3441 Cascadia Ave S, Seattle, WA 98144 Property Records

King County property record for 3441 Cascadia Ave S, Seattle, WA 98144 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 4,360 sqft · built 1929
Lot Size	0.331 acres (14,400 sqft)
Owner	Company Name on File
Last Sale	$3,775,000 (Jun 2023)
Tax Bill	$36,633 (2026)
Deeds & Mortgages	Jun 2023 Sale Jun 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`570000-3870`

Property Details

APN / Parcel Number

Primary APN	`570000-3870`
Alternative APN	`570000387003`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	4,360 sqft Living Area
Gross Area	4,840 sqft
1st Floor Area	1,820 sqft
2nd Floor Area	1,270 sqft
Basement Area	1,270 sqft
Finished Basement	1,270 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Elevator	Elevator

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Exterior Material	Brick
Lot Area	14,400 sqft (0.331 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	60 sqft
Deck Area	270 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	570000387003
Street Address	3441 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
Legal Range	04
Legal Township	24
Legal Section	15
Legal Subdivision	MOUNT BAKER PARK ADD
Legal Block	59
Legal Lot Number	8-9
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3000
Census Tract	10102

Owner

Source: King County records · APN 570000-3870

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	Company Name on File
Mailing Address	3441 CASCADIA AVE S, SEATTLE, WA 98144-7213
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Jun 15, 2023	Warranty Deed, Transfer E-CHICAGO TITLE, CHICAGO TITLE
Jun 26, 2019	Deed of Trust, Mortgage · ARM UMPQUA BANK

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 15, 2023 · Amount on Record
Deed Sale	Jun 15, 2023 · Amount on Record
Prior Sale	Jul 03, 2014 · Amount on Record
Deed Document Number	2023259
Record Updated	Sep 20, 2026

June 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Jun 15, 2023
Property Address	3441 CASCADIA AVE S, SEATTLE, WA 98144-7213
Document Number	0000000259
Map Reference	VOL 16 PG 3
Instrument Date	Jun 09, 2023
Instrument	20230615000259
Transaction Type	Transfer
Record Updated	Jun 26, 2023
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3441 CASCADIA AVE S, SEATTLE, WA 98144-7213

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3441 CASCADIA AVE S, SEATTLE, WA 98144-7213
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	CW TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000663
Date	Jun 26, 2019
Instrument	20190626000663

Lender

Name	UMPQUA BANK
Type	Bank
Address	MOUNTLAKE TERRACE, WA 98043

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jul 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Jul 01, 2024
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	5%
Index	1-Year LIBOR
Max Rate	8%

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	$36,633.00 (+16.67%)
2025		$3,554,000 (+8.85%) Land $1,732,000 Building $1,822,000	$3,554,000 (+8.85%) Land $1,732,000 Building $1,822,000
2024	$31,398.00 (+10.94%)	$3,265,000 (-2.07%) Land $1,732,000 Building $1,533,000	$3,265,000 (-2.07%) Land $1,732,000 Building $1,533,000
2023	$28,301.00
2022	$28,301.00	$3,334,000 Land $1,615,000 Building $1,719,000	$3,334,000 Land $1,615,000 Building $1,719,000

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 168 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 2,000
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: T-Mobile USA, Verizon, Lumen Technologies, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on Cascadia Ave S

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures