409 18th Ave E, Seattle, WA 98112 Property Records

King County property record for 409 18th Ave E, Seattle, WA 98112 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,570 sqft · built 1906
Lot Size	0.11 acres (4,800 sqft)
Owner	Individual Name on File
Last Sale	$800,000 (Apr 2010)
Tax Bill	$15,779 (2026)
Flood Zone	Zone X (minimal risk)
APN	`423240-0985`

Property Details

APN / Parcel Number

Primary APN	`423240-0985`
Alternative APN	`423240098503`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	2,570 sqft Living Area
Gross Area	2,730 sqft
1st Floor Area	1,010 sqft
Upper Floors Area	860 sqft
Basement Area	860 sqft
Finished Basement	700 sqft
Unfinished Basement	160 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1906
Lot Area	4,800 sqft (0.11 acres)
Garage Type	Detached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	50 sqft
Deck Area	300 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	423240098503
Street Address	409 18TH AVE E
City	SEATTLE
State	WA
Zip	98112-4611
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LAWS ADD N 5 FT OF 10 & S 35 FT OF 11
Legal Range	04
Legal Township	25
Legal Section	28
Legal Subdivision	LAWS ADD
Legal Block	19
Legal Lot Number	10-11
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3001
Census Tract	7600

Owner

Source: King County records · APN 423240-0985

Assessment roll updated July 7, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	409 18TH AVE E, SEATTLE, WA 98112-4611
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 28, 2010 · Amount on Record
Deed Sale	Apr 28, 2010 · Amount on Record
Prior Sale	Aug 30, 2007 · Amount on Record
Deed Document Number	20101006
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$15,779.00 (+10.56%)
2025		$1,519,000 (+2.84%) Land $896,000 Building $623,000	$1,519,000 (+2.84%) Land $896,000 Building $623,000
2024	$14,272.00 (-2.29%)	$1,477,000 (-14.92%) Land $896,000 Building $581,000	$1,477,000 (-14.92%) Land $896,000 Building $581,000
2022	$14,606.00	$1,736,000 Land $584,000 Building $1,152,000	$1,736,000 Land $584,000 Building $1,152,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.