0000001610
Instrument Date	Aug 27, 2019
Transaction Type	Mortgage
Record Updated	Sep 10, 2019
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE LTD

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	19 PROSPECT ST SEATTLE WA 981093686, SEATTLE, WA 98109-3686

Mortgage

Document Number	0000001610
Date	Aug 28, 2019
Instrument	201908281610

Lender

Name	STATE BK/CEYLON
Type	Bank
Address	104 W MAIN ST, CEYLON, MN 56121-5001

Agreement

Amount	Amount on Record

January 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KING WA
Property Address	19 PROSPECT ST, SEATTLE, WA 98109-3686
Document Number	0000000698
Instrument Date	Jan 28, 2019
Transaction Type	Mortgage
Record Updated	Feb 8, 2019
Title Company	FIRST AMERICAN

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	19 PROSPECT ST SEATTLE WA 981093686, SEATTLE, WA 98109-3686

Mortgage

Document Number	0000000698
Date	Feb 1, 2019
Instrument	201902010698

Lender

Name	PACIFIC CREST SVGS BK
Type	Federal Savings Bank
Address	LYNNWOOD, WA 98037

Agreement

Term	12 Months
Due	Jan 31, 2020

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	19 PROSPECT ST, SEATTLE, WA 98109-3686
Document Number	0000000300
Instrument Date	Aug 9, 2018
Transaction Type	Mortgage
Record Updated	Nov 22, 2018
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE LTD

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5859 WOODLAWN AVE N SEATTLE WA 981035714, SEATTLE, WA 98103-5714

Mortgage

Document Number	0000000300
Date	Oct 4, 2018
Instrument	201810040300

Lender

Name	NWBF LLC
Address	BELLEVUE, WA 98006

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 19 Prospect St was $19,250.

Source: King County assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	Washington
County	King County
Municipality	Seattle City
Unified School District	Seattle Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$19,250.00
2025		$1,880,000 (+1.79%) Land $1,348,000 Building $532,000	$1,880,000 (+1.79%) Land $1,348,000 Building $532,000
2024	$17,573.00	$1,847,000 Land $1,348,000 Building $499,000	$1,847,000 Land $1,348,000 Building $499,000
2022	$15,694.00	$1,870,000 Land $1,427,000 Building $443,000	$1,870,000 Land $1,427,000 Building $443,000

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

Flood

FEMA maps place 19 Prospect St in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

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 19 Prospect St 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 Risk	Not 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 System	SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050
Water Source	Surface water
Last State Inspection	Jul 2025
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 631 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber	8,000 / 8,000
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless	100 / 20

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

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