855 20th Ave S, Seattle, WA 98144 Property Records

King County property record for 855 20th Ave S, Seattle, WA 98144

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.25 ba · 2,390 sqft · built 1912
Lot Size	0.092 acres (4,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,332,000 (Mar 2025)
Tax Bill	$12,116 (2026)
Deeds & Mortgages	Aug 2026 Mortgage Dec 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`712830-0090`

Property Details

APN / Parcel Number

Primary APN	`712830-0090`
Alternative APN	`712830009007`

Interior

Bedrooms	4 Beds
Full Baths	5.25 Baths
Half Baths	3 Half Baths
Stories	2 Stories
Building Area	2,390 sqft Living Area
1st Floor Area	790 sqft
2nd Floor Area	800 sqft
Upper Floors Area	500 sqft
Basement Area	800 sqft
Finished Basement	800 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1912
Effective Year Built	Effective 1912
Lot Area	4,000 sqft (0.092 acres)
Garage Type	Detached
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	40 sqft
Deck Area	170 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	712830009007
Street Address	855 20TH AVE S
City	SEATTLE
State	WA
Zip	98144-2919
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RSL (M)
Legal Description	RAINIER ADD TO SEATTLE S 20 FT OF 17 & N 20 FT OF 18
Legal Range	04
Legal Township	24
Legal Section	04
Legal Subdivision	RAINIER ADD TO SEATTLE
Legal Block	1
Legal Lot Number	17-18
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	4
Census Block	4000
Census Tract	9400

Owner

Source: King County records, as of August 24, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	855 20TH AVE S, SEATTLE, WA 98144-2919
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Date	Document
Aug 14, 2026	Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY BANK
Dec 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage BOEING EMPLOYEES CU
Dec 18, 2019	Deed of Trust, Mortgage · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP
Jun 14, 2017	Deed of Trust, Mortgage · Line of Credit BOEING EMPS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 10, 2025 · Amount on Record
Deed Sale	Mar 10, 2025 · Amount on Record
Prior Sale	Sep 14, 2011 · Amount on Record
Deed Document Number	2025821
Prior Transfer Date	Mar 16, 2015
Prior Transfer Doc	0000000424
Record Updated	Oct 29, 2026

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Recording Date	Aug 14, 2026
Property Address	855 20TH AVE S, SEATTLE, WA 98144-2919
Document Number	0000000387
Instrument Date	Aug 10, 2026
Instrument	2026387
Transaction Type	Mortgage
Record Updated	Aug 24, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	855 20TH AVE S, SEATTLE, WA 98144-2919

Mortgage

Document Number	0000000387,
Date	Aug 14, 2026
Instrument	2026387

Lender

Name	MORGAN STANLEY BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.5%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	855 20TH AVE S, SEATTLE, WA 98144-2919
Transaction Type	Mortgage
Record Updated	Dec 23, 2021
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001564
Date	Dec 13, 2021
Instrument	20211213001564

Lender

Name	BOEING EMPLOYEES CU
Type	Credit Union
Address	SEATTLE, WA 98168

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	145 Months
Due	Jan 1, 2034

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	855 20TH AVE S, SEATTLE, WA 98144-2919
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	RAINIER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000926
Date	Dec 18, 2019
Instrument	20191218000926

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORP
Type	Mortgage Company
Address	CARROLLTON, TX 75007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Jan 1, 2035

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	855 20TH AVE S, SEATTLE, WA 98144-2919
Document Number	0000001287
Instrument Date	Jun 14, 2017
Transaction Type	Mortgage
Record Updated	Jul 12, 2017
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	855 20TH AVE S SEATTLE WA 981442919, SEATTLE, WA 98144-2919

Mortgage

Document Number	0000001287
Date	Jul 6, 2017
Instrument	201707061287

Lender

Name	BOEING EMPS CU
Type	Credit Union
Address	SEATTLE, WA 98124-9750

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Jul 5, 2042

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	$12,116.00 (+15.26%)
2025	$10,512.00	$1,160,000 (+7.51%) Land $439,000 Building $721,000	$1,160,000 (+7.51%) Land $439,000 Building $721,000
2024	$10,512.00 (+12.68%)	$1,079,000 (-0.64%) Land $431,000 Building $648,000	$1,079,000 (-0.64%) Land $431,000 Building $648,000
2022	$9,329.00	$1,086,000 Land $372,000 Building $714,000	$1,086,000 Land $372,000 Building $714,000

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	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

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

Provider	Max 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

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

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