4012 Wallingford Ave N, Seattle, WA 98103 Property Records

King County property record for 4012 Wallingford Ave N, Seattle, WA 98103

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 970 sqft · built 1916
Lot Size	0.079 acres (3,420 sqft)
Owner	Individual Name on File
Last Sale	$146,000 (Jul 1997)
Tax Bill	$8,457 (2026)
Deeds & Mortgages	Dec 2021 Mortgage Jan 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`408330-2110`

Property Details

APN / Parcel Number

Primary APN	`408330-2110`
Alternative APN	`408330211009`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Stories	1 Story
Building Area	970 sqft Living Area
Gross Area	1,940 sqft
1st Floor Area	970 sqft
Basement Area	970 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Elevator	Elevator

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1916
Lot Area	3,420 sqft (0.079 acres)
Porch	Open Porch
Porch Area	190 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	408330211009
Street Address	4012 WALLINGFORD AVE N
City	SEATTLE
State	WA
Zip	98103-8219
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR3
Legal Description	LAKE UNION ADD S 1/2 PLAT BLOCK: 22 PLAT LOT: 9
Legal Range	04
Legal Township	25
Legal Section	18
Legal Subdivision	LAKE UNION ADD
Legal Block	22
Legal Lot Number	9
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2021
Census Tract	5100

Owner

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

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

Owner of Record	Individual Name on File
Mailing Address	4012 WALLINGFORD AVE N, SEATTLE, WA 98103-8219
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage BOEING EMPLOYEES CU
Jan 25, 2017	Deed of Trust, Mortgage · Line of Credit BOEING EMPS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 2, 1997 · Amount on File
Deed Sale	Jul 2, 1997 · Amount on File
Deed Document Number	1997139
Record Updated	Sep 20, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	4012 WALLINGFORD AVE N, SEATTLE, WA 98103-8219
Transaction Type	Mortgage
Record Updated	Jan 7, 2022
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000145
Date	Dec 28, 2021
Instrument	20211228000145

Lender

Name	BOEING EMPLOYEES CU
Type	Credit Union
Address	SEATTLE, WA 98168

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Jan 1, 2037

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	4012 WALLINGFORD AVE N, SEATTLE, WA 98103-8219
Document Number	0000000478
Instrument Date	Jan 25, 2017
Transaction Type	Mortgage
Record Updated	Feb 9, 2017
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4012 WALLINGFORD AVE N SEATTLE WA 981038219, SEATTLE, WA 98103-8219

Mortgage

Document Number	0000000478
Date	Feb 2, 2017
Instrument	201702020478

Lender

Name	BOEING EMPS CU
Type	Credit Union
Address	SEATTLE, WA 98124-9750

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Feb 1, 2042

Interest

Rate Type	Adjustable Rate

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
2026	$8,457.00 (+13.75%)
2025		$804,000 (+6.07%) Land $560,000 Building $244,000	$804,000 (+6.07%) Land $560,000 Building $244,000
2024	$7,435.00 (+4.66%)	$758,000 (-6.65%) Land $519,000 Building $239,000	$758,000 (-6.65%) Land $519,000 Building $239,000
2022	$7,104.00	$812,000 Land $463,000 Building $349,000	$812,000 Land $463,000 Building $349,000

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

Flood

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 Policies	1 in force

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

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 1,090 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband.

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