520 N 138th St, Seattle, WA 98133 Property Records

King County property record for 520 N 138th St, Seattle, WA 98133

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,700 sqft · built 1923
Lot Size	0.146 acres (6,342 sqft)
Owner	Individual Name on Record
Last Sale	$855,000 (Oct 2024)
Tax Bill	$9,375 (2026)
Deeds & Mortgages	Jun 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`016400-0181`

Property Details

APN / Parcel Number

Primary APN	`016400-0181`
Alternative APN	`016400018103`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,700 sqft Living Area
1st Floor Area	1,700 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1923
Effective Year Built	Effective 1923
Lot Area	6,342 sqft (0.146 acres)

Exterior Amenities

Porch	Open Porch
Porch Area	110 sqft
Deck Area	110 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	016400018103
Street Address	520 N 138TH ST
City	SEATTLE
State	WA
Zip	98133-7421
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR2
Legal Description	ALLENDALE ADD S 150 FT OF FOLG-W 5 FT OF 10 & E 37.5 FT OF 11
Legal Range	04
Legal Township	26
Legal Section	19
Legal Subdivision	ALLENDALE ADD
Legal Block	3
Legal Lot Number	10-11
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2000
Census Tract	404

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	520 N 138TH ST, SEATTLE, WA 98133-7421
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Surviving Spouse

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 17, 2024 · Amount on Record
Deed Sale	Oct 17, 2024 · Amount on Record
Prior Sale	Oct 9, 2015 · Amount on Record
Deed Document Number	2024865
Prior Transfer Date	Feb 14, 1995
Prior Transfer Doc	0000000561
Record Updated	Oct 29, 2026

June 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	520 N 138TH ST, SEATTLE, WA 98133-7421
Document Number	0000000542
Instrument Date	Jun 22, 2018
Transaction Type	Mortgage
Record Updated	Jul 26, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	520 N 138TH ST SEATTLE WA 981337421, SEATTLE, WA 98133-7421

Mortgage

Document Number	0000000542
Date	Jul 16, 2018
Instrument	201807160542

Lender

Name	KEYBANK USA
Type	Bank
Address	BROOKLYN, OH 44144

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jul 15, 2048

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	$9,375.00 (+10.32%)
2025	$8,498.00	$863,000 (+2.86%) Land $434,000 Building $429,000	$863,000 (+2.86%) Land $434,000 Building $429,000
2024	$8,498.00 (+27.69%)	$839,000 (+14.15%) Land $422,000 Building $417,000	$839,000 (+14.15%) Land $422,000 Building $417,000
2022	$6,655.00	$735,000 Land $395,000 Building $340,000	$735,000 Land $395,000 Building $340,000

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 546 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
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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