3431 Cascadia Ave S, Seattle, WA 98144 Property Records

King County property record for 3431 Cascadia Ave S, Seattle, WA 98144 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,240 sqft · built 1919
Lot Size	0.165 acres (7,200 sqft)
Owner	2 Individual Names on File
Last Sale	$1,175,000 (Feb 2014)
Tax Bill	$23,341 (2026)
Deeds & Mortgages	Nov 2023 Mortgage May 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`570000-3860`

Property Details

APN / Parcel Number

Primary APN	`570000-3860`
Alternative APN	`570000386005`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	3,240 sqft Living Area
Gross Area	3,470 sqft
1st Floor Area	1,120 sqft
2nd Floor Area	1,000 sqft
Basement Area	1,120 sqft
Finished Basement	1,120 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1919
Effective Year Built	Effective 1919
Lot Area	7,200 sqft (0.165 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	230 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	220 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	570000386005
Street Address	3431 CASCADIA AVE S
City	SEATTLE
State	WA
Zip	98144-7213
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MOUNT BAKER PARK ADD PLAT BLOCK: 59 PLAT LOT: 6
Legal Range	04
Legal Township	24
Legal Section	15
Legal Subdivision	MOUNT BAKER PARK ADD
Legal Block	59
Legal Lot Number	6
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3000
Census Tract	10102

Owner

Source: King County records · APN 570000-3860

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	2 Individual Names on File
Mailing Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 16, 2023	Deed of Trust, Mortgage · Closed-End Mortgage KEY BANK NA
May 04, 2021	Deed of Trust, Mortgage · Conventional Mortgage KEY BANK NA
Aug 06, 2018	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
May 22, 2020	Deed of Trust, Mortgage KEYBANK USA

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Feb 03, 2014 · Amount on Record
Deed Sale	Feb 03, 2014 · Amount on Record
Prior Sale	Mar 29, 2013 · Amount on Record
Deed Document Number	20141456
Record Updated	Sep 20, 2026

November 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213
Transaction Type	Mortgage
Record Updated	Dec 07, 2023
Title Company	ACCURATE TITLE GROUP

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213

Mortgage

Document Number	0000000013
Date	Nov 16, 2023
Instrument	20231116000013

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44144

Agreement

Type	Closed-End Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Nov 18, 2038

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213
Transaction Type	Mortgage
Record Updated	May 18, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000402
Date	May 04, 2021
Instrument	20210504000402

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44114

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	359 Months
Due	Apr 01, 2051

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000540
Date	Aug 06, 2018
Instrument	20180806000540

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Aug 26, 2048

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3431 CASCADIA AVE S, SEATTLE, WA 98144-7213
Document Number	0000000718
Instrument Date	May 22, 2020
Transaction Type	Mortgage
Record Updated	Jun 17, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	3431 CASCADIA AVE S SEATTLE WA 981447213, SEATTLE, WA 98144-7213

Mortgage

Document Number	0000000718
Date	Jun 08, 2020
Instrument	202006080718

Lender

Name	KEYBANK USA
Type	Bank
Address	CLEVELAND, OH 44114-1306

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 07, 2050

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	$23,341.00 (+16.71%)
2025		$2,255,000 (+8.83%) Land $1,194,000 Building $1,061,000	$2,255,000 (+8.83%) Land $1,194,000 Building $1,061,000
2024	$19,999.00 (+10.84%)	$2,072,000 (-2.08%) Land $1,194,000 Building $878,000	$2,072,000 (-2.08%) Land $1,194,000 Building $878,000
2022	$18,043.00	$2,116,000 Land $1,113,000 Building $1,003,000	$2,116,000 Land $1,113,000 Building $1,003,000

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
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	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.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Historic District	Within the Mount Baker Park Historic District listed 2018 · 649 contributing resources · NRIS 100002975

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 754 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Lumen Technologies	Fiber	8,000 / 8,000
Xfinity	Cable	2,000 / 2,000
Verizon	Fixed Wireless	300 / 20
AT&T	Fixed Wireless	100 / 20
T-Mobile USA	Fixed Wireless	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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