3410 Cascadia Ave S, Seattle, WA 98144 Property Records

King County property record for 3410 Cascadia Ave S, Seattle, WA 98144 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 4,500 sqft · built 1918
Lot Size	0.257 acres (11,214 sqft)
Owner	2 Individual Names on File
Last Sale	$1,850,000 (Oct 2013)
Tax Bill	$34,648 (2026)
Deeds & Mortgages	Jan 2022 Mortgage Dec 2020 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`570000-3890`

Property Details

APN / Parcel Number

Primary APN	`570000-3890`
Alternative APN	`570000389009`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	4,500 sqft Living Area
1st Floor Area	1,500 sqft
2nd Floor Area	1,500 sqft
Basement Area	1,500 sqft
Finished Basement	1,500 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1918
Effective Year Built	Effective 1918
Lot Area	11,214 sqft (0.257 acres)
View / Lot	Water View
Garage Type	Detached
Garage Area	570 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Area	400 sqft
Porch	Open Porch
Porch Area	70 sqft
Deck Area	290 sqft

Utilities, Heating & Cooling

Heating System	Radiant
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	570000389009
Street Address	3410 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 2 & NLY 30 FT OF 3
Legal Range	04
Legal Township	24
Legal Section	15
Legal Subdivision	MOUNT BAKER PARK ADD
Legal Block	60
Legal Lot Number	2-3
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2003
Census Tract	10102

Owner

Source: King County records · APN 570000-3890

Assessment roll updated July 7, 2026 · Last verified August 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	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 11, 2022	Deed of Trust, Mortgage · Conventional Mortgage KEY BANK NA
Dec 11, 2020	Deed of Trust, Mortgage · Line of Credit KEY BANK NA
Aug 12, 2017	Deed of Trust, Mortgage · Line of Credit KEYBANK USA
Aug 12, 2017	Deed of Trust, Mortgage · Line of Credit KEYBANK USA

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 01, 2013 · Amount on Record
Deed Sale	Oct 01, 2013 · Amount on Record
Prior Sale	Dec 12, 1991 · Amount on Record
Deed Document Number	20131074
Record Updated	Sep 20, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 16, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000179
Date	Jan 11, 2022
Instrument	20220111000179

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44114

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 01, 2052

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Jan 01, 2032
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.75%
Index	Other
Margin	3
Max Rate	7.75%

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	SOLIDIFI

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214

Mortgage

Document Number	0000000351
Date	Dec 11, 2020
Instrument	20201211000351

Lender

Name	KEY BANK NA
Type	Bank
Address	CLEVELAND, OH 44144

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 01, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214
Document Number	0000001218
Instrument Date	Aug 12, 2017
Transaction Type	Mortgage
Record Updated	Nov 20, 2018
Title Company	ACCURATE TITLE GROUP, ACCURATE TITLE GRP

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3410 CASCADIA AVE S SEATTLE WA 981447214, SEATTLE, WA 98144-7214

Mortgage

Document Number	0000001218
Date	Sep 11, 2017
Instrument	201709111218

Lender

Name	KEYBANK USA
Type	Bank
Address	BROOKLYN, OH 44144

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 10, 2047

Interest

Rate Type	Adjustable Rate

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3410 CASCADIA AVE S, SEATTLE, WA 98144-7214
Document Number	0000001217
Instrument Date	Aug 12, 2017
Transaction Type	Mortgage
Record Updated	Sep 15, 2017
Title Company	ACCURATE TITLE GROUP, ACCURATE TITLE GRP

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3410 CASCADIA AVE S SEATTLE WA 981447214, SEATTLE, WA 98144-7214

Mortgage

Document Number	0000001217
Date	Sep 11, 2017
Instrument	201709111217

Lender

Name	KEYBANK USA
Type	Bank
Address	BROOKLYN, OH 44144

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 10, 2047

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: King County records · Assessment roll updated July 7, 2026 · Last verified August 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	$34,648.00 (+16.91%)
2025		$3,322,000 (+8.85%) Land $1,801,000 Building $1,521,000	$3,322,000 (+8.85%) Land $1,801,000 Building $1,521,000
2024	$29,636.00 (+11.14%)	$3,052,000 (-2.09%) Land $1,801,000 Building $1,251,000	$3,052,000 (-2.09%) Land $1,801,000 Building $1,251,000
2022	$26,665.00	$3,117,000 Land $1,679,000 Building $1,438,000	$3,117,000 Land $1,679,000 Building $1,438,000

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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