5821 18th Ave S, Seattle, WA 98108 Property Records

King County property record for 5821 18th Ave S, Seattle, WA 98108

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,980 sqft · built 1956
Lot Size	0.154 acres (6,720 sqft)
Owner	Individual Name on Record
Last Sale	$59,500 (Oct 1987)
Tax Bill	$7,309 (2026)
Deeds & Mortgages	May 2023 Mortgage Mar 2022 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`171490-0180`

Property Details

APN / Parcel Number

Primary APN	`171490-0180`
Alternative APN	`171490018008`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Stories	1 Story
Building Area	1,980 sqft Living Area
Gross Area	2,020 sqft
1st Floor Area	1,010 sqft
Basement Area	1,010 sqft
Finished Basement	970 sqft
Unfinished Basement	40 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Duplex Single
Lot Area	6,720 sqft (0.154 acres)
Garage Type	Detached
Garage Area	460 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	171490018008
Street Address	5821 18TH AVE S
City	SEATTLE
State	WA
Zip	98108-2838
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	NR3
Legal Description	COLVINS ADD TO GEORGETOWN
Legal Range	04
Legal Township	24
Legal Section	21
Legal Subdivision	COLVINS ADD TO GEORGETOWN
Legal Block	2
Legal Lot Number	21-22
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1014
Census Tract	10402

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	Individual Name on Record
Mailing Address	5821 18TH AVE S, SEATTLE, WA 98108-2838
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 24, 2023	Deed of Trust, Mortgage · Conventional Mortgage HOMESTREET BANK
Mar 15, 2022	Deed of Trust, Mortgage · Line of Credit VERITY CU
Apr 23, 2018	Deed of Trust, Mortgage · Line of Credit VERITY CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 16, 1987 · Amount on Record
Deed Sale	Oct 16, 1987 · Amount on Record
Deed Document Number	198710190800
Deed Book / Page	13 / 3
Record Updated	Sep 20, 2026

May 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	5821 18TH AVE S, SEATTLE, WA 98108-2838
Transaction Type	Mortgage
Record Updated	Jun 5, 2023
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5821 18TH AVE S, SEATTLE, WA 98108-2838

Mortgage

Document Number	0000000052
Date	May 24, 2023
Instrument	20230524000052

Lender

Name	HOMESTREET BANK
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2053

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	5821 18TH AVE S, SEATTLE, WA 98108-2838
Transaction Type	Mortgage
Record Updated	Mar 28, 2022
Title Company	CW TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5821 18TH AVE S, SEATTLE, WA 98108-2838

Mortgage

Document Number	0000000672
Date	Mar 15, 2022
Instrument	20220315000672

Lender

Name	VERITY CU
Type	Credit Union
Address	SEATTLE, WA 98133

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Mar 15, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	5821 18TH AVE S, SEATTLE, WA 98108-2838
Document Number	0000000819
Instrument Date	Apr 23, 2018
Transaction Type	Mortgage
Record Updated	May 4, 2018
Title Company	CW TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	5821 18TH AVE S SEATTLE WA 981082838, SEATTLE, WA 98108-2838

Mortgage

Document Number	0000000819
Date	Apr 27, 2018
Instrument	201804270819

Lender

Name	VERITY CU
Type	Credit Union
Address	SEATTLE, WA 98133

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Apr 26, 2043

Interest

Rate Type	Adjustable Rate

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	$7,309.00 (+10.69%)
2025		$637,000 (+3.58%) Land $444,000 Building $193,000	$637,000 (+3.58%) Land $444,000 Building $193,000
2024	$6,603.00 (+15.74%)	$615,000 (-0.49%) Land $444,000 Building $171,000	$615,000 (-0.49%) Land $444,000 Building $171,000
2022	$5,705.00	$618,000 Land $340,000 Building $278,000	$618,000 Land $340,000 Building $278,000

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 779 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Astound Broadband Cable	1,500 / 50
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, T-Mobile, Xfinity.

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