100 E Boston St, Seattle, WA 98102 Property Records

King County property record for 100 E Boston St, Seattle, WA 98102

Property Summary

Property Type	Apartments (5+ Units)
Details	7,136 sqft · built 1957
Lot Size	0.152 acres (6,600 sqft)
Owner	Company Name on Record
Last Sale	$3,242,000 (Oct 2019)
Tax Bill	$31,007 (2026)
Deeds & Mortgages	Oct 2019 Sale & Construction Loan
Flood Zone	Zone X (minimal risk)
APN	`290220-0565`

Property Details

APN / Parcel Number

Primary APN	`290220-0565`
Alternative APN	`290220056508`

Interior

Units	13 Units
Stories	2 Stories
Building Area	7,136 sqft Adjusted Area
Gross Area	7,736 sqft

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1988
Architectural Style	Custom Design
Exterior Material	Brick Veneer
Construction Type	Wood
Lot Area	6,600 sqft (0.152 acres)
View / Lot	Water View
Garage Type	Open

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Floor/Wall Furnace
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	290220056508
Street Address	100 E BOSTON ST
City	SEATTLE
State	WA
Zip	98102-3576
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	LR3 (M)
Legal Description	GREENES ADD PLAT BLOCK: 8 PLAT LOT: 16
Legal Range	04
Legal Township	25
Legal Section	20
Legal Subdivision	GREENES ADD
Legal Block	8
Legal Lot Number	16
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2004
Census Tract	6600

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 Record	Company Name on Record
Mailing Address	7523 43RD AVE NE, SEATTLE, WA 98115-5107
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 17, 2019 · Amount on Record
Deed Sale	Oct 17, 2019 · Amount on Record
Prior Sale	Nov 18, 2009 · Amount on Record
Deed Document Number	2019253
Prior Transfer Date	Dec 1, 1992
Prior Transfer Doc	0012310927
Record Updated	Oct 29, 2026

October 2019: Warranty Deed, Construction Loan

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Oct 17, 2019
Property Address	100 E BOSTON ST, SEATTLE, WA 98102-3576
Document Number	0000000253
Map Reference	VOL 2 PG 73
Instrument Date	Oct 15, 2019
Instrument	20191017000253
Transaction Type	Construction Loan
Record Updated	Sep 15, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$57,712.60
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7523 43RD AVE NE, SEATTLE, WA 98115-5107

Mortgage

Document Number	0000000254
Date	Oct 17, 2019
Instrument	20191017000254

Lender

Name	HUNT MORTGAGE PARTNERS LLC
Type	Non-Lending Institution

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Nov 1, 2039

Tax Assessment & Valuation

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	$31,007.00 (+15.19%)
2025	$26,917.00	$2,999,000 (+7.34%) Land $1,815,000 Building $1,184,000	$2,999,000 (+7.34%) Land $1,815,000 Building $1,184,000
2024	$26,917.00 (-5.37%)	$2,794,000 (-17.17%) Land $1,947,000 Building $847,000	$2,794,000 (-17.17%) Land $1,947,000 Building $847,000
2022	$28,445.00	$3,373,000 Land $1,650,000 Building $1,723,000	$3,373,000 Land $1,650,000 Building $1,723,000

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	4 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

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

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Verizon Fixed Wireless	1,000 / 75

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

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