3448 Cascadia Ave S, Seattle, WA 98144 Property Records

King County property record for 3448 Cascadia Ave S, Seattle, WA 98144 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.25 ba · 3,970 sqft · built 1919
Lot Size	0.164 acres (7,121 sqft)
Owner	Company Name on File
Last Sale	$2,485,000 (May 2020)
Tax Bill	$27,839 (2026)
Deeds & Mortgages	Aug 2017 Line of Credit Sep 2018 Line of Credit + 5 more
Flood Zone	Zone X (minimal risk)
APN	`570000-3926`

Property Details

APN / Parcel Number

Primary APN	`570000-3926`
Alternative APN	`570000392607`

Interior

Bedrooms	5 Beds
Full Baths	4.25 Baths
Half Baths	2 Half Baths
Stories	2 Stories
Building Area	3,970 sqft Living Area
Gross Area	4,370 sqft
1st Floor Area	1,330 sqft
2nd Floor Area	1,200 sqft
Basement Area	1,440 sqft
Finished Basement	1,440 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1919
Effective Year Built	Effective 1919
Lot Area	7,121 sqft (0.164 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Area	540 sqft
Porch	Open Porch
Porch Area	150 sqft
Deck Area	240 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	570000392607
Street Address	3448 CASCADIA AVE S
City	SEATTLE
State	WA
Zip	98144-7214
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MOUNT BAKER PARK ADD S 4 FT OF 8 & ALL 9 LESS S 4 FT
Legal Range	04
Legal Township	24
Legal Section	15
Legal Subdivision	MOUNT BAKER PARK ADD
Legal Block	60
Legal Lot Number	8-9
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2003
Census Tract	10102

Owner

Source: King County records · APN 570000-3926

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	426 LOCUST ST, SAUSALITO, CA 94965-1936
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Aug 07, 2017	Deed of Trust, Mortgage · Line of Credit HOMESTREET BANK
Sep 24, 2018	Deed of Trust, Mortgage · Line of Credit WASHINGTON FEDERAL NA
Dec 18, 2019	Deed of Trust, Mortgage · Line of Credit UMPQUA BANK
Jun 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
May 06, 2020	Warranty Deed, Transfer CW TITLE
Feb 06, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Oct 24, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	May 06, 2020 · Amount on Record
Deed Sale	May 06, 2020 · Amount on Record
Prior Sale	Feb 26, 2010 · Amount on Record
Deed Document Number	2020923
Prior Transfer Date	Jan 24, 2018
Prior Transfer Doc	0000000890
Record Updated	Sep 20, 2026

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	WFG NATL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000738
Date	Aug 07, 2017
Instrument	20170807000738

Lender

Name	HOMESTREET BANK
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Aug 15, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001033
Date	Sep 24, 2018
Instrument	20180924001033

Lender

Name	WASHINGTON FEDERAL NA
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000342
Date	Dec 18, 2019
Instrument	20191218000342

Lender

Name	UMPQUA BANK
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001631
Date	Jun 29, 2020
Instrument	20200629001631

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 01, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.65%
Type Change Date	Jul 01, 2027
Change Frequency	Annually
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	1-Year CMT
Max Rate	10.9%

May 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	May 06, 2020
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Document Number	0000000923
Instrument Date	May 01, 2020
Instrument	202005060923
Transaction Type	Transfer
Record Updated	May 18, 2020
Title Company	CW TITLE

Transaction

Amount	Amount Recorded
Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	426 LOCUST ST SAUSALITO CA 949651936, SAUSALITO, CA 94965-1936

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	Feb 06, 2018
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Document Number	0000000890
Instrument Date	Jan 24, 2018
Instrument	201802060890
Transaction Type	Transfer
Record Updated	Feb 13, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust

October 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	Oct 24, 2017
Property Address	3448 CASCADIA AVE S, SEATTLE, WA 98144-7214
Document Number	0000001038
Instrument Date	Oct 12, 2017
Instrument	201710241038
Transaction Type	Transfer
Record Updated	Oct 30, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3448 CASCADIA AVE S SEATTLE WA 981447214, SEATTLE, WA 98144-7214

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	$27,839.00 (+16.81%)
2025	$23,833.00	$2,709,000 (+8.84%) Land $1,247,000 Building $1,462,000	$2,709,000 (+8.84%) Land $1,247,000 Building $1,462,000
2024	$23,833.00 (+10.89%)	$2,489,000 (-2.05%) Land $1,247,000 Building $1,242,000	$2,489,000 (-2.05%) Land $1,247,000 Building $1,242,000
2022	$21,493.00	$2,541,000 Land $1,163,000 Building $1,378,000	$2,541,000 Land $1,163,000 Building $1,378,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 530330101022, refreshed September 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
Nearby Flood Policies	1 in force

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; flood claims are located to the census block group, not this parcel; 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

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