8530 20th Ave NW, Seattle, WA 98117 Property Records

King County property record for 8530 20th Ave NW, Seattle, WA 98117

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 3,200 sqft · built 1996
Lot Size	0.122 acres (5,318 sqft)
Owner	Individual Name on File
Last Sale	$1,606,300 (Aug 2023)
Tax Bill	$14,273 (2026)
Deeds & Mortgages	Aug 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`330070-1512`

Property Details

APN / Parcel Number

Primary APN	`330070-1512`
Alternative APN	`330070151205`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	3,200 sqft Living Area
Gross Area	3,700 sqft
1st Floor Area	1,070 sqft
2nd Floor Area	1,210 sqft
Basement Area	920 sqft
Finished Basement	920 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1996
Effective Year Built	Effective 1996
Lot Area	5,318 sqft (0.122 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	500 sqft
Parking Spaces	2 Parking Spaces
Deck Area	45 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	330070151205
Street Address	8530 20TH AVE NW
City	SEATTLE
State	WA
Zip	98117-3524
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR3
Legal Description	HIGHLAND VIEW ADD TGW PER VAC ST ADJ PLAT BLOCK: 10 PLAT LOT: 8
Legal Range	03
Legal Township	26
Legal Section	35
Legal Subdivision	HIGHLAND VIEW ADD
Legal Block	10
Legal Lot Number	8
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3005
Census Tract	1600

Owner

8530 20th Ave NW is owned and occupied by an individual who bought it in August 2023.

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

Owner of Record	Individual Name on File
Mailing Address	8530 20TH AVE NW, SEATTLE, WA 98117-3524
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 31, 2023 · Amount on File
Deed Sale	Aug 31, 2023 · Amount on File
Prior Sale	Oct 18, 1996 · Amount on File
Deed Document Number	2023502
Prior Transfer Date	Apr 10, 1996
Prior Transfer Doc	0000000594
Record Updated	Oct 29, 2026

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Aug 31, 2023
Property Address	8530 20TH AVE NW, SEATTLE, WA 98117-3524
Document Number	0000000502
Map Reference	VOL 18 PG 22
Instrument Date	Aug 30, 2023
Instrument	20230831000502
Transaction Type	Transfer
Record Updated	Oct 27, 2023
Title Company	CW TITLE

Transaction

Amount	Amount on Record
Tax	$28,847.25
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8530 20TH AVE NW, SEATTLE, WA 98117-3524

Tax Assessment & Valuation

The 2026 property tax bill for 8530 20th Ave NW was $14,273, up 11.3% from the year before.

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	$14,273.00 (+11.26%)
2025	$12,828.00	$1,367,000 (+3.56%) Land $661,000 Building $706,000	$1,367,000 (+3.56%) Land $661,000 Building $706,000
2024	$12,828.00 (+14.68%)	$1,320,000 Land $607,000 Building $713,000	$1,320,000 Land $607,000 Building $713,000
2023	$11,186.00
2022	$11,186.00	$1,293,000 Land $513,000 Building $780,000	$1,293,000 Land $513,000 Building $780,000

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

Flood

FEMA maps place 8530 20th Ave NW in Zone X, an area of minimal flood risk.

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

The area around 8530 20th Ave NW 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 898 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
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20