509 20th Ave E, Seattle, WA 98112 Property Records

King County property record for 509 20th Ave E, Seattle, WA 98112 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3.5 Baths
Year Built	Built 2006
Square Footage	2,050 sqft Living Area
Lot Size	2,020 sqft (0.046 acres)
Occupancy	Owner Occupied
Last Sale	$1,200,000 (2020)
Tax Bill	$12,975.00 (2026)

Owner

Source: King County records · APN 440020-0057

Assessment roll updated July 7, 2026 · Last verified July 2026

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

Owner of Record	2 Individual Names on File
Mailing Address	509 20TH AVE E, SEATTLE, WA 98112-4011
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 22, 2020 · Amount on Record
Deed Sale	Oct 22, 2020 · Amount on Record
Prior Sale	Feb 25, 2015 · Amount on Record
Deed Doc Number	20201678
Record Refreshed	Sep 20, 2026

October 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Oct 22, 2020
Property Address	509 20TH AVE E, SEATTLE, WA 98112-4011
Document Number	0000001678
Map Reference	DOC 20060125900001
Instrument Date	Oct 18, 2020
Instrument	20201022001678
Transaction Type	Transfer
Record Updated	Jul 30, 2021
Title Company	OLD REPUBLIC TITLE LTD

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$20,465.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 20TH AVE E, SEATTLE, WA 98112-4011

Mortgage

Document Number	0000001679
Date	Oct 22, 2020
Instrument	20201022001679

Lender

Name	UMPQUA BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2050

Tax Assessment & Valuation

Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$12,975.00 (+5.81%)
2025		$1,260,000 (-1.79%) Land $709,000 Building $551,000	$1,260,000 (-1.79%) Land $709,000 Building $551,000
2024	$12,262.00 (+9.5%)	$1,283,000 (-3.75%) Land $709,000 Building $574,000	$1,283,000 (-3.75%) Land $709,000 Building $574,000
2022	$11,198.00	$1,333,000 Land $441,000 Building $892,000	$1,333,000 Land $441,000 Building $892,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`440020-0057`
Alternative APN	`440020005706`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Partial Baths	1 Partial Baths
Building Area	2,050 sqft Living Area
Gross Area	2,260 sqft Gross Area
1st Floor	760 sqft 1st Floor
2nd Floor	760 sqft 2nd Floor
Basement Area	530 sqft Basement
Finished Basement	530 sqft Finished
Stories	2 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2006
Lot Area	2,020 sqft (0.046 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	210 sqft Garage
Deck Area	70 sqft Deck
Porch	Open Porch
Porch Area	40 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating
Heating Fuel	Electric Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Account Number	440020005706
Street Address	509 20TH AVE E
City	SEATTLE
State	WA
Zip	98112-4011
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LONGFELLOW ADD LOT B SEATTLE SP #3003066 REC #20060125900001 SD SP DAF LOT 11 SD ADD LESS POR DEEDED TO CITY OF SEATTLE FOR STREET/ALLEY UNDER REC #20050802001607
Legal Range	04
Legal Township	25
Legal Section	28
Legal Subdivision	LONGFELLOW ADD
Legal Lot Number	11
Jurisdiction	KING WA
Minor Civil Division	SEATTLE
Census Blockgroup	1
Census Block	1012
Census Tract	7600