3310 Cascadia Ave S, Seattle, WA 98144 Property Records

King County property record for 3310 Cascadia Ave S, Seattle, WA 98144

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 3,460 sqft · built 1915
Lot Size	0.171 acres (7,464 sqft)
Owner	Company Name on File
Last Sale	$2,425,000 (Nov 2022)
Tax Bill	$948 (2024)
Deeds & Mortgages	Nov 2022 Sale Feb 2022 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`570000-3950`

Property Details

APN / Parcel Number

Primary APN	`570000-3950`
Alternative APN	`570000395006`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	3,460 sqft Living Area
Gross Area	3,640 sqft
1st Floor Area	1,200 sqft
2nd Floor Area	1,130 sqft
Basement Area	1,130 sqft
Finished Basement	1,130 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1915
Lot Area	7,464 sqft (0.171 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	180 sqft
Porch	Open Porch
Porch Area	510 sqft
Deck Area	440 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	570000395006
Street Address	3310 CASCADIA AVE S
City	SEATTLE
State	WA
Zip	98144-7026
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR2
Legal Description	MOUNT BAKER PARK ADD PLAT BLOCK: 61 PLAT LOT: 2
Legal Range	04
Legal Township	24
Legal Section	15
Legal Subdivision	MOUNT BAKER PARK ADD
Legal Block	61
Legal Lot Number	2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3053
Census Tract	9500

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 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.

Owner

3310 Cascadia Ave S is owned by a company that bought it in November 2022.

Source: King County records, as of July 7, 2026

Owner of Record	Company Name on File
Mailing Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026
Owner Type	Company
Vesting	Limited Liability Partnership

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Nov 2, 2022	Warranty Deed, Transfer CW TITLE
Feb 4, 2022	Deed of Trust, Mortgage · Line of Credit NORTHROP GRUMMAN FCU
Dec 4, 2018	Deed of Trust, Mortgage · Line of Credit TCF NATIONAL BANK
Mar 22, 2019	Warranty Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 2, 2022 · Amount on File
Deed Sale	Nov 2, 2022 · Amount on File
Prior Sale	Mar 22, 2019 · Amount on File
Deed Document Number	2022159
Record Updated	Oct 29, 2026

November 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Nov 2, 2022
Property Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026
Document Number	0000000159
Map Reference	VOL 16 PG 3
Instrument Date	Oct 31, 2022
Instrument	20221102000159
Transaction Type	Transfer
Record Updated	Nov 14, 2022
Title Company	CW TITLE

Transaction

Amount	Amount on Record
Tax	$55,867.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026
Transaction Type	Mortgage
Record Updated	Feb 16, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000098
Date	Feb 4, 2022
Instrument	20220204000098

Lender

Name	NORTHROP GRUMMAN FCU
Type	Credit Union
Address	GARDENA, CA 90248

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	180 Months
Due	Feb 3, 2037

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE INSURAN

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000375
Date	Dec 4, 2018
Instrument	20181204000375

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Dec 23, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Mar 22, 2019
Property Address	3310 CASCADIA AVE S, SEATTLE, WA 98144-7026
Document Number	0000000301
Instrument Date	Mar 6, 2019
Instrument	201903220301
Transaction Type	Transfer
Record Updated	Apr 2, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$18,150.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3310 CASCADIA AVE S SEATTLE WA 981447026, SEATTLE, WA 98144-7026

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
2025		$2,550,000 (+8.83%) Land $1,247,000 Building $1,303,000	$2,550,000 (+8.83%) Land $1,247,000 Building $1,303,000
2024	$948.00 Additional exemption filed	$2,343,000 Land $1,247,000 Building $1,096,000	$2,343,000 Land $1,247,000 Building $1,096,000
2022	$20,283.00	$2,392,000 Land $1,163,000 Building $1,229,000	$2,392,000 Land $1,163,000 Building $1,229,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 3310 Cascadia Ave S in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1995.

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 Claims	4 (1995–2016)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Jan 2016 · rainfall accumulation

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

The area around 3310 Cascadia Ave S has no burnable land within ember reach, so its wildfire risk is not rated.

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

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000

May also be available: AT&T, CenturyLink, T-Mobile, Verizon.

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