507 30th Ave S, Seattle, WA 98144 Property Records

King County property record for 507 30th Ave S, Seattle, WA 98144

Property Summary

Property Type	Duplex
Details	7 bd · 3 ba · 3,110 sqft · built 1909
Lot Size	0.103 acres (4,480 sqft)
Owner	Individual Name on Record
Tax Bill	$4,938 (2026)
Deeds & Mortgages	Jun 2022 Transfer Feb 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`955220-0010`

Property Details

APN / Parcel Number

Primary APN	`955220-0010`
Alternative APN	`955220001007`

Interior

Bedrooms	7 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	3,110 sqft Living Area
Gross Area	3,480 sqft
1st Floor Area	1,070 sqft
2nd Floor Area	940 sqft
Upper Floors Area	400 sqft
Basement Area	1,070 sqft
Finished Basement	700 sqft
Unfinished Basement	370 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1909
Effective Year Built	Effective 1909
Architectural Style	Duplex Single
Lot Area	4,480 sqft (0.103 acres)
Garage Type	Detached
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	150 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	955220001007
Street Address	507 30TH AVE S
City	SEATTLE
State	WA
Zip	98144
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	NR3
Legal Description	WOODS SUPL BLKS 16-17 BURKES 2ND S 10 FT OF 1 & N 30 FT OF 2 LESS ALLEY
Legal Range	04
Legal Township	24
Legal Section	04
Legal Subdivision	WOODS SUPL BLOCKS 16-17 BURKES 2ND
Legal Block	16
Legal Lot Number	1-2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2002
Census Tract	8900

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	507 30TH AVE S, SEATTLE, WA 98144
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Surviving Spouse

Deeds, Mortgages & Sale History

Date	Document
Jun 22, 2022	Intrafamily Transfer, Transfer
Feb 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 4, 1987
Deed Sale	Dec 4, 1987
Deed Document Number	198712160433
Deed Book / Page	2 / 68
Last Transfer Date	Apr 26, 2022
Transfer Doc	0000000349
Record Updated	Sep 20, 2026

June 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	KING WA
Recording Date	Jun 22, 2022
Property Address	507 30TH AVE S, SEATTLE, WA 98144
Document Number	0000000349
Map Reference	VOL 2 PG 68
Instrument Date	Apr 26, 2022
Instrument	20220622000349
Transaction Type	Transfer
Record Updated	Jun 29, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	507 30TH AVE S, SEATTLE, WA 98144
Document Number	0000000473
Instrument Date	Feb 4, 2020
Transaction Type	Mortgage
Record Updated	Feb 28, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	507 30TH AVE S SEATTLE WA 98144, SEATTLE, WA 98144

Mortgage

Document Number	0000000473
Date	Feb 18, 2020
Instrument	202002180473

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 17, 2050

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	$4,938.00 (-56.91%)
2025		$1,286,000 (+8.8%) Land $675,000 Building $611,000	$1,286,000 (+8.8%) Land $675,000 Building $611,000
2024	$11,459.00 (+12.73%)	$1,182,000 (-0.59%) Land $662,000 Building $520,000	$1,182,000 (-0.59%) Land $662,000 Building $520,000
2022	$10,165.00	$1,189,000 Land $571,000 Building $618,000	$1,189,000 Land $571,000 Building $618,000

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	2 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 1,216 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber · DSL in parts of the area	8,000 / 8,000
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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